DIGITAL PC 3500/5510 Service Maintenance Manual DIGITAL PC 3500/5510 Part Number: ER-G2BWW-SM.
April 1998 The information in this document is subject to change without notice and should not be construed as a commitment by Digital Equipment Corporation. Digital Equipment Corporation assumes no responsibility for any errors that might appear in this document. The software described in this document is furnished under a license and may be used or copied only in accordance with the terms of such license.
FCC Notice This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. Any changes or modifications made to this equipment may void the user's authority to operate this equipment.
VCCI Notice This equipment is in the 2nd Class category (information equipment to be used in a residential area or an adjacent area thereto) and conforms to the standards set by the Voluntary Control Council For Interference by Data Processing Equipment and Electronic Office Machines aimed at preventing radio interference in such residential area. When used near a radio or TV receiver, it may become the cause of radio interference. Read the instructions for correct handling.
ADVARSEL: Der er fare for, at et lithiumbatteri eksploderer, hvis det udskiftes ukorrekt. Undgå, at beskadige din computer - HUSK, at + siden skal vende opad, når du installerer et nyt batteri. Du skal udskifte batteriet med enten et DIGITAL (delnummer 12-41474-05), Toshiba (delnummer CR2032), eller tilsvarende 3 V jævnstrøms lithiumbatteri. Afhængig af dit lokalområde, er det muligt, at din computers batteri betragtes som farligt affald. Husk, at følge evt.
Laser Safety Notices All CD-ROM drives included in DIGITAL computers are classified as Class 1 laser products and comply with safety standards as set by U.S. government and applicable European agencies. No hazardous radiation is emitted from this CD-ROM drive; the laser beam is completely enclosed in the CD-ROM subassembly during all customer operation and maintenance.
Contents Preface.............................................................................................................. vii 1 Product Description 1-1 1-3 1-4 1-5 1-6 1-8 1-9 1-10 1-12 1-13 1-13 1-14 1-15 1-16 1-17 DIGITAL PC 3500/5510 Introduction ..................................................................................................... DIGITAL PC 5510 Low Profile Model 1 ............................................................ DIGITAL PC 5510 Short Tower Model 1 ..................
Contents 2 BIOS Setup Utility Running the BIOS Setup Utility ........................................................................ Helpful Hints ............................................................................................. BIOS Setup Utility Options............................................................................... Main ......................................................................................................... Advanced ...........................................
Contents Initial Troubleshooting...................................................................................... Pass/Fail Criteria ............................................................................................. Diagnostics ..................................................................................................... Windows NT Diagnostics .......................................................................... PC Care ...........................................................
Contents Recommended Tools ...................................................................................... Other Materials Needed............................................................................ Special Tools Required............................................................................. Remedial Diagnostic Test Software........................................................... Virus Software Information........................................................................
Contents Removing the Wire Assembly, Headphone/Microphone (Short Tower Computer) ......................................................................... Removing a 3½-Inch Device from Front Bay (Low Profile Computer) ........ Removing a 5¼-Inch Device (Low Profile Computer) ................................ IDE Drive Connections (Low Profile Computer) ......................................... Removing the Internal 3½-Inch Device (Low Profile Computer) .................
Contents 5-11. 5-12. 5-13. 5-14. 5-15. 5-16. 5-17. 5-18. 5-19. 5-20. 5-21. 5-22. 5-23. 5-24. 5-25. 5-26. 5-27. 5-28. 5-29. 5-30. 5-31. 5-32. 5-33. 5-34. 5-35. 5-36. 5-37. 5-38. 5-39. 5-40. 5-41. 5-42. 5-43. 5-44. vi Expansion Board Slots (Short Tower Computer)..................................................... Main Logic Board Switch Settings............................................................................ DIMM Socket Locations.................................................................
P Preface P This Service Maintenance Manual is a troubleshooting guide that can be used for reference when servicing DIGITAL PC 3500/5510 computers. DIGITAL reserves the right to make changes to this Service Maintenance Manual without notice. Accordingly, the illustrations and procedures in this document might not apply to all DIGITAL PC 3500/5510 computers to be serviced since many of the diagnostic tests are designed to test more than one product.
1 Product Description Introduction 1 • Microprocessor Pentium® II processor with MMX Slot 1 configuration and 512 KB level 2 cache. • Memory Up to 384 MB of computer memory using 3 128 MB DIMMs. • Plug and Play Optional Plug and Play compatible expansion boards are automatically configured for easy installation. DIGITAL PC 3500/5510 DIGITAL PC 3500/5510 computers are high-performance personal computers featuring the latest in computing technology.
Product Description 1-2 • PCI local bus The computer’s PCI architecture represents the latest in local bus technology. • Onboard video: − Integrated Matrox 3D graphics controller with 2 MB of SGRAM upgradeable to 6 MB or, a Diamond AGP 4 MB graphics card (upgradeable to 8 MB). − Optional AGP expansion board. • Onboard Ethernet — Single-chip DIGITAL 21143 PCI Ethernet LAN controller (not available on all models). Supports 10Base-T (Twisted-Pair) and 100Base-TX (Fast Ethernet) connections.
Product Description Part Number Description Video HDD RAM Additional Features FR-G2B2A-WB 6233 LP Pentium II Matrox 2D/3D None 32 MB 1.44 Diskette drive, 10/100 Network, Audio, US Model 1 Country Kit, Media Kit FR-G2B2W-WB 6233 LP Pentium II Matrox 2D/3D None 32 MB 1.44 Diskette drive, 10/100 Network, Audio, Model 1 Country Kit required, Media Kit FR-G2B4A-WC 6266 LP Pentium II Matrox 2D/3D None 32 MB 1.
Product Description DIGITAL PC 5510 Short Tower Model 1 Part Number Description Video HDD RAM Additional Features FR-G2B2A-5B 6233 ST Pentium II Matrox 2D/3D None 32 MB 1.44 Diskette drive, 10/100 Network, Audio, US Model 1 Country Kit required, Media Kit FR-G2B2W-5B 6233 ST Pentium II Matrox 2D/3D None 64 MB 1.44 Diskette drive, 10/100 Network, Audio, Model 1 Country Kit required, Media Kit FR-G2B4A-5D 6266 ST Pentium II Matrox 2D/3D None 32 MB 1.
Product Description DIGITAL PC 5510 with 2 GB HDD Description Video HDD RAM Additional Features FR-G2B2A-EB 6233 LP Pentium II Matrox 2D/3D 2 GB (IDE) 32 MB 1.44 Diskette drive, 10/100 Network, Audio, US Country Kit, Windows 95 FR-G2B2A-GB 6233 LP Pentium II Matrox 2D/3D 2 GB (IDE) 32 MB 1.44 Diskette drive, 10/100 Network, Audio, US Country Kit, Windows NT Workstation FR-G2B2W-WG 6233 LP Pentium II Matrox 2D/3D 2 GB (IDE) 32 MB 1.
Product Description DIGITAL PC 5510 Low Profile with 3 GB HDD Part Number Description Video HDD RAM Additional Features FR-G2B2W-WF 6233 LP Pentium II Matrox 2D/3D 3 GB (IDE) 32 MB 1.
Product Description Description Video HDD RAM Additional Features FR-G2B6A-GB 6300 LP Pentium II Matrox 2D/3D 3 GB (IDE) 32 MB 1.44 Diskette drive, 10/100 Network, Audio, US Country Kit, Windows NT Workstation 4.
Product Description DIGITAL PC 5510 Short Tower with 3 GB HDD Part Number Description Video HDD RAM Additional Features FR-G2B2A-TB 6233 ST Pentium II Matrox 2D/3D 3 GB (IDE) 32 MB 1.44 Diskette drive, 10/100 Network, Audio, 24X CD-ROM, US Country Kit, Windows 95 FR-G2B2A-VB 6233 ST Pentium II Matrox 2D/3D 3 GB (IDE) 32 MB 1.44 Diskette drive, 10/100 Network, Audio, 24X CD-ROM, US Country Kit, Windows NT Workstation 4.0 FR-G2B2W-5G 6233 ST Pentium II Matrox 2D/3D 3 GB (IDE) 32 MB 1.
Product Description Part Number Description Video HDD RAM Additional Features FR-G2B4W-WG 6266 LP Pentium II Diamond AGP 4 GB (UDMA) 64 MB 1.44 Diskette drive, 10/100 Network, Audio, 32X CD-ROM, Country Kit Required FR-G2B7W-WE 6333 LP Pentium II Matrox 2D/3D 4 GB (UDMA) 64 MB 1.44 Diskette drive, 10/100 Network, Audio, 32X CD-ROM, Country Kit Required FR-G2B7W-WC 6333 LP Pentium II Diamond AGP 4 GB (UDMA) 64 MB 1.
Product Description DIGITAL PC 5510 Short Tower with 4 GB HDD Part Number Description Video HDD RAM Additional Features FR-G2B2W-5F 6233 ST Pentium II Matrox 2D/3D 4 GB (SCSI) 64 MB 1.44 Diskette drive, 10/100 Network, Audio, 24X CD-ROM, Country Kit Required FR-G2B4W-5F 6266 ST Pentium II Matrox 2D/3D 4 GB (SCSI) 64 MB 1.
Part Number Description Video HDD RAM Additional Features FR-G2B6J-TB 6300 ST Pentium II Matrox 2D/3D 4 GB (IDE) 32 MB Tri-mode diskette drive, 10/100 Network, Audio, 24X CD-ROM, Japanese Country Kit, Windows 95 FR-G2B6J-VB 6300 ST Pentium II Matrox 2D/3D 4 GB (IDE) 32 MB Tri-mode diskette drive, 10/100 Network, Audio, 24X CD-ROM, Japanese Country Kit, Windows NT Workstation 4.0 FR-G2B7W-5F 6333 ST Pentium II Matrox 2D/3D 4 GB (SCSI) 64 MB 1.
Product Description DIGITAL PC 5510 Short Tower with 6.4 GB HDD Part Number Description Video HDD FR-G2B6W-5J 6300 ST Pentium II Diamond AGP 6.4 GB (UDMA) 64 MB 1.44 Diskette drive, 10/100 Network, Audio, 32X CD-ROM, Country Kit Required FR-G2B7W-5D 6333 ST Pentium II Diamond AGP 6.4 GB (UDMA) 64 MB 1.44 Diskette drive, 10/100 Network, Audio, 32X CD-ROM, Country Kit Required FR-G2B7A-TB 6333 ST Pentium II Matrox 2D/3D 6.4 GB (UDMA) 64 MB 1.
Product Description DIGITAL PC 3500 Low Profile Model 1 Part Number Description Video HDD RAM Additional Features FR-F2B2W-WB 6233 LP Pentium II Matrox 2D/3D None 32 MB 1.44 Diskette drive, Model 1 Country Kit required, Media Kit FR-F2B4W-WC 6266 LP Pentium II Matrox 2D/3D None 32 MB 1.44 Diskette drive, Model 1 Country Kit required, Media Kit FR-F2B6W-WD 6300 LP Pentium II Matrox 2D/3D None 32 MB 1.
Product Description DIGITAL PC 3500 with 3 GB HDD Part Number Description Video HDD RAM Additional Features FR-F2B2W-WE 6233 LP Pentium II Matrox 2D/3D 3 GB (UDMA) 32 MB 1.44 Diskette drive, Country Kit required FR-F2B2W-WF 6233 LP Pentium II Matrox 2D/3D 3 GB (UDMA) 32 MB 1.44 Diskette drive, 32X CDROM, Country Kit required FR-F2B2A-EB 6233 LP Pentium II Matrox 2D/3D 3 GB (UDMA) 32 MB 1.
Product Description DIGITAL PC 3500 with 4 GB HDD Description Video HDD RAM Additional Features FR-F2B4W-5E 6266 LP Pentium II Matrox 2D/3D 4 GB (UDMA) 32 MB 1.44 Diskette drive, 32X CDROM, Country Kit required FR-F2B4A-TB 6266 ST Pentium II Matrox 2D/3D 4 GB (UDMA) 32 MB 1.44 Diskette drive, US Country Kit, Windows 95 FR-F2B6A-TB 6300 ST Pentium II Matrox 2D/3D 4 GB (UDMA) 32 MB 1.
Product Description Related Material The following related material is available: Document Title Order Number Description Service Quick Reference ER-G2BWW-SR Provides troubleshooting information that can be used when servicing DIGITAL PC 3500/5510 computers. Quick Setup Guide ER-G2BWW-IM (Multilanguage)* ER-G2BWW-I8 (Multilanguage)✝ Describes how to initially setup DIGITAL PC 3500/5510 computers.
Product Description README files come with the factory installed software and on the supplied System Software CD-ROM. These files contain useful setup, configuration, and operation information. Read this information first. Latest Product Information and Updates You can access product information and download the latest BIOS, device drivers, and software updates using the Internet at: http://www.windows.digital.com 1. To get to the file library, choose Service & Support. 2.
2 BIOS Setup Utility Running the BIOS Setup Utility 2 The BIOS Setup utility enables you to select and store information about the computer’s hardware and software permanently in the battery-backed memory of the CMOS RAM. This information takes effect each time the computer boots and can be changed any time you run setup. DIGITAL PC 3500/5510 Use the BIOS Setup utility if you experience problems with the hard disk or if you need to reconfigure or expand the computer.
BIOS Setup Utility Helpful Hints 2-2 • Several keyboard keys are assigned to help you select menus and submenus, options, change option values, and display help information. These keys are displayed at the bottom of all menus and from the General Help pop-up screen. • Item-specific help is available anytime during the setup process and appears at the right of the setup screen when an option is highlighted. This on-line help provides information about a highlighted option.
BIOS Setup Utility BIOS Setup Utility Options The following Help topics list the BIOS options that can be updated or modified by using the BIOS Setup utility, according to the various sub-menus under which they appear. • Main Menu Options Sets basic computer configuration options (time, date, video, etc.). • Advanced Options Sets advanced features to increase computer performance (COM ports, LPT ports, etc.). • Security Options Sets passwords and user privileges.
BIOS Setup Utility Main Menu Fields Settings Comments System time Current time Displays the current time. System date Current date Displays the current date. Language English* Language default. Diskette drive A/ Diskette drive B 1.44 MB, 3½* 2.88 MB, 3½ Sets the size and density of diskette drives. Main Menu Disabled* 360 KB, 5¼ 1.2 MB, 5¼ 720 KB, 3½ Local Bus IDE adapter Disabled Both* Primary Secondary Enables or disables the local bus IDE adapter.
BIOS Setup Utility Menu Fields Settings Comments IDE Adapter Primary/Secondary Master/Slave (continued) Cylinders(1) 0 to 14848 Displays the number of cylinders. Heads(1) 1 to 64 Displays the number of heads. Sectors/track(1) 0 to 63 Displays the number of sectors/track. Displays the maximum capacity of the drive. Disabled 2 sectors 4 sectors 8 sectors 16 sectors Max Determines the number of sectors per block for multiple sector transfers.
BIOS Setup Utility Menu Fields Settings Comments Boot Options Boot-time Diagnostic Screen Enabled* Disabled Enables or disables the display of POST messages. When enabled, displays the boot-time diagnostic screen. BIOS Update Enabled Disabled* When enabled, allows BIOS update for the next boot. After reboot, this option resets to Disabled. Auto* On Off Turns NumLock on or off each time the computer boots.
BIOS Setup Utility Advanced Menu Fields Settings Comments Plug & Play O/S Yes No* Select Yes if using a Plug & Play operating system such as Windows 95. Otherwise, select No. Reset configuration data Yes No* Select Yes to clear the system configuration data if you suspect it is corrupted, which sometimes occurs after a power outage. This option also clears the Plug & Play databases. After you input correct settings (or accept the default settings), the computer switches this setting back to No.
BIOS Setup Utility Menu Fields Settings IRQ 11 reserved for Legacy ISA card Reserved Available* IRQ 15 reserved for Legacy ISA card Reserved Available* Comments Cache Memory Memory cache Enabled* Disabled Enables or disables the processor's internal cache. Cache system BIOS Write Protect* Uncached This option enables the system BIOS to be cached in the internal cache and external cache (if installed).
BIOS Setup Utility Menu Fields Settings Comments I/O Device Configuration Serial port A Auto* Disabled Enabled OS Controlled Enables or disables onboard serial port A at the specified address. Select Auto unless interrupts IRQ4 and/or IRQ3 are allocated as a computer resource. Two devices cannot share the same IRQ. Choosing Disabled makes serial port A unusable. If you select Auto, Setup configures COM1 to address = 3F8h and IRQ = 4 if they are available. Auto is the recommended setting.
BIOS Setup Utility Menu Fields Settings Comments Advanced Chipset Control ECC Config ECC* EC Disabled Select the memory configuration for the system. Enable Memory gap Disabled* Conventional Extended If enabled, system RAM is turned off to free address space for use with an option card. Either a 128KB conventional memory gap (starting at 512 KB) or a 1 MB extended memory gap (starting at 15 MB) will be created in system RAM.
BIOS Setup Utility Security Options Menu Fields Settings Comments User password is Not user selectable (Clear)* Indicates whether or not the user's password is enabled or disabled. Clear signifies that no password is defined. Supervisor password is Not user selectable (Clear)* Indicates whether or not the supervisor's password is enabled or disabled. Clear signifies that no password is defined. Set user password Press [Enter] Allows a user password to be set.
BIOS Setup Utility Menu Fields Settings Comments Custom sign on banner Press [Enter] Press [Enter] to enter a custom sign on banner that displays during POST. For example, the user might enter “Welcome to John’s machine.” The maximum number of characters is 50. Diskette access Supervisor User* Controls who has access to diskette drives. If Supervisor is selected, access to the diskette drive is limited to the supervisor, who must enter his or her password.
BIOS Setup Utility Power Menu Fields Settings Comments Power savings Customized* Maximum Power Savings Maximum Performance Disabled Enable this field to use any of the power management options. If this field is enabled and the other fields are disabled, only minimal power reduction is affected. Auto standby timeout Off* 1 min. 5 min. 10 min. 20 min. 30 min.
BIOS Setup Utility Boot Menu Fields Settings Comments Floppy check Enabled Disabled* Enabled permits verification of FDD type at boot. Disabled prevents FDD verification and speeds up the boot process. Summary screen Enabled* Disabled Enabling this option causes the computer to display configuration parameters (in the form of a summary screen) during boot. Boot device priority 1.
BIOS Setup Utility Flash Utility All DIGITAL PC 3500 and 5510 computers have BIOS software in a read-only, nonvolatile memory (ROM) chip. This BIOS initializes hardware and boots the operating system when the computer is turned on. The BIOS also provides access to other services such as keyboard and disk drives. The computer comes equipped with flash memory. This means that you can restore the computer’s BIOS simply by running the flash utility.
3 System Software Introduction 3 The DIGITAL PC 3500/5510 computer comes with the Windows 95 or Windows NT Workstation operating system and various system management software, utilities, and online information pre-installed and ready to use. All system software and device drivers needed for the system configuration are also supplied on the CDs included with the system documentation in the accessories box.
System Software Initial System Startup Depending on the model of the DIGITAL PC and business location, the computer may have various combinations of operating system languages and system software pre-installed on the hard disk drive. The first time that the computer is turned on, run Windows Setup. You will be prompted to make some important selections and input various user registration information.
System Software If default settings need to be changed, use the Control Panel Display option. However, before changing the resolution or resetting the monitor type, please check the monitor documentation. Selections must be based on what settings the monitor can support. Choosing one of the Factory Preset Resolutions listed in the monitor manual allows the resolution to be changed without having to adjust the monitor.
System Software The ISA Configuration Utility (ICU) When using non Plug and Play operating systems, such as Windows NT Workstation, the ICU is a useful tool that helps you install and configure expansion boards.
System Software The following table provides the location and description of the installed software. Note that Windows 95 and Windows NT instructions all begin from the Start button in the Task Bar. NOTE: Depending on the DIGITAL PC, the software fully installed or requiring customer activation may vary from the tables presented in this guide. The software set on some newer DIGITAL PCs may consist of all customer installable applications (no ready to run applications).
System Software Applications Location Description AMI Diagnostics Can be run from the DIGITAL System Software CD. Diagnostic software that can help troubleshoot the computer, even if the hard disk drive is inaccessible. In addition to being able to run AMI Diagnostics from the CD, diskette images have been provided so a set of diagnostic diskettes can be created. (See "Using Diagnostics.") 3-6 PC Care (Windows 95 only) Select Programs, then PC Care.
System Software Customer Activated Software The DIGITAL PC may include applications and online documentation loaded onto the hard disk drive in a compressed format, but not fully installed. An easy-to-use HTMLbased interface is provided to guide the user through the installation of these applications. Follow the steps below to install the customer activated options. 1. From the Start menu, click Programs. 2. From the Programs list, click Digital, then click on Installable Options. 3.
System Software DIGITAL On-Line Documentation DIGITAL provides an on-line resource library for all available product information. The resource library may include HTML-based help files, electronic reference guides, and Readme files. Electronic reference guides are available in Adobe Portable Document Format (PDF). These documents can be displayed and printed exactly as the original. The Adobe Acrobat Reader is provided on the computer’s hard disk drive as a customer-activated option.
System Software Other on-line documentation files are available, many of which relate to specific applications. Check the application program folder. Also check the applications themselves for the on-line help that is integrated into the applications. Operating System Kit The computer comes with one of the following operating system kits, which matches the operating system installed on the computer's hard disk drive: Windows 95 Windows 95 CD-ROM, software license, and the manual.
System Software DIGITAL System Software CD Included in the accessories kit is the DIGITAL System Software CD. This CD is a bootable CD and capable of being used to boot a PC on which the hard disk drive has failed. It contains all of the applications, drivers and files necessary to restore DIGITAL-supplied system software in the event of a hard disk drive failure. It also contains expanded diagnostics and device drivers not included on the operating system CD. This CD does not contain the operating system.
System Software Most of the device drivers you need are installed at the factory. However, you may need to install additional device drivers for options that were not factory installed. DIGITAL provides all the factory-installed device drivers and additional device drivers on the supplied CD-ROM.
System Software Restoring System Software In the event of a hard disk failure you will need to reinstall the operating system, device drivers, and any other utilities or applications that were on the hard disk drive. At other times you may only need to replace a driver or an application that was accidentally deleted or corrupted.
System Software 4. Install the necessary device drivers (see “DIGITAL System Software CD Installation Program”). For additional installation and configuration information, refer to the CD-INFO.TXT file on the DIGITAL System Software CD. NOTE: Device drivers are subject to change. You can find the latest device drivers using the Internet (See "Latest Product Information and Updates"). 5. Install the DIGITAL supplied applications, such as ClientWORKS.
System Software DIGITAL System Software CD Installation Program The DIGITAL System Software CD includes an easy-to-use program that allows you to install the supplied applications and drivers onto the computer’s hard disk drive. To launch the installation program: 1. Insert the DIGITAL System Software CD into the CD-ROM drive. It should autorun and launch the Internet browser to display the choices. 2. Select whether the PC is running Windows 95 or Windows NT Workstation. 3.
4 Troubleshooting Initial Troubleshooting 4 The following sections provide initial troubleshooting procedures and tables listing specific problems, probable causes, and recommended actions to take if the computer fails after configuring it or after installing optional hardware or software. • Keep it simple, only troubleshoot one problem at a time. Also, only make one change at a time. For example, if the IDE hard disk drive fails to boot, do not try all the suggested actions at once.
Troubleshooting • If the computer hangs, soft boot the computer (press the [Ctrl] + [Alt] + [Del] keys). If the computer fails to boot, turn it off, wait until all disk drives completely spin down, and then turn it back on. • Pay close attention to any error message that appears on the screen. If the error message is computer related, refer to the “Error Messages” section at the end of this chapter.
Troubleshooting Pass/Fail Criteria As a Final Acceptance Test, the following tests should be run to meet the Pass/Fail criteria: 1. Successful completion of the POST tests. 2.
Troubleshooting Diagnostics Several software diagnostic products are provided with the DIGITAL PC. You can use any of the following applications to troubleshoot problems on the computer. • Windows NT Diagnostics (for Windows NT) • PC Care (for Windows 95) • AMI Diagnostics (for Windows 95 or Windows NT) Windows NT Diagnostics If the PC has the Windows NT Workstation operating system, the factory-installed software includes Windows NT Diagnostics.
Troubleshooting To access the PC Care diagnostic software, select the PC Care icon from the Windows Programs menu. PC Care offers a variety of options that allow you to see and test the system configuration and components. Use the Online Help facility provided with PC Care for more information on these modules. If PC Care has been deleted from the hard drive, it can be re-installed from the DIGITAL System Software CD (see “DIGITAL System Software CD Installation Program”).
Troubleshooting 3. The DOS-based diagnostics program will launch and the PC can be tested. For more detailed instructions about using this application, refer to the online help within the program. AMI Diagnostics on Diskettes Diskette images of AMI Diagnostics are provided on the DIGITAL System Software CD. If you would prefer to boot from diskette instead of the CD, DIGITAL recommends that you create these diskettes as soon as possible. For detailed instructions on doing this, see the CD-INFO.
Troubleshooting Using the Diagnostic Diskettes To boot from AMI Diagnostics Diskette #1, insert the diskette into the floppy disk drive and power on the computer. After the program begins, follow the instructions displayed on the monitor screen. NOTE: If the computer boots from the hard disk drive instead of the diskette drive, run the BIOS Setup utility to change the boot sequence.
Troubleshooting DIGITAL ClientWORKS and DMI (DIGITAL PC 5510 Only) ClientWORKS is a Desktop Management Interface (DMI) based software application that has been developed by Digital Equipment Corporation. ClientWORKS for Windows 95 and Windows NT Workstation can be used to help you, the system manager, or system administrator to identify the computer’s current hardware configuration.
Troubleshooting Self Monitoring Analysis Technology (S.M.A.R.T.) If the computer’s hard disk drive is S.M.A.R.T. aware and you are running Windows 95, DIGITAL’s S.M.A.R.T. Monitor will keep you apprised as to how the hard disk drive is operating. When Windows 95 starts, DIGITAL S.M.A.R.T. Monitor is launched and then immediately minimized, placing the icon in the Windows 95 taskbar. DIGITAL S.M.A.R.T. Monitor then periodically polls the S.M.A.R.T.
Troubleshooting Advanced Troubleshooting DIGITAL has a Customer Replaceable Unit (CRU) process during the warranty period for: • DIGITAL monitors with screens less than 20 inches • Mice • Keyboards • Speakers • Other parts as defined by DIGITAL as CRUs The DIGITAL CRU process provides for overnight shipment of the part directly to the customer site. The Service provider gives the customer instructions for installing the replacement unit and for returning the defective part.
Troubleshooting Problem Possible Cause Action No response when the computer is turned on. Computer is not plugged in. Turn off the computer, plug it in, and then turn it back on again. Use another wall outlet. Replace the main logic board. Set all appropriate jumpers (Refer to the computer’s System Reference guide). Replace the CPU. Replace the power supply. Make sure the setting on the back of the computer matches the country’s voltage requirements.
Troubleshooting Problem Possible Cause Action Computer operates incorrectly after installing an optional expansion board. Expansion board installed incorrectly. Remove the expansion board and reinstall. Did not run the ISA Configuration Utility (ICU) to configure a non-Plug and Play expansion board before installation. Run the ICU to properly configure expansion board and then reboot the computer. Refer to any supplied ICU, Windows 95, and Windows NT Workstation documentation.
Troubleshooting Problem Possible Cause Action Computer fails to retain setup information. Computer battery has failed. Replace computer battery. Discharge CMOS jumper set to “Discharge.” Set discharge CMOS jumper to “Normal.” Refer to the computer’s System Reference guide. Computer displays HIMEM.SYS errors. Unstable memory at the specified address. Run diagnostics. Computer displays an illegal action message (Windows 95). Insufficient computer resources for a given operation.
Troubleshooting Problem Possible Cause Action “Couldn’t Find NTLDR” (Windows NT Workstation) NTLDR file is missing from the root directory of the hard disk drive. Copy the NTLDR file to the hard disk drive’s root directory. If using the supplied Windows NT Workstation CD-ROM disk, make the CDROM the current drive and then type: copy\i386\ntldr c:\ at the command line prompt.
Troubleshooting Problem Possible Cause Action “Error 0x00000069 or 0x00000067” (Windows NT Workstation) Windows NT Workstation unable to communicate with the computer’s hard disk drive controller. Using the BIOS Setup utility, slow down the DMA transfer rate of the controller. Make sure both ends of the SCSI bus are terminated. Make sure there are no IRQ or memory address conflicts. Make sure NTDETECT.COM is in the root directory of the boot drive partition.
Troubleshooting Problem Possible Cause Action Computer does not boot from an IDE hard disk drive. IDE drive type incorrect. Run the BIOS Setup utility to identify the correct drive type. See drive type label on drive or consult drive documentation. Loose cable connectors. Secure all cable connections. Onboard IDE interface disabled. Run the BIOS Setup utility and set the Local Bus IDE Adapter to “Primary,” “Secondary”, or “Both.” Hard disk boot sector is missing.
Problem Possible Cause Action Computer does not boot from an IDE hard disk drive. IDE hard disk is connected to the wrong IDE connector. Connect the boot disk to the primary IDE connector on the backplane. Operating system software is not installed on the IDE hard disk drive. Install the appropriate operating system. IDE hard disk drive is not correctly formatted or the requested partition does not exist.
Troubleshooting Problem Possible Cause Action Computer does not recognize an internal or external SCSI hard disk drive or device. SCSI device jumpers incorrectly set. Refer to the supplied SCSI device kit installation instructions. SCSI ID conflicts. Refer to the supplied SCSI device kit installation instructions on setting SCSI IDs. Terminating resistors not removed from the SCSI device. Remove terminating resistors. Refer to the supplied kit installation instructions.
Troubleshooting Problem Possible Cause Action Computer does not recognize an internal or external SCSI hard disk drive or device. Hard disk boot sector is missing. Repartition and reformat the hard disk drive. Caution: This procedure erases what is currently on the hard disk drive. You might want to try repairing the hard disk drive using a disk drive repair utility. Disk drive repair utilities can be purchased from the local software supplier.
Troubleshooting Problem Possible Cause Action Computer does not boot from an internal SCSI hard disk drive. Computer not configured for SCSI hard disk drive operation. Run the BIOS Setup utility and set the IDE controller option to “Disabled.” This disables the onboard IDE interface. Note: If you have both IDE and SCSI hard disk drives installed, the computer uses the IDE hard disk drive as the boot device. Operating system software is not installed on the SCSI hard disk drive.
Problem Possible Cause Action Computer does not boot from a target diskette drive. Onboard diskette controller disabled. Run the BIOS Setup utility and set the diskette controller option to “Enabled.” Diskette drive not enabled. Run the BIOS Setup utility to enable the diskette drive BIOS Setup diskette write option enabled. Enter the user password. If a supervisor password is required, see the system supervisor or system manager. Incorrect diskette drive type.
Troubleshooting Problem Possible Cause Action No response to keyboard commands. Keyboard is password protected. Enter the keyboard password. Keyboard is not connected. Power down the computer and connect the keyboard. Keyboard is connected to the mouse port. Power down the computer and connect the keyboard to the keyboard port. Computer operation halted. Reboot computer. Keyboard has failed. If available, try another keyboard.
Problem Possible Cause Action Keyboard keys type incorrectly. Incorrect language selected. Select the correct language. Keyboard has failed. If available, try another keyboard. If the new keyboard operates correctly, replace the old keyboard following the Customer Replacement Unit process described in the Warranty and Information booklet. Mouse is not connected. Power down the computer and connect the mouse. Mouse is connected to the keyboard port.
Troubleshooting Disk Drive Troubleshooting Problem Possible Cause Action IDE/SCSI hard disk drive cannot read or write information. Incorrect disk drive jumper settings. Refer to the supplied kit installation instructions. Loose or incorrectly installed cables. Make sure all cables are correctly installed. IDE/SCSI hard disk drive is not correctly formatted or partitioned. Format and partition as required using the supplied operating system. IDE drive type incorrect.
Problem Possible Cause Action Target diskette drive cannot read or write information. Diskette is not formatted. Format the diskette. Diskette is worn or damaged. Try another diskette. Diskette is write-protected. Slide the write-protect switch so the hole is not visible (3½-inch diskette) or uncover the write-protect notch (5¼-inch diskette). Diskette drive is empty. Insert a diskette. Onboard diskette controller disabled.
Troubleshooting Monitor Troubleshooting Problem Possible Cause Action Monitor power indicator is not on. Monitor is turned off. Turn on the monitor. Power cord is not connected. Connect the power cord to the computer. No screen display. No monitor display while loading Windows video drivers. No power at wall outlet. Use another outlet. Monitor is in power saving mode. Monitor has failed. Make sure the power light on the monitor is green.
Troubleshooting Possible Cause Action Distorted, rolling, or flickering screen display, or wrong/uneven color. Monitor incorrectly adjusted. Adjust accordingly. Monitor signal cable incorrectly installed. Straighten any bent connector pins and then reconnect. Wrong refresh rate set in Windows 95 or Windows NT Workstation. If using Windows 95, reboot the computer in safe mode and then correct the refresh rate according to the documentation supplied with the computer.
Troubleshooting Audio Troubleshooting (DIGITAL PC 5510 Only) Problem Possible Cause Action Audio does not work. Power to speakers not turned on. Check the batteries or AC adapter connection to be sure speakers are getting power. Make sure the power switch on the master speaker is set to ON. Sound, MIDI, mixer drivers not installed. Check the error messages for the necessary drivers. In Windows Control Panel, select “System”, then “Device Manager” and install the necessary driver(s).
Problem Possible Cause Action External speakers do not work. Speaker batteries or ac adapter have failed. Replace speaker batteries or AC adapter. Refer to the documentation that came with the speakers. Speakers have failed. If available, try another set of speakers. If the new speakers operate correctly, replace the old speakers following the Customer Replacement Unit process described in the Warranty and Information booklet. Microphone not connected or improperly connected.
Troubleshooting CD-ROM Troubleshooting Problem Possible Cause Action Cannot access the CD-ROM drive. Error message reading drive x. Device drivers not installed. Install correct device drivers. No disk in the CD-ROM drive. Insert a disk. CD-ROM drive tray is open. Close the tray. Onboard IDE interface disabled (if IDE CD-ROM) Run the BIOS Setup utility and set the Local Bus IDE Adapter to “Enabled.” CD-ROM has failed. Replace the CD-ROM Cables have failed. Replace the cable(s).
Troubleshooting Network Interface Troubleshooting (DIGITAL PC 5510 Only) Possible Cause Action Power is on, LAN address is installed on computer; system hangs. Incorrect software installed or software installed incorrectly. Contact system administrator or network coordinator. Network doesn’t start. Network cable not connected or is loose. Connect cable. Also, make sure no more than one Ethernet cable is connected at one time.
Troubleshooting Error Messages This section lists computer messages you might see or hear when you turn on power.
Troubleshooting POST Messages The POST displays messages to alert you to errors in hardware, software, and firmware or to provide operating information about the computer. Each time the POST displays a message on the screen, the computer's speaker beeps twice. If an error occurs before the monitor is initialized, specific beep codes sound to alert you to a problem. The following table lists a general grouping of computer messages.
Troubleshooting POST and Boot Messages Message Description/Solution Asynchronous Synchronous Burst Synchronous Pipeline Burst Passed Where nnnn is the amount of computer cache (in kilobytes) that tested successfully. Diskette drive A error Diskette drive B error Run the BIOS Setup utility. Check all connections. If the problem persists, replace the diskette drive. Entering SETUP BIOS Setup utility runs. Extended RAM Failed at offset: nnnn Extended memory failed or configured incorrectly.
Troubleshooting Message Description/Solution Incorrect Drive A type run SETUP Diskette drive A and/or B not correctly identified in the BIOS Setup utility. Incorrect Drive B type run SETUP Invalid NVRAM media type Run the BIOS Setup utility and properly identify diskette drive A and/or B. NVRAM access failed. Run the BIOS Setup utility and restore all settings to original values. If the problem persists, replace the main logic board.
Troubleshooting Message Description/Solution nnnn Shadow RAM passed Where nnnn is the amount of shadow RAM (in kilobytes) that tested successfully. RTC is dead - Replace and run SETUP Replace the battery and then run the BIOS Setup utility to restore previous configuration information. System BIOS shadowed This indicates that the computer’s BIOS was successfully copied to shadow RAM. System cache error Cache disabled RAM cache failed.
Troubleshooting POST Execution Messages Code Description 02h Verify Real Mode 04h Get CPU type 06h Initialize system hardware 08h Initialize chipset registers to their initial POST values.
Troubleshooting Code Description 28h Autosize DRAM 2Ah Clear 512K base RAM 2Ch RAM failure on address line xxxx* 2Eh RAM failure on data bits xxxx* of low byte of memory bus 2Fh Initialize external cache before shadowing 30h RAM failure on data bits xxxx* of high byte of memory bus 32h Test CPU bus-clock frequency 34h Test CMOS RAM 35h Initialize alternate chipset registers 36h Warm start shut down 37h Re-initialize the chipset (MB only) 38h` Shadow system BIOS ROM 39h Reinitiali
Code Description 54h Initialize keystroke clicker if enabled in Setup. 56h Send a command to keyboard controller to enable the keyboard.
Troubleshooting Code Description 90h Initialize hard-disk controller 91h Initialize local-bus hard-disk controller 92h Jump to UserPatch2 93h Build the MPTABLE for multi-processor cards 94h Disable A20 address line.
Troubleshooting Code Description BEh Clear screen before booting (optional) BFh Check virus and backup reminders C0h Try to boot with INT 19 D0h Interrupt handler error D2h Unknown handler error D4h Pending interrupt error D6h Initialize option ROM error D8h Shutdown error DAh Extended Block Move DCh Shutdown 10 error DIGITAL PC 3500/5510 * If the BIOS detects error 2C, 2E, or 30 (base 512K RAM error), it displays an additional word-bitmap (xxxx) indicating the address line or bits t
Troubleshooting The following are for boot block in Flash ROM: 4-42 Code Description E2h Initialize the chipset E3h Initialize refresh counter E4h Check for Forced Flash E5h Check HW status of ROM E6h BIOS ROM is OK E7h Do a complete RAM test E8h Do OEM initialization E9h Initialize interrupt controller Eah Read in the bootstrap code Ebh Initialize all vectors Ech Boot the Flash program Edh Initialize the boot device Eeh Boot code was read OK
Troubleshooting Beep Codes When POST finds an error and cannot display a message, the computer's speaker emits a series of beeps to indicate the error and places a value in I/O port 80h. During POST, if the video configuration fails or if an external ROM module fails a checksum test, then the computer beeps three times (one long beep, and two short beeps).
5 Parts Replacement Introduction 5 DIGITAL PC 3500/5510 The following sections list the Illustrated Parts Breakdown (IPB) part numbers and related replacement procedures.
Parts Replacement DIGITAL PC 3500/5510 Low Profile IPB List Figure Legend Spare Part Number Exchangeable Part Number 1 54-25322-01 54-25322-02 54-25333-03 54-25322-04 Main logic board (Matrox VGA and Network) Main logic board (No VGA but with Network) Main logic board (Matrox VGA and no Network) Main logic board (No VGA and no Network) 2 54-25330-02 54-25330-01 Riser card (DIGITAL PC 3500 only) Riser card (DIGITAL PC 5510 only) 3 54-25084-AA 54-25084-BA 54-25084-CA 54-25084-DA 54-25092-AA 54-2509
Parts Replacement Spare Part Number Exchangeable Part Number Description 7 74-50747-01 Option filler plate 8 PCXAG-BF Diamond Fire GL 1000 Pro 4MB AGP graphics card (NLX form factor only) 9 12-41474-05 Battery, 3 VDC lithium, CR2032 10 70-32677-02 Enclosure, low profile 11 70-32675-01 70-32893-01 Top cover, with bezel and filler panel Bezel, with filler panels 12 70-50742-01 Bezel blank, 5.25” drive 13 74-50762-01 Bracket, 3.
Parts Replacement 19 15 11 6 2 10 7 12 20 8 3 14 17 18 5 17 13 9 1 4 16 DEC01421 Figure 5-1.
Parts Replacement Enclosure Exchangeable Part Number Description 12-44147-01 Screw, captive 6-32 12-47296-01 Key lock 54-24526-01 Front audio panel 54-24538-02 Rear audio panel 74-48510-01 Expansion bracket, 5.25” to 3.5” 74-49365-01 Holder, drive rail 74-49836-01 Bumper for MLB 74-50737-01 Card guide, MLB 74-50752-01 Bracket EMI shield, 5.25” 74-50798-01 Air duct, low profile 74-50804-01 Rubber feet 74-50911-01 Bracket, I/O expansion 74-50912-01 3.
Parts Replacement Cables Spare Part Number Exchangeable Part Number Description 17-03460-12 Cable assembly, flat, 34 position, 430 mm 17-03460-13 Floppy cable assembly, flat, 34 position, 400 mm 17-03461-13 Cable assembly, flat, 40 position, 265 mm 17-03461-14 Cable assembly, flat, 40 position, 295 mm 17-04278-02 Cable assembly, audio 17-04372-01 Cable, control panel 17-04405-06 Cable for AUI/BNC option card, 13.
Parts Replacement Options Exchangeable Part Number Description 30-46729-02 Adaptec 2940UW PCI-SCSI adapter card 54-24526-02 Front microphone/headphone panel mount card (low profile, DIGITAL PC 5000 only) 54-24538-02 Rear microphone/headphone panel mount card (DIGITAL PC 5000 only) 54-25326-01 BNC network option card (board only, cable not included) 54-25326-02 AUI network option card (board only, cable not included) DE500-AA 10/100Base Ethernet adapter PCXBJ-DG Labtech speakers PCXJD-AB So
Parts Replacement DIGITAL PC 3500/5510 Short Tower IPB List Figure Legend Spare Part Number 1 54-25322-01 54-25322-02 54-25333-03 54-25322-04 Main logic board (Matrox VGA and Network) Main logic board (No VGA but with Network) Main logic board (Matrox VGA and no Network) Main logic board (No VGA and no Network) 2 54-25332-02 54-25332-01 Riser card (DIGITAL PC 3500 only) Riser card (DIGITAL PC 5510 only) 3 54-25084-AA 54-25084-BA 54-25084-CA 54-25084-DA 54-25092-AA 54-25092-BA 54-25092-CA 54-25092-
Parts Replacement Spare Part Number Exchangeable Part Number Description 6 30-48258-01 Power supply, short tower, 200 W 7 74-50747-01 Option filler plate 74-51998-01 AGP filler plate 8 PCXAG-BF Diamond Fire GL 1000 Pro 4MB AGP graphics card 9 12-41474-05 Battery, 3 VDC lithium, CR2032 10 70-32678-06 Enclosure, short tower 11 70-32803-01 Cover, L-shape, short tower 12 74-50757-01 Side panel, left 13 70-32680-01 Bezel, with filler panels, short tower 14 74-50755-01 Guide, optio
Parts Replacement 22 11 4 18 1 3 5 23 12 9 8 18 10 21 7 19 6 2 15 14 13 20 16 17 Figure 5-2.
Parts Replacement Enclosure Exchangeable Part Number Description 12-44147-01 Screw, captive 6-32 12-47296-01 Key lock (optional on some models) 74-46480-01 Expansion bracket, 3.5” to 5.25” 74-48510-01 Expansion bracket, 5.25” to 3.5” 74-49836-01 Bumper for MLB 74-50737-01 Card guide, MLB 74-50752-01 Bracket EMI shield, 5.25” 74-50804-01 Rubber feet 74-50911-01 Bracket, I/O expansion 74-51001-01 Bracket, hasp, short tower 74-51171-01 3.
Parts Replacement Cables Spare Part Number Exchangeable Part Number Description 17-03460-12 Cable assembly, flat, 34 position, 430 mm 17-03460-13 Floppy cable assembly, flat, 34 position, 400 mm 17-03461-13 Cable assembly, flat, 40 position, 265 mm 17-03461-14 Cable assembly, flat, 40 position, 295 mm 17-04278-02 Cable assembly, audio 17-04372-01 Cable, control panel 17-04405-06 Cable for AUI/BNC option card, 13.
Parts Replacement Options Spare Part Number Exchangeable Part Number Description Adaptec 2940UW PCI-SCSI adapter card 54-24526-03 Front microphone/headphone panel mount card (short tower, DIGITAL PC 5000 only) 54-24538-02 Rear microphone/headphone panel mount card (DIGITAL PC 5000 only) 54-25326-01 BNC network option card (board only, cable not included) 54-25326-02 AUI network option card (board only, cable not included) DE500-AA 10/100Base Ethernet adapter PCXBJ-DG Labtech speakers PCXJD-A
Parts Replacement Service Procedures The following sections provide detailed service instructions for DIGITAL PC 3500/5510 computers. CAUTION: Static electricity collects on non-conductors such as paper, cloth, or plastic. A static discharge can be damaging even though you often cannot see or feel it. To prevent damage to circuit boards and/or components: • Before touching any circuit board or component, touch the metal frame of the computer to discharge any static electricity.
Parts Replacement Remedial Diagnostic Test Software Supplier information: AMI Diagnostics 6145-F Northbelt Parkway Norcross, GA 30071, U.S.A. Voice: 1-770-246-8600 FAX: 1-770-246-8791 Support: 1-770-246-8645 Internet: http://www.megatrends.com Virus Software Information F-PROT, Virus Detection and Cleanup Software, latest version. Supplier information: DIGITAL PC 3500/5510 North America, South America, Australia and New Zealand Command software Systems Inc.
Parts Replacement BIOS Version Information You can access and download the latest BIOS upgrades using the Internet at: http://windows.digital.com Once accessed, go to the “Firmware and Drivers” section. Disconnecting External Devices and Power 1. Turn off power to all external devices connected to computer. 2. Turn the computer off. 3. Disconnect power from the wall outlet. 4. Disconnect the power cord and monitor cord.
Parts Replacement Removing the Outside Cover To remove the computer’s outside cover: 1. Turn off power to all external devices connected to the computer. 2. Turn the computer off. 3. Unplug your computer and monitor power cord from the wall outlet. 4. For computers without a chassis lock, go to step 4a. For computers with a chassis lock, go to step 4b. a. Release the outside cover by loosening the rear-panel thumbscrew(s). b. Unlock the outside cover by inserting the key and turning it counter clockwise.
Parts Replacement DEC01252-2 Figure 5-3.
Parts Replacement SecureBOX (DIGITAL PC 5510 Only) DIGITAL PC 5510 computers feature SecureBOX circuitry that detects the removal of the computer cover to improve asset management of remote networked clients. If the computer cover is removed, SecureBOX circuitry will log the event with system management software. SecureBOX features are implemented within the computer hardware and BIOS design for use with ClientWORKS and/or other system management software.
Parts Replacement C E D F B G H A I K J Figure 5-4.
Parts Replacement Main Logic Board Connectors (Rear Panel) Figure Legend Connector A Parallel port B 10/100BaseTX network port(1) C Keyboard port D Mouse port E Two USB ports F Video (VGA) port G Serial port H AGP video port (located on rear chassis) (1) Not available on all models. DIGITAL PC 3500/5510 A B C D E F G H DEC01256-3 Figure 5-5.
Parts Replacement Main Logic Board Connectors Figure Legend Connector A Three 168-pin, DIMM, 64-bit SDRAM sockets B Video memory (SGRAM) upgrade connectors C AUI/BNC (network) connector (1) D AGP graphics expansion board connector (1) DIGITAL PC 5510 only C B A D DEC01256-4 Figure 5-6.
Parts Replacement Figure Legend Connector A PCI expansion board connectors B ISA expansion board connectors C Primary IDE drive connector D Secondary IDE drive connector (recommended for an installed CDROM drive) E Diskette drive connector F Audio rear panel connector(2) G CD-ROM audio input connector (CD-IN)(2) H Fax/modem audio input connector (F/M IN)(1) I Control panel connector J Fan connector (user option) K Crystal CS4236B audio controller(2) L SCSI LED connector M Micro s
Parts Replacement Low Profile Fax/Modem Audio Input Connector (F/M IN) Item H, Figure 5-7 Description Pin 1 Audio in (fax/modem)(1) Pin 2 Ground Pin 3 Ground Pin 4 Microphone in (fax/modem) (1) DIGITAL PC 5510 only H C 1 2 3 4 E D F B G H I J A O N M L K DEC01259-2 Figure 5-7.
Parts Replacement Figure Legend Connector A Micro switch connector(2) B PCI expansion board connectors C ISA expansion board connectors D Crystal CS4236B audio controller(2) E Audio rear panel connector(2) F CD-ROM audio input connector (CD-IN)(2) G Fax/modem audio input connector (F/M IN)(1) H Control panel connector I Fan connector (user option) J Diskette drive connector K SCSI LED connector L Secondary IDE drive connector (recommended for an installed CDROM drive) M Primary I
Parts Replacement Short Tower Fax/Modem Audio Input Connector (F/M IN) Item G, Figure 5-8 Description Pin 1 Audio in (fax/modem)(1) Pin 2 Ground Pin 3 Ground Pin 4 Microphone in (fax/modem) (1) DIGITAL PC 5510 only G 1 2 3 4 D E C F G H B I J K A O N M L DEC01257-2 Figure 5-8.
Parts Replacement Audio Card Connectors (DIGITAL PC 5510 only) Computers with the Crystal CS4236B sound chip come with an audio adapter card installed. This card allows you to connect speakers to the computer. NOTE: The location of this adapter card might vary depending Figure Legend Connector A Speaker out B Line in DIGITAL PC 3500/5510 on the computer model.
Parts Replacement A B A B DEC01260 Figure 5-9.
Parts Replacement Expansion Slot Locations (Low Profile Computer) Expansion Slot Designation ISA2 Description Supports half-length industry-standard 16-bit ISA expansion boards Uses the top expansion slot at the rear panel PCI2 Supports full-length 32-bit PCI local bus expansion boards Uses the middle expansion slot at the rear panel Designated as a shared slot with ISA slot ISA1(1) ISA1 Supports full-length industry-standard 16-bit ISA expansion boards Uses the middle expansion slot at the rear panel
Parts Replacement ISA2 PCI2 ISA1 PCI1 DEC01259-3 Figure 5-10.
Parts Replacement Expansion Slot Locations (Short Tower Computer) Expansion Slot Designation Description ISA1 Supports half-length industry-standard 16-bit ISA expansion boards Uses the first expansion slot at the rear panel ISA2 Supports full-length industry-standard 16-bit ISA expansion boards Uses the second expansion slot at the rear panel ISA3 Supports full-length industry-standard 16-bit ISA expansion boards Uses the third expansion slot at the rear panel Designated as a shared slot with PCI s
Parts Replacement ISA1 ISA2 PCI3 ISA3 PCI2 PCI1 DEC01257-3 Figure 5-11.
Parts Replacement Main Logic Board Switch Settings Feature Function Setting Description Clear password Clear Normal(1) SW1-1, ON SW1-1, OFF(1) If you forget your password, via BIOS Setup, set this switch to ON and then restart the computer. Recovery mode Recovery Normal(1) SW1-2, ON SW1-2, OFF(1) If your flash BIOS upgrade failed and the BIOS is corrupted, set this switch to ON so you can boot your computer from a Crisis Recovery diskette. Refer to the README.
Parts Replacement Processor Clock Speed Switch Settings The following table provides the switch settings for a number of available Pentium processors. The switches are set correctly for the processor that came with the computer. Only change the processor switch settings, that is SW1, for an upgrade to another processor.
Parts Replacement DIGITAL PC 3500/5510 OFF 1 2 3 4 5 6 7 8 9 10 ON SW1 DEC01256-8 Figure 5-12.
Parts Replacement Installing Additional Computer Memory The computer supports 168-pin DIMM memory modules utilizing Synchronous Dynamic Random Access Memory (SDRAM) technology. SDRAMs operate at speeds of 66 MHz (or greater) over a local memory bus, which is much faster than SIMMs using ECC or EDO memory. Depending on the model you ordered, your computer came with either 16 MB, 32 MB, or 64 MB of computer memory.
Parts Replacement DIGITAL PC 3500/5510 DIMM 2 DIMM 1 DIMM 0 DEC01256-7 Figure 5-13.
Parts Replacement Memory Configurations DIMM2 16 MB 64 MB 16 MB 16 MB 16 MB 16 MB 64 MB 32 MB 32 MB 32 MB 16 MB 64 MB 64 MB 64 MB 64 MB 16 MB 16 MB 64 MB 128 MB 5-38 DIMM1 16 MB 16 MB 32 MB 32 MB 64 MB 32 MB 128 MB 128 MB DIMM0 Total 16 MB 16 MB 16 MB 16 MB 32 MB 32 MB 32 MB 32 MB 64 MB 64 MB 64 MB 64 MB 128 MB 128 MB 128 MB 128 MB 128 MB 128 MB 128 MB 128 MB 128 MB 16 MB 32 MB 48 MB 96 MB 32 MB 64 MB 80 MB 128 MB 64 MB 128 MB 144 MB 192 MB 128 MB 144 MB 160 MB 160 MB 176 MB 192 MB 224 MB 256
Parts Replacement Removing and Replacing Components • Main logic board • Adapter cards • AGP video card • DIMMs • Video memory • Battery • Heat sink • Processor • VRM • Backplanes • Expansion boards • Power supplies • Control panels • Air duct • Fans • 3½-inch mass storage devices • 5¼-inch mass storage devices DIGITAL PC 3500/5510 The following sections provide removal and replacement procedures for the following DIGITAL PC 3500/5510 components: 5-39
Parts Replacement Removing the Main Logic Board 1. Turn off the computer and monitor. 2. Disconnect all external devices, ac power, and monitor power. WARNING: Make sure you disconnect the power cords from the computer and monitor or the power cords from the power outlets. When only the front panel switches are turned off, dc logic voltage is still present. 3. Remove the outside cover. 4. Remove the retaining bracket (short tower computers only). 5. Remove AGP graphics expansion board, if present. 6.
DIGITAL PC 3500/5510 Parts Replacement DEC01261 Figure 5-14.
Parts Replacement Removing an Adapter Card 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. Disconnect the adapter card cable(s). 4. Remove the adapter card. 5. Remove the adapter card from the bracket by unscrewing the screws that hold the adapter card to the bracket.
DIGITAL PC 3500/5510 Parts Replacement Figure 5-15.
Parts Replacement Removing an AGP Graphics Accelerator Card 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. For short tower computers only, remove the screw securing the AGP card to the slot. 4. Remove the AGP graphics accelerator card.
DIGITAL PC 3500/5510 Parts Replacement DEC01514-3 Figure 5-16.
Parts Replacement Removing the DIMMs 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. Press the DIMM retaining clips out. 4. Pull the DIMM out of the socket.
DIGITAL PC 3500/5510 Parts Replacement DEC01096-3 Figure 5-17.
Parts Replacement Removing Video Memory 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. NOTE: The SODIMM connector used by the Matrox 3D graphics controller is located on the main logic board. The SODIMM connector used by the Diamond AGP graphics controller is located on the AGP card. 3. Remove the video memory by gently, but firmly, pulling out the video memory module. CAUTION: Be careful not to damage or bend the pins.
DIGITAL PC 3500/5510 Parts Replacement DEC01279 Figure 5-18.
Parts Replacement Removing the Lithium Battery 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. If the computer is a short tower, remove the main logic board. For low profile computers, skip to step 4. 4. Remove the old battery by lifting the retaining clip slightly and then by pushing on the battery from the side to slide it out. WARNING: There is a danger of battery explosion if a lithium battery is incorrectly replaced.
Parts Replacement DEC01256-6 DIGITAL PC 3500/5510 Figure 5-19.
Parts Replacement Removing the Processor 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. Disconnect the fan wire from the processor assembly. 4. If necessary, remove the VRM. 5. Release the processor from its socket by pushing in on the two plastic tabs at each side of the processor. 6. Carefully remove the old processor and fan assembly from the socket.
DIGITAL PC 3500/5510 Parts Replacement DEC01262-2 Figure 5-20.
Parts Replacement Removing the Voltage Regulator Module (VRM) 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. Push down on the two plastic clips to release the existing VRM from its socket. 4. Remove the VRM by pulling it straight up.
DIGITAL PC 3500/5510 Parts Replacement DEC01256-9 Figure 5-21.
Parts Replacement Removing the Backplane (Low Profile Computer) 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. Disconnect all power, video, disk and diskette cables. 4. Remove any expansion boards. 5. Remove the diskette drive. 6. Remove the main logic board. 7. Remove the screws. 8. Remove the backplane.
Parts Replacement DIGITAL PC 3500/5510 DEC01423 Figure 5-22.
Parts Replacement Removing the Backplane (Short Tower Computer) 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. Remove the screw from the internal drive bay. 4. Swing the drive bay away from the chassis. 5. Remove any expansion boards. 6. Disconnect all power, video, disk and diskette cables. 7. Remove the main logic board. 8. Remove the screws at the rear holding the backplane to the chassis. 9. Remove the backplane.
DIGITAL PC 3500/5510 Parts Replacement DEC01424 Figure 5-23.
Parts Replacement Removing Expansion Boards NOTE: You do not have to remove the main logic board to remove an expansion board. 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. Remove the screw. 4. Gently pull the expansion board from its socket.
DIGITAL PC 3500/5510 Parts Replacement DEC01268-4 Figure 5-24.
Parts Replacement Removing the Power Supply (Low Profile Computer) 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. Remove the internal hard disk drive. Refer to “Removing Internal 3½-Inch Device (Low Profile Computer).” 4. Disconnect the power cable from the backplane. 5. Disconnect all power cables from all devices. 6. Remove the screws. 7. Remove the power supply and bracket from the chassis. 8. Remove the bracket from the power supply.
Parts Replacement DIGITAL PC 3500/5510 DEC01229 Figure 5-25.
Parts Replacement Removing the Power Supply (Short Tower Computer) 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. Disconnect the power cable from the backplane. 4. Disconnect all power cables from all devices. 5. Remove the screws from the power supply. 6. Remove the power supply.
DEC01004 Figure 5-26.
Parts Replacement Removing the Control Panel Assembly (Low Profile Computer) 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. Remove the diskette drive and the bracket. Refer to “Removing the Diskette Drive (Low Profile Computer).” 4. Remove the main logic board. 5. Remove the main logic board guide. 6. Remove the screws securing the control panel assembly to the chassis. 7. Remove the control panel assembly. 8.
Parts Replacement DEC01006 DIGITAL PC 3500/5510 Figure 5-27.
Parts Replacement Removing the Control Panel Assembly and Cable (Short Tower Computer) 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. Remove front bezel. 4. Push in on the tabs to disengage the control panel assembly. 5. Disconnect the cables from the control panel assembly noting the following when you reconnect. − White and black is the reset switch. − White, black, and red is the power switch.
DIGITAL PC 3500/5510 Parts Replacement DEC00916 Figure 5-28.
Parts Replacement Removing the Option Card Guide and Speaker Assembly (Short Tower Computer) 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. Disconnect the speaker cable from the backplane. 4. Push in on the tab to release the option card guide and speaker assembly. 5. Remove the option card guide and speaker assembly.
Parts Replacement DIGITAL PC 3500/5510 DEC01010 Figure 5-29.
Parts Replacement Removing the Wire Assembly, Headphone/Microphone (Short Tower Computer) 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. Remove the front bezel. 4. Push in on the tabs to disengage the control panel assembly. The headphone and microphone connections are on a card inside the control panel assembly. This card is attached to the cable. 5. Remove the headphone and microphone card from the control panel assembly.
DIGITAL PC 3500/5510 Parts Replacement DEC00917 Figure 5-30.
Parts Replacement Removing a 3½-Inch Device from Front Bay (Low Profile Computer) 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. Disconnect all power and data cables. 4. Remove the screws holding the drive to the bay. 5. Remove the 3½-inch device, which includes the rail and the brackets. 6. Remove the rail from the device. 7. Remove the brackets from the device.
DEC00757-8 Figure 5-31.
Parts Replacement Removing a 5¼-Inch Device (Low Profile Computer) 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. Disconnect all power and data cables. 4. Remove the screws holding the drive to the bay. 5. Remove the 5¼-inch device, which includes the rail. 6. Remove the rail from the device.
Parts Replacement DIGITAL PC 3500/5510 DEC00757-9 Figure 5-32.
Parts Replacement IDE Drive Connections (Low Profile Computer) Figure Legend IDE Drive Component A Power supply B Primary IDE hard disk drive C Power connections D Primary IDE hard disk drive connections E Backplane IDE drive connection (primary) F Secondary IDE hard disk drive connections G(1) CD-ROM drive (not available on all models) H Backplane IDE drive connection (secondary) (1) The CD-ROM drive is connected to the secondary IDE port and configured as a master drive.
Parts Replacement F G C D B C F E H DIGITAL PC 3500/5510 A C DEC01271-2 Figure 5-33.
Parts Replacement Removing the Internal 3½-Inch Device (Low Profile Computer) 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. Disconnect all power and data cables from the device. 4. Remove the screw from the bracket. 5. Remove the 3½-inch device with the bracket by sliding the device forward and lifting. 6. Remove the 3½-inch device from the bracket.
DIGITAL PC 3500/5510 Parts Replacement DEC0122 Figure 5-34.
Parts Replacement Removing the Diskette Drive (Low Profile Computer) 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. Remove all power and data cables from the diskette drive. 4. Remove the screws from the front holding the drive and the bracket in the bay. 5. Remove the diskette drive with the bracket.
Parts Replacement DEC01425 DIGITAL PC 3500/5510 Figure 5-35.
Parts Replacement Diskette Drive Connections (Low Profile Computer) 5-84 Figure Legend Diskette Drive Component A Power supply B Power connections C Diskette drive connections (5¼ inch devices) D Backplane diskette drive connection E Diskette drive connections (3½ inch devices) F Diskette drive
Parts Replacement C C D B B A F E DIGITAL PC 3500/5510 DEC01271-2 Figure 5-36.
Parts Replacement Removing the Front Bezel (Short Tower Computer) 1. Turn off the computer and monitor. 2. Disconnect all external devices, ac power, and monitor power. 3. Remove the outside cover. 4. From the top of the computer, looking down towards the bottom of the front of the chassis, there are two tabs from the front bezel that hold the bezel in place and secure it to the chassis. Find both tabs (one on the left and one on the right). 5.
DIGITAL PC 3500/5510 Parts Replacement DEC00758-11 Figure 5-37.
Parts Replacement Removing a 3½-Inch Device from Front Bay (Short Tower Computer) 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. Remove the front bezel. 4. Disconnect all power and data cables. 5. If necessary, remove the EMI shield. 6. Remove the two screws holding the drive to the bay. 7. Remove the 3½-inch device, which includes the rail and the brackets. 8. Remove the rail from the device. 9. Remove the brackets from the device.
DIGITAL PC 3500/5510 Parts Replacement DEC00758-12 Figure 5-38.
Parts Replacement Removing a 5¼-Inch Device (Short Tower Computer) 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. Remove the front bezel. 4. Disconnect all power and data cables. 5. If necessary, remove the EMI shield. 6. Remove the two screws holding the drive to the bay. 7. Remove the 5¼-inch device, which includes the rail. 8. Remove the rail from the device.
DIGITAL PC 3500/5510 Parts Replacement DEC00758-13 Figure 5-39.
Parts Replacement Removing an Internal 3½-Inch Device (Short Tower Computer) 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. Disconnect all power and data cables. 4. Remove the screws securing the drive bay to the chassis. 5. Swing the device bay away from the chassis. 6. Remove the screws from the drive bay. 7. Remove the 3½-inch device.
DIGITAL PC 3500/5510 Parts Replacement DEC1273-5 Figure 5-40.
Parts Replacement IDE Drive Connections (Short Tower Computer) Figure Legend IDE Drive Component A Backplane IDE drive connection (primary) B Power connections C Power supply D Primary IDE hard disk drive E Primary IDE hard disk drive connections F Backplane IDE drive connection (secondary) G Secondary IDE hard disk drive connections H(1) CD-ROM drive (not available on all models) (1) The CD-ROM drive is connected to the secondary IDE port and configured as a master drive.
Parts Replacement A B C H B B D G F E DEC01274-3 DIGITAL PC 3500/5510 Figure 5-41.
Parts Replacement SCSI Drive Connections (Short Tower Computer) 5-96 Figure Legend Component A SCSI hard disk drives or other drive B Power connection C Single-ended active terminator D SCSI drive connectors E SCSI adapter connector (50-pin narrow) F External SCSI connector (68-pin wide) G Power supply H SCSI adapter connector (68-pin wide)
Parts Replacement B B E A D G C D F A DIGITAL PC 3500/5510 H DEC01274-4 Figure 5-42.
Parts Replacement Removing the Diskette Drive (Short Tower Computer) 1. Turn off the computer, monitor, and then disconnect power from the computer. 2. Remove the outside cover. 3. Remove the front bezel. 4. Remove all power and data cables from the diskette drive. 5. Remove the screws. 6. Remove the diskette drive.
DIGITAL PC 3500/5510 Parts Replacement DEC00888-2 Figure 5-43.
Parts Replacement Diskette Drive Connections (Short Tower Computer) Figure Legend Diskette Drive Component A Power connection B Diskette drive C Diskette drive connections D Backplane diskette drive connection E Power supply B A E A C D DEC01274-2 Figure 5-44.
6 Device Mapping Introduction 6 The computer's memory and address locations are allocated at the factory to operate within a standard PC environment. However, due to the number of optional devices and/or expansion boards that are available, sometimes memory and address locations need to be changed. For example, some network expansion boards require a specific memory location. If that location is already allocated, a memory conflict results and the expansion board will not operate as expected.
Device Mapping Full Range Processor Memory Address Map 6-2 Range Function Size 0 to 9FFFFh Base memory 640 KB A0000h to BFFFFh Video RAM 128 KB C0000h to C7FFFh Video BIOS 32 KB C8000h to DFFFFh BIOS extension ROM (AT bus used) 96 KB E0000h to FFFFFh PnP BIOS/APM BIOS 128 KB 100000h to 1FFFFFFh Extended memory 511 MB
Device Mapping Range (hexadecimal) Function 000 - 00F DMA controller one 020 - 021 Interrupt controller one 040 - 043 Interval timer 060 - 06F Keyboard controller 070 - 07F Real-Time Clock (RTC), NMI 080 - 08F DMA page register 0A0 - 0A1 Interrupt controller two 0C0 - 0CF DMA controller two 0F0 Clear math co-processor busy 0F1 Reset math co-processor 0F8 - 0FF Math co-processor 170 - 177 Secondary IDE controller 1F0 - 1F7 Primary IDE controller 220 - 22F Audio (if enabled) 278
Device Mapping 6-4 Range (hexadecimal) Function 2F8 - 2FF COM2 378 - 37A LPT1 388 - 38B Audio, FM music synthesizer 3BC - 3BE LPT3 3E8 - 3EF COM3 3F0 - 3F7 Diskette (floppy disk) controller 3F6 - 3F7 Primary/secondary IDE controller (alt status, device address) 3F8 - 3FF COM1 4D0 Edge/level control register - INTCNTRL1 4D1 Edge/level control register - INTCNTRL2 CF8 - CFF PCI configure space control register 1000 - 101F USB
Device Mapping Interrupt Number Interrupt Source IRQ0 Timer tick IRQ1 Keyboard controller IRQ2 Cascade interrupt IRQ3 COM2, COM4 (if enabled) IRQ4 COM1, COM3 (if enabled) IRQ5 Audio (if enabled) IRQ6 Diskette (floppy disk) drive, if enabled IRQ7 LPT1, LPT3, if enabled IRQ8 Real Time Clock (RTC) IRQ9 Video/USB IRQ10 Network (if enabled) IRQ11 Available IRQ12 Mouse interrupt, if enabled IRQ13 Math co-processor IRQ14 IDE primary (if enabled) IRQ15 IDE secondary (if enabled) D
Device Mapping DMA Channel Assignment 6-6 Channel Controller Function 0 1 Refresh 1 1 Audio (if enabled) 2 1 Diskette (floppy disk) controller, if enabled 3 1 ECP 4 2 Cascade DMA 5 2 Audio (for full duplex) 6 2 Available 7 2 Available
Service Notes DIGITAL PC 3500/5510 A A A-1
Service Notes A-2
DIGITAL PC 3500/5510 Service Notes A-3
Service Notes A-4
