Twister LX Pentium II System Board Manual Document Number: 06-00338-01, Rev. 1B March 1998 45365 Northport Loop West, Fremont, CA.
Copyright Notices Copyright 1998 Micronics Computers, Inc. The information contained in the Twister LX PCI/ISA/AGP Pentium II system board 2 manual has been carefully checked and is believed to be accurate. Micronics assumes no responsibility for any inaccuracies that may be contained in this document. Micronics makes no commitments to update or to keep the information in this manual at a current level when changes are made to the product.
Table of Contents Introduction Features Software Compatibility Before You Begin 5 6 7 8 Chapter 1 - Quick Installation 9 Installing the Twister LX 9 Chapter 2 - Configuring the Twister LX 11 Static Electricity Environment Considerations Twister LX System Board Jumper Settings 11 11 12 13 Chapter 3 - Installing the Twister LX 17 Introduction System Memory Support Installing the Twister LX Tools Required Equipment Required System Memory Adding Memory Memory Configurations CPU Installation Installi
2 Installing a PCI Peripheral Card Installing an ISA Peripheral Card Installing an AGP Peripheral Card 28 29 30 Chapter 4 - The BIOS Setup Utility 31 Configuration Initial Bootup Setup Running the Setup Program Standard CMOS Setup BIOS Features Setup Chipset Features Setup Power Management Setup PnP/PCI Configuration Setup Load BIOS Defaults Load Setup Defaults Integrated Peripherals Supervisor Password User Password IDE HDD Auto Detection HDD Low Level Format Save and Exit Setup Exit Without Saving 3
Appendix A - Technical Information 61 Specifications Environmental Specifications Temperature Range Relative Humidity Battery Disposal Support and Information Services Technical Support 61 63 63 63 64 65 65 Appendix B - Post Messages 67 Appendix C - Beep and POST Codes 69 Appendix D - Updating the System BIOS 73 Appendix E - Warranties and Notices 75 Limited Warranty Non-Warranty Service FCC Statement 75 76 77 Glossary 78 Index 82 Twister LX System Board Manual 3
List of Figures Figure 1.1: Power-Up Screen Figure 2.1: Twister LX System Board Figure 3.1: Installing a 168-Pin DIMM Figure 3.2: Installing a PCI Peripheral Card Figure 3.3: Installing an ISA Peripheral Card Figure 3.4: Installing an AGP Peripheral Card Figure 4.1: Power-Up Screen Figure 4.2: Main CMOS Setup Screen Figure 4.3: Standard CMOS Setup Screen Figure 4.4: BIOS Features Setup Screen Figure 4.5: Chipset Features Setup Screen Figure 4.6: Power Management Screen Figure 4.
Introduction Introduction Thank you for choosing the Twister LX system board. The Twister LX is an advanced single processor solution for the industry’s most demanding server and workstation applications. Based on the Intel 440LX AGPset, the Twister LX supports the latest advanced processor architecture, the Pentium II (processor-on-a-cartridge).
Introduction Features The Twister LX includes the following features: ▲ Single Intel Slot 1 for: Intel Pentium II chip 233/266/300/333MHz ▲ Integrated Voltage Regulator Module ▲ Intel 440LX AGPset Intel PIIX 4 National PC87309 Super I/O chip ▲ Four 32-bit PCI slots Three 16-bit ISA slots (One is a shared PCI/ISA slot) One AGP slot ▲ Three 3.
Introduction Software Compatibility The Twister LX system board has been thoroughly tested for compatibility with a variety of operating systems and environments, including: ▲ Microsoft DOS 6.22 Windows NT 3.5x Windows NT 4.0 ▲ IBM OS/2 Warp 4.0 ▲ SCO UNIXWare 2.1.1 Open Server 5.02 ▲ Novell NetWare 3.12 NetWare 4.
Introduction Before You Begin This manual will familiarize you with the features, installation and use of your Twister LX. There are several symbols and conventions used throughout this manual to help draw your attention to a feature or to focus on important information: When you see the Magnifying Glass, it refers to something you should take a closer look at before proceeding further. When you see the Exclamation Mark, it gives important information on avoiding damage.
Chapter 1: Quick Installation Chapter 1 Quick Installation We know that many experienced people prefer to read as little of the documentation as possible. If this sounds like you, here’s the short form to get up and running quickly. Installing the Twister LX 1. Make backup copies of your installation and configuration diskettes. STATIC! Before handling the Twister LX, be properly grounded by using a special wrist or ankle strap, or touch a safely grounded object. 2.
Chapter 1: Quick Installation Figure 1.1: Power-Up Screen 11. After you have configured the Main Setup menu, make any desired setting configurations in the Advanced and Security menu. When finished, go to the exit screen, select “Save Changes and Exit” and you are finished with the BIOS configuration (see Chapter 4).
Chapter 2: Configuring the Twister LX Chapter 2 Configuring the Twister LX Although the Twister LX system board is packaged in materials that are designed to protect it from physical damage and static electricity, it is important to use care while unpacking the board and setting it up. Static Electricity The Twister LX is shipped from the factory in an antistatic bag.
Chapter 2: Configuring the Twister LX Twister LX System Board Figure 2-1: Twister LX System Board Diagram 12 Twister LX System Board Manual
Chapter 2: Configuring the Twister LX Jumper Settings This section provides the jumper settings for the Twister LX system board. Table 2-1 lists the jumper settings to select the system speed settings.
Chapter 2: Configuring the Twister LX Table 2-3 lists the connector and peripheral connections. Connector J1 Function AGP Bus Expansion Slot Notes 62 x 2-pin connector J2-J4 DRAM (168-pin DIMM Sockets) 3.
Chapter 2: Configuring the Twister LX Connector Function Notes J28 CPU Fan 1 - Ground; 2 - +12V Power; 3 - Fan Speed Monitor J29 Chassis Fan 1 - Ground; 2 - 12+V Power; 3 - Status (Running or Stopped) J31 External Temperature Sensor Connector 1 - SMDATA; 2 - Ground; 3 - SMCLOCK; 4 - VCC; 5 - Board temperature interrupt J32 Chassis Intrusion Sensor Connector 1 - Battery Power (approx +3V); 2 - Trigger Input (pull to pin 1 voltage to indicate intrusion) J43-J44 ISA Bus Expansion Slots J45 S
Chapter 2: Configuring the Twister LX 16 Twister LX System Board Manual
Chapter 3: Installing the Twister LX Chapter 3 Installing the Twister LX Introduction This chapter explains how to install the Twister LX system board, memory, CPU and peripherals. WARNING: Before installing or removing any peripherals or components, make sure you have a clear work space and that you adhere to all anti-static precautions described in Chapter 1. Micronics recommends that only trained technicians install and configure the system board.
Chapter 3: Installing the Twister LX Installing the Twister LX Installation of the Twister LX system board depends on the type of case you use. The Twister LX is designed for the Baby AT form factor and may be installed into most cases. Install the system board into the chassis using the tools and equipment required and make all necessary case connections.
Chapter 3: Installing the Twister LX System Memory System memory is necessary to operate the Twister LX system board. The Twister LX has three 3.3V unbuffered 64/72-bit, 168-pin DIMM sockets for a maximum of 768MB of EDO memory and 384MB of SDRAM memory. This section list the rules for adding memory to the Twister LX, give some examples of common memory configurations and show how to physically install the memory.
Chapter 3: Installing the Twister LX Memory Configurations DIMM memory configuration is auto-banking and therefore does not need to be installed in any particular order. The following tables list the most common memory configurations.
Chapter 3: Installing the Twister LX Memory Bank 0 Bank 1 Bank 2 96MB 4Mx64 4Mx64 4Mx64 112MB 8Mx64 4Mx64 2Mx64 128MB 16Mx64 128MB 8Mx64 4Mx64 4Mx64 128MB 8Mx64 8Mx64 160MB 16Mx64 4Mx64 160MB 16Mx64 2Mx64 2Mx64 192MB 8Mx64 8Mx64 8Mx64 192MB 16Mx64 4Mx64 4Mx64 192MB 16Mx64 8Mx64 224MB 16Mx64 8Mx64 256MB 16Mx64 16Mx64 256MB 16Mx64 8Mx64 8Mx64 320MB 16Mx64 16Mx64 8Mx64 384MB 16Mx64 16Mx64 16Mx64 384MB 32Mx64 16Mx64 384MB 32Mx64 8Mx64 8Mx64 448MB
Chapter 3: Installing the Twister LX CPU Installation The Twister LX is designed to support single Pentium II processors. The Pentium II processor comes installed in a Single Edge Contact (SEC) cartridge that connects into "Slot 1" on the system board. A Retention Mechanism is supplied to anchor the processor to the system board. Attach the Retention Mechanism before inserting the processor.
Chapter 3: Installing the Twister LX 2. Place the Retention Base over the Slot 1 connector and insert it down into the Support Bridges with studs. Note the “Keyed” location of both Slot 1 and the Retention Base. Keyed Retention Base 3. Using a screwdriver, tighten all four sides of the Retention Base. Installing a CPU Follow the steps below to install the Pentium II processor: 1. Locate the Slot 1 connector (refer to Figure 2-1). 2.
Chapter 3: Installing the Twister LX 4. The Heatsink components consist of a top bar, base and two pins. Gently insert the Heatsink base into the holes next to the Slot 1 socket. Push down until the base snaps into place. Top Bar Pin Base Pin 5. Gently insert the processor cartridge down into the Retention Module, making sure the connector on the processor cartridge and the Slot 1 connector are aligned (refer to the keyed location on the previous page). 6.
Chapter 3: Installing the Twister LX CPU Installation Overview CPU Installation Overview 1. Mount the Retention Mechanism for the CPU. 2. Mount the (optional) heatsink support base onto the system board. 3. Slide the CPU into the Retention Mechanism. 3 4 4. Lock the CPU into the Retention mechanism using the tabs. 5. Slide in the Heat Sink Top Bar, then insert the pins to lock it in place.
Chapter 3: Installing the Twister LX CPU Installation (Boxed version) A boxed version of the CPU is offered through Intel. This packaging uses an active cooling fan. The mounting hardware is described below. For detailed instructions, please refer to the documentation that is supplied with your CPU. NOTE: Make sure the speed selection jumpers are set correctly (refer to Chapter 2 - Jumper Settings).
Chapter 3: Installing the Twister LX Installing DIMMs To install the DIMMs, locate the memory banks on the system board and perform the following steps: 1. Hold the DIMM so that the notched edge is aligned with the notch on the DIMM socket (Figure 3-1). 2. Insert the DIMM at a 90 degree angle. 3. Gently push the DIMM straight down until it locks into place (past the release tabs). Figure 3-3: Installing a 168-Pin DIMM Removing DIMMs To remove DIMMs, follow the steps below: 1.
Chapter 3: Installing the Twister LX Installing a PCI Peripheral Card Micronics PCI slots accommodate all PCI peripherals that meet the PCI 2.1 specifications. Follow the steps below to install a PCI card: 1. Turn the computer system off and remove its cover. 2. Choose an unused PCI slot and remove the slot cover. 3. Insert the card with the bottom edge level to the slot. Never insert the card at an angle. 4. Carefully push the card straight down, making sure the card is fully inserted. 5.
Chapter 3: Installing the Twister LX Installing an ISA Peripheral Card Micronics ISA slots accommodate all standard ISA peripherals. Follow the steps below to install an ISA card: 1. Turn the computer system off and remove its cover. 2. Choose an unused ISA slot and remove the slot cover. 3. Insert the card with the bottom edge level to the slot. Never insert the card at an angle. 4. Carefully push the card straight down, making sure the card is fully inserted. 5.
Chapter 3: Installing the Twister LX Installing an AGP Peripheral Card Micronics AGP slot can accommodate all AGP peripherals that meet the Intel AGP bus specifications. Follow the steps below to install an AGP card: 1. Turn the computer system off and remove its cover. 2. Locate the AGP slot (J1) and remove the slot cover. 3. Insert the card with the bottom edge level to the slot. Never insert the card at an angle. 4. Carefully push the card straight down, making sure the card is fully inserted. 5.
Chapter 4: The BIOS Setup Utility Chapter 4 The BIOS Setup Utility Configuration After the Twister LX system board and all hardware is installed, the system is ready for configuration. Before turning on the computer, make sure all cables are correctly connected and all jumpers are correctly set. We recommend that you keep the computer cover off the first time you boot the system. This makes it faster and easier to correct any difficulties that might arise. Initial Boot Up Power up the Twister LX.
Chapter 4: The BIOS Setup Utility When the system is turned on, it performs a memory test, and a BIOS identification and system information screen is displayed on your monitor, as shown in Figure 4-1. Figure 4-1: Power-Up Screen When “Press DEL to enter Setup” appears at the bottom of the screen, press the key to start the Setup program. The main CMOS Setup utility screen (Figure 4-2) appears. Note that the Setup program can only be activated during the boot sequence.
Chapter 4: The BIOS Setup Utility Running the Setup Program The Twister LX system board has six primary CMOS configuration screens: main setup menu, Standard CMOS Setup, BIOS Features Setup, Chipset Features Setup, PNP/PCI Configuration and Integrated Peripherals screen. In addition, there are four screens containing options that do not have to be set unless you want to: the Power Management Setup screen, the Supervisor Password, the User Password and the IDE HDD Auto Detection screen.
Chapter 4: The BIOS Setup Utility Standard CMOS Setup The STANDARD CMOS SETUP allows checking or modification of general configuration information. To access the STANDARD CMOS SETUP screen, highlight this option on the main menu screen and press . Figure 4-3. Standard CMOS Setup Screen Date and Time To set the date, use <→/←↑/↓> arrow keys to highlight the date and follow the same procedure to set the time. Hard Disks Setup The BIOS supports up to four IDE drives.
Chapter 4: The BIOS Setup Utility ing zone (LANDZ), number of sectors per track (SECTOR), and HDD mode (MODE). NOTE: We recommend that you select type Auto for all drives. Diskette A or B To configure a floppy drive added to or removed from your computer, use <→/←↑/↓> arrow keys to select the desired drive. Use the arrow keys to change the setting until it matches the floppy drive you installed. The BIOS supports 2.88MB, 1.44MB, 1.2MB, 720KB and 360KB floppy drives.
Chapter 4: The BIOS Setup Utility BIOS Features Setup This feature allows you to set the Award enhanced BIOS options of your choice. To access the BIOS FEATURES SETUP screen, highlight this option on the main menu screen and press . Figure 4-4: BIOS Features Setup Screen Virus Warning When enabled, the system BIOS will report a warning message if a program attempts to write to the boot sector or partition table of the hard disk drive. CPU Internal Cache This selection enables the internal CPU.
Chapter 4: The BIOS Setup Utility Quick Power-On Self-Test When enabled, this selection will reduce the amount of time required to run the Power-On Self-Test (POST). A quick POST skips certain steps. We recommend that you disable quick POST. The default setting is Enabled. Boot Sequence Boot Sequence selects the order in which the system searches for a boot disk. The default setting is A, C, SCSI. Swap Floppy Drive This selection can be set to remap the floppy drives.
Chapter 4: The BIOS Setup Utility Gate A20 Option Gate A20 refers to the way the system addresses memory above 1MB (extended memory). When set to Fast (default), the system chipset controls Gate A20. When set to Normal, a pin in the keyboard controller controls Gate A20. Setting Gate A20 to Fast improves system speed, particularly with OS/2 and Windows.
Chapter 4: The BIOS Setup Utility OS Select for DRAM>64MB This selection allows you to select the amount of memory installed for your operating system. The default setting is Non-OS2. Select OS2 only when running OS/2 operating systems with greater than 64MB of system memory. Video BIOS Shadow Enabling this selection allows you to shadow the BIOS on the video card for faster video performance. Some video cards do not support video BIOS shadowing. Disable this option if problems occur.
Chapter 4: The BIOS Setup Utility Chipset Features Setup The Chipset Features Setup allows you to program the Intel 430TX PCI chipset features. To access the CHIPSET FEATURES SETUP screen, highlight this option on the main menu screen and press . Figure 4-5: Chipset Features Setup Screen Auto Configuration Auto Configuration selects predetermined optimal values of the chipset parameters. When disabled, chipset parameters revert to setup information stored in CMOS.
Chapter 4: The BIOS Setup Utility MA Wait State Select the wait state before the beginning of a memory read. The default settings is Slow. EDO RAS# To CAS# Time This field applies only if EDO DRAM is installed in the system. It lets you insert a timing delay between the CAS and RAS strobe signals, used when DRAM is written to, read from, or refreshed. The default setting is 3.
Chapter 4: The BIOS Setup Utility CPU-To-PCI IDE Posting Select Enabled to post write cycles from the CPU to the PCI IDE interface. IDE accesses are posted in the CPU to PCI buffers, for cycle optimization. System BIOS Cacheable Selecting Enabled allows caching of the system BIOS ROM at F0000h-FFFFFh, resulting in better system performance. However, if any program writes to this memory area, a system error may result.
Chapter 4: The BIOS Setup Utility Passive Release When enabled, CPU to PCI bus accesses are allowed during passive release. Otherwise, the arbiter only accepts another PCI master access to local DRAM. Delay Transaction The chipset has an embedded 32-bit posted write buffer to support delay transaction cycles. Select Enabled to support compliance with PCI specification version 2.1. AGP Aperture Size (MB) Select the size of the Accelerated Graphics Port (AGP) aperture.
Chapter 4: The BIOS Setup Utility Power Management Setup The Power Management Setup option controls the power management functions of the system. To access the POWER MANAGEMENT SETUP screen, highlight this option on the main menu screen and press . Figure 4-6: Power Management Screen Power Management This selection allows you to select the type (or degree) of power saving for Sleep, Standby and Suspend modes. The options are: Maximum Power Savings, User Defined and Minimum Power Savings.
Chapter 4: The BIOS Setup Utility PM Control By APM When enabled, power management is controlled by the Advanced Power Management (APM) feature, which gives better power savings. The default setting is YES. Video OFF Method This selection defines the video off method in standby mode. The following table describes each option: SYNC+Blank System turns off vertical and horizontal synchronization ports and writes blanks to the video buffer.
Chapter 4: The BIOS Setup Utility Standby Mode After the selected period of system inactivity (1 minute to 1 hour), the fixed disk drive and the video shut off while all other devices still operate at full speed. Suspend Mode After the selected period of system inactivity (1 minute to 1 hour), all devices except the CPU shut off. HDD Power Down After the selected period of drive inactivity (1 to 15 minutes), the hard disk drive powers down while all other devices remain active.
Chapter 4: The BIOS Setup Utility IRQ 8 Clock Event Sets the monitoring of IRQ8 (Real Time Clock) so that it does not awaken the system from Suspend Mode. Reload Global Timer Events You can disable monitoring of common interrupt requests so they do not awaken the system from, or reset activity timers for Standby mode.
Chapter 4: The BIOS Setup Utility PnP/PCI Configuration Setup The PnP/PCI Configuration Setup option sets the various system functions and internal addresses of PnP and PCI devices and onboard PCI IDE controller. To access the PnP/PCI CONFIGURATION SETUP screen, highlight this option on the main menu screen and press . Figure 4-7: PnP/PCI Configuration Screen PnP OS Installed When set to Yes, this selection allows the system to work with a Plug and Play (PnP) operating system such as Windows 95.
Chapter 4: The BIOS Setup Utility devices. If you select Auto all the interrupt request (IRQ) and DMA assignment fields disappear, as the BIOS automatically assigns them. Reset Configuration Data Select Enabled to reset Extended System Configuration Data (ESCD) when you exit Setup. This selection allows the PnP BIOS to detect your PCI and ISA PnP devices and reallocate resources to them. The default setting is Disabled.
Chapter 4: The BIOS Setup Utility PCI IDE Map To Select PCI IDE IRQ mapping or PC AT (ISA) interrupts. Used Memory Base Address Select a base address for the memory area used by any peripheral that requires high memory. Used Memory Length Select a length of memory area specified by any peripheral that requires high memory. NOTE: This option is available only if Used Memory Base Address is not set at N/A.
Chapter 4: The BIOS Setup Utility Integrated Peripherals This option sets the addresses of I/O subsystems that depend on the integrated peripherals controller in your system. To access the INTEGRATED PERIPHERALS screen, highlight this option on the main menu screen and press . Figure 4-8: Integrated Peripherals Configuration Screen IDE HDD Block Mode Block mode is also called block transfer, multiple commands, or multiple sector read/write.
Chapter 4: The BIOS Setup Utility devices that the onboard IDE interface supports. Modes 0 through 4 provide successively increased performance. In Auto (default) mode, the system automatically determines the best mode for each device. IDE Primary/Secondary Master/Slave UDMA Set the UDMA (Ultra DMA/33) mode for the specified onboard IDE interface. Ultra DMA/33 is a hard drive interface protocol that increases the burst data transfer rate to 33MBytes per second.
Chapter 4: The BIOS Setup Utility Onboard Serial Port 1 and Serial Port 2 Select a logical COM port name and matching address for the first and second serial ports. UR2 Mode The second serial port offers the following Infrared interface modes: Standard, HPSIR: IrDA-compliant serial infrared port, and ASK-IR: Amplitude shift keyed infrared port. Standard mode is the default. Onboard Parallel Port Select an address and interrupt for the physical parallel (printer) port.
Chapter 4: The BIOS Setup Utility Supervisor Password The Supervisor Password utility allows you to setup, change or disable the password stored in the BIOS. The Supervisor Password allows access to the system Setup. To setup or change a password, highlight the SUPERVISOR PASSWORD option on the main menu screen and press . The password can be no more than eight characters long. The program will prompt you to confirm the new password before exiting and enabling the utility.
Chapter 4: The BIOS Setup Utility IDE HDD Auto Detection The IDE HDD Auto Detection option provides auto configuration of the hard drive installed in your system. To access the IDE HDD Auto Detection screen, highlight this option on the main menu screen and press . Figure 4-9: IDE HDD Auto Detection Screen The IDE HDD Auto Detection option provides auto configuration of the hard drive installed in your system. It supports LBA, Large and Normal modes.
Chapter 4: The BIOS Setup Utility HDD Low Level Format Micronics recommends that only trained technicians use this utility. This selection allows you to perform a low level format of your hard disk drive. To select the HDD LOW LEVEL FORMAT option, highlight this option on the main menu screen and press . Figure 4:10: HDD Low Level Format Screen The selections available are: Low Level Format Utility, Select Drive Bad Track List and Preformat.
Chapter 4: The BIOS Setup Utility Save and Exit Setup This selection saves the changes you have made in the setup program, then exits and reboots the system. After making all modifications in the setup program, exit to the main menu screen. Highlight the SAVE AND EXIT SETUP option and press . Press to confirm the changes made and or if additional modifications are needed before exiting the setup program.
Chapter 4: The BIOS Setup Utility 58 Twister LX System Board Manual
Chapter 5: Special Features Chapter 5 Special Features The Twister LX achieves high reliability and high performance with numerous features. Accelerated Graphics Port (AGP) With the introduction of the Pentium II and the 440LX AGPset, graphics took the next step onto the AGP freeway. The AGP bus is faster than the current 33MHz PCI bus. It provides a direct connection between the graphics subsystem and system memory. AGP, with dual 528MB/s data path, surpasses PCI’s 132MB bottleneck.
Chapter 5: Special Features Ultra DMA/33 IDE A hard drive interface protocol that increases the burst data transfer rate to 33MBytes per second. Prior to this protocol, Mode-4 protocol has been the fastest at 16.6MB per second. This new protocol is supported by Intel’s 430TX and 440LX PCIsets. Universal Serial Bus (USB) The simple and flexible way to connect devices to your desktop or notebook PC.
Appendix A: Technical Information Appendix A Specifications Part Number: 09-00338-xx Processor: Single Intel Slot 1 for Intel Pentium II 233, 266, 300, 333MHz. Integrated VRM CPU Clock Select: Support for 66 MHz CPU bus Chipset: Intel 440LX AGPset Intel PIIX 4 National PC87309 Enhanced Super I/O chip. Form Factor: Baby AT footprint (10.8” x 8.
Appendix A: Technical Information Keyboard/Mouse: AT keyboard connector PS/2 mouse 8-pin header via cable connector Memory Capacity: Three 3.
Appendix A: Technical Information Environmental Specifications The environment in which the Twister LX is located is critical. Micronics recommends the following environmental specifications: Temperature Range Operating: 50 to 104 degrees Fahrenheit (10 to 40 degrees Celsius). Non -Operating: 50 to 140 degrees Fahrenheit (10 to 60 degrees Celsius). Shipping: -22 to 140 degrees Fahrenheit (-30 to 60 degrees Celsius). Relative Humidity Operating: 20% to 80%. Non-Operating: 5% to 90%.
Appendix A: Technical Information Battery Disposal WARNING: Please do not open battery, dispose of in fire, recharge, put in backwards or mix with used or other battery types. The battery may explode or leak and cause personal injury.
Appendix A: Technical Information Support and Information Services Micronics offers a variety of support and information services to help you get the most from your product. The following services are available: ▲ Technical Support ▲ Electronic Bulletin Board Service (BBS) ▲ Return Materials Authorization (RMA) ▲ Fax-On-Demand ▲ World Wide Web ▲ Customer Service Refer to Table A-1 for details on these services.
Appendix A: Technical Information Service Hours Country Technical Support - Live phone help from Technical Support Engineers M-F: 7:00am to 5:00pm (PST) USA 24 hours a day 7 days a week USA Electronic Bulletin Board Service (BBS) - Information on software upgrades, new releases and other helpful information UK UK Telephone Number (510) 661-3000 (510) 651-6982 (Fax) +44 (1256) 844899 +44 (1256) 364222 (Fax) (510) 651-6837 14400 baud rate, Parity=N, Data Bits=8, Stop Bits=1 YMODEM and ZMODEM (reco
Appendix B: POST Messages Appendix B POST Messages The following table lists the Power On Self Test (POST) messages, possible causes and solutions. Message DISKETTE DRIVE A FAILURE Drive A failed or is missing. Possible Cause Check Setup and cable connections. Solution DISKETTE DRIVE B FAILURE Drive B failed or is missing. Check Setup and cable connections. EXTENDED RAM FAILED AT OFFSET: nnnn Extended memory not working or configured properly. Replace defective memory.
Appendix B: POST Messages Message 68 Possible Cause Solution MONITOR TYPE DOES NOT MATCH CMOS Monitor type not correctly identified in Setup. Run Setup and enter correct monitor type. OPERATING SYSTEM NOT FOUND Operating system cannot be located on Drive C: or Drive A: Check Setup to see if Drive A: and C: are properly configured, or put a bootable disk in Drive A: PARITY CHECK 1 nnnn Parity error found in the system bus. Check Setup. Board repair may be required.
Appendix C: Beep and POST Codes Appendix C Beep and POST Codes Beep codes are a series of beeps sent through the speaker which indicate a problem during the Power On Self Test (POST). If text appears on the video screen, the Twister LX has completed POST; any other tone from the speaker indicates something other than a POST error. These tones are not described in the tables on the following pages. The beep error codes are a series of beeps.
Appendix C: Beep and POST Codes Code 02 04 06 08 09 0A 0C OE OF 10 11 12 14 16 18 1A 1C 20 22 24 28 2A 2C 2E 32 34 35 37 38 39 3A 3C 3D 40 42 44 46 47 48 49 70 Beeps 2-2-3 3-1-1 3-1-3 3-4-1 3-4-3 2-1-2-3 POST Routine Description Verify Real Mode. Get CPU type. Initialize system hardware. Initialize chipset registers with initial POST values. Get in POST Reg. Initialize CPU registers. Initialize cache initial POST values. Initialize I/O. Initialize the localbus IDE. Initialize Power Management.
Appendix C: Beep and POST Codes Code 4A 4C 4E 50 51 52 54 56 58 5A 5C 60 62 64 66 68 6A 6C 6E 70 72 74 76 7C 7E 80 82 84 86 88 8A 8C 90 91 92 93 94 96 98 9A Beeps 2-2-3-1 POST Routine Description Initialize all video adapters in system. Shadow video BIOS ROM. Display copyright notice. Display CPU type and speed. Initialize EISA board. Test keyboard. Set key click if enabled. Enable keyboard. Test for unexpected interrupts. Display prompt “Press F2 to enter SETUP”. Test RAM between 512 and 640k.
Appendix C: Beep and POST Codes Code 9C 9E A0 A2 A4 A8 AA AC AE B0 B2 B4 B6 B8 BC BE BF C0 D0 D2 D4 D6 D8 DA DC E2 E3 E4 E5 E6 E7 E8 E9 EA EB EC ED EE 72 Beeps POST Routine Description Set up Power Management. Enable hardware interrupts. Set time of day. Check key lock. Initialize typematic rate. Erase F2 prompt. Scan for F2 keystroke. Enter SETUP. Clear in-POST flag. Check for errors. POST done - prepare to boot operating system. One beep. Check password (optional). Clear global descriptor table.
Appendix D: Updating the System BIOS Appendix D Updating the System BIOS The Micronics system boards are designed so that the BIOS can be reprogrammed using a BIOS file. You can easily FLASH a BIOS by following the steps below: 1. After downloading the appropriate BIOS file from our BBS or Website, extract it to a bootable MSDOS 6.X diskette. 2. Reboot your system with the MS-DOS 6.X diskette in the A: drive.
Appendix D: Updating the System BIOS 74 Twister LX System Board Manual
Appendix E: Warranties and Notices Appendix E Limited Warranty Except as described below, Micronics warrants the products to be free from defects in material and workmanship in normal use for a period of one (1) year from date of purchase. Should any product fail to perform according to this warranty at any time during the warranty period, except as provided below, Micronics or its authorized service centers will, at Micronics’ option, repair or replace the product at no additional charge.
Appendix E: Warranties and Notices but if for any reason that remedy should fail of its essential purpose, the exclusive remedy of the purchaser shall then be actual damages up to amounts paid for the defective product by the purchaser. This limited warranty shall be deemed to “fail of its essential purpose” if, after repeated efforts, Micronics is unable to make the product operate as warranted.
Appendix E: Warranties and Notices FCC Statement This equipment has been tested and found to comply within 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. This equipment generates, uses and can radiate radio frequency energy and, if not used in accordance with the instructions, may cause harmful interference to radio communications.
Glossary Glossary 16550 UART - A high speed chip for controlling serial ports. Although unnecessary for a mouse, it is required for modems that are 14,400 baud or faster. number of modules on the same system board. The buffered DIMMs come with standard DRAM chips for either 5V or 3.3V operation. AGP - Accelerated Graphics Port. A faster bus than the current 33MHz PCI bus, which will connect the graphics controller to system memory through the chipset.
Glossary CPU - An acronym for Central Processing Unit. A CPU performs arithmetic calculations, makes logical decisions, and directs the operation of the computer in conjunction with the operating system. DIMM - An acronym for Dual Inline Memory Module. A small printed circuit board containing memory chips. Disk Drive - A hardware device which provides for the storage of data on diskettes or hard metal disks that have a magnetic coating.
Glossary LM75 - The LM75 is a temperature sensor. The host can query the LM75 at any time to read the temperature. Its 3.0V to 5.5V supply voltage range, low supply current and I2C interface, make it ideal for a wide range of applications. LM79 - The LM79 is a highly integrated Data Acquisition system for hardware monitoring of servers, personal computers or virtually any microprocessor based system. In a PC, the LM79 can be used to monitor temperatures, power supply voltages and fan speeds.
Glossary Serial Port - A communications port used to connect peripherals such as modems and mice. Serial Presence Detect - Some SDRAM modules have an onboard EEPROM which contains critical configuration information about the module. This feature, known as Serial Presence Detect (SPD), allows the platform's chipset and BIOS to quickly determine the type of memory installed in the system, resulting in optimal system performance. Setup - A program that allows you to make changes to the system configuration.
Index Index B Battery Disposal - 60 POST Messages - 63 BIOS Configuration - 37 Setup - 37 Bulletin Board System (BBS) - 62 C Configuring the Twister LX- 11 CPU Box Version - 30 Installation - 20 Overview 29, 30 Retention Mechanism - 26 D Diagram (Twister LX) - 12 E Extended Data Out (EDO) Memory - 19, 21 Environmental Specifications - 59 Error Checking (ECC) - 19, 21 H Help Bulletin Board System (BBS) - 62 Telephone Numbers - 62 Troubleshooting - 63, 65 82 Twister LX System Board Manual
Index I Installation CPU - 24 Installing the Twister LX - 20 AGP Peripheral Card - 33 ISA Peripheral Card - 32 PCI Peripheral Card - 31 Quick Installation - 9 J Jumper Settings - 13 M Twister LX System Board Diagram - 12 Memory Configurations - 22 Installing - 25 Removing - 25 Supported - 21 O Online Services - 62 P POST Messages - 63 S Specifications - 57 System BIOS - 37, 71 Twister LX System Board Manual 83
Index T Technical Specifications - 57 Technical Support - 61 Troubleshooting - 63, 65 U Updating the System BIOS - 71 Utility Programs Utility Programs Advanced Screen - 44 BIOS Setup - 37 Boot Screen - 52 Exit Screen - 53 IDE Device Submenu - 42 Main Screen - 39 Security Screen - 47 W World Wide Web - 62 84 Twister LX System Board Manual
