Dell™ Dimension™ 4600C Service Manual Before You Begin Technical Overview Technical Specifications Advanced Troubleshooting System Setup Program Removing and Installing Parts Notes, Notices, and Cautions NOTE: A NOTE indicates important information that helps you make better use of your computer. NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death.
Back to Contents Page Advanced Troubleshooting Dell™ Dimension™ 4600C Service Manual Diagnostic Lights Beep Codes System Messages Diagnostic Lights To help you troubleshoot a problem, your computer is equipped with four lights on the back panel labeled "A," "B," "C," and "D." These lights can be yellow or green. When the computer starts normally, the lights flash. After the computer starts, all four lights will display solid green.
reinstall one memory module (if the computer supports a single module), and then restart the computer. If the computer starts normally, move the memory module to a different connector and restart the computer. Continue until you have identified a faulty connector or reinstalled all modules without error. Memory modules are detected, but a memory configuration or compatibility error exists. l l l Other failure has occurred. l l The computer is in a normal operating condition after POST.
3-4-3 Search for video ROM failure 4-2-1 No time tick 4-2-2 Shutdown failure 4-2-3 Gate A20 failure 4-2-4 Unexpected interrupt in protected mode 4-3-3 Timer-chip counter 2 failure 4-3-4 Time-of-day clock stopped 4-4-1 Serial or parallel port test failure 4-4-4 Cache test failure System Messages NOTE: If the message you received is not listed in the following table, see the documentation for either the operating system or the program that was running when the message appeared.
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Back to Contents Page Battery CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual or Product Information Guide. A coin-cell battery maintains computer configuration, date, and time information. The battery can last several years. If you have to repeatedly reset time and date information after turning on the computer, replace the battery. CAUTION: A new battery can explode if it is incorrectly installed.
13. Connect your computer and devices to electrical outlets, and turn them on. 14. Enter system setup and restore the settings you recorded in step 1. 15. Properly dispose of the old battery. See the safety instructions in the Owner's Manual or Product Information Guide.
Back to Contents Page Before You Begin Dell™ Dimension™ 4600C Service Manual Getting Started This section provides procedures for removing and replacing the components, assemblies, and subassemblies in the Dell™ Dimension™ 4600C computer. Unless otherwise noted, each procedure assumes that the following conditions exist: l You have performed the steps in "Precautionary Measures." l You have read the safety information in your Product Information Guide. l You have opened the computer cover.
Protecting Against Electrostatic Discharge Static electricity can harm delicate components inside your computer. To prevent static damage, discharge static electricity from your body before you touch any of your computer's electronic components, such as the microprocessor. You can do so by touching an unpainted metal surface on the computer chassis. As you continue to work inside the computer, periodically touch an unpainted metal surface to remove any static charge your body may have accumulated.
Back to Contents Page Dell™ Dimension™ 4600C Service Manual Closing the Computer Cover Closing the Computer Cover 1. Ensure that all cables are connected, and fold cables out of the way. Gently pull the power cables toward you so that they do not get caught underneath the drives. 2. Ensure that no tools or extra parts are left inside the computer. 3. Close the cover: 4. a. Pivot the cover down. b. Press down on the right side of the cover until it closes. c.
Back to Contents Page Dell™ Dimension™ 4600C Service Manual Opening the Computer Cover Opening the Computer Cover CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in your Owner's Manual or Product Information Guide. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover. 1. Shut down the computer through the Start menu.
Back to Contents Page I/O Panel Removing the I/O Panel CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual or Product Information Guide. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover. 1. 2. Shut down the computer through the Start menu. Ensure that your computer and attached devices are turned off.
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Back to Contents Page Adding Memory You can increase your computer memory by installing memory modules on the system board. For information on the type of memory supported by your computer, see "Memory" in "Technical Specifications." NOTE: DDR 333 memory operates at 320 MHz when used with an 800-MHz front-side bus microprocessor. DDR Memory Overview DDR memory modules should be installed in pairs of matched memory size.
8. Align the notch on the bottom of the module with the crossbar in the connector. NOTICE: To avoid damage to the memory module, press the module straight down into the connector while you apply equal force to each end of the module. 9. Insert the module into the connector until the module snaps into position. If you insert the module correctly, the securing clips snap into the cutouts at each end of the module. 10. Close the computer cover. 11. Attach the computer stand (optional).
down your computer, turn them off now. NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack. 3. Disconnect any telephone or telecommunication lines from the computer. 4. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board. 5. Remove the computer stand, if it is attached.
Back to Contents Page Removing and Installing Parts Dell™ Dimension™ 4600C Service Manual Reattaching the Front Door Drives Adding PC Cards (Optional) Microprocessor Cards System Board AGP Card Power Supply Adding Memory Battery I/O Panel Back to Contents Page
Back to Contents Page Adding PC Cards (Optional) CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual or Product Information Guide. You can add PC Cards to computers with integrated PC Card connectors. PC Card Types NOTE: "Type" of card refers to its thickness, not its functionality. The PC Card slot has two connectors that support the following four combinations of cards. NOTE: Your computer is designed for either 5-V or 3.
Removing a PC Card NOTICE: Use the PC Card configuration utility on the taskbar to select and stop a card from functioning before you remove it from the computer. If you do not remove the card in the configuration utility, you could lose data from open programs. NOTE: Press the button with the upper dot to eject the top card and the button with the lower dot to eject the bottom card. NOTICE: Do not attempt to eject a card by pulling its dongle, if one is attached.
Back to Contents Page Power Supply Removing the Power Supply CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual or Product Information Guide. 1. 2. Shut down the computer through the Start menu. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your computer, turn them off now.
1. Slide the power supply into place. 2. Reconnect the DC power cables. 3. Connect the AC power cable to the power supply connector. 4. Run the cables underneath the clips, and press the clips to close them over the cables. 5. Close the computer cover. 6. Attach the computer stand (optional). NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer. 7. Connect your computer and devices to electrical outlets, and turn them on.
Back to Contents Page Reattaching the Front Door To prevent damage to your computer, the front door is designed to "break away" if it is opened too far. To reattach the front door: 1. 2. Shut down the computer through the Start menu. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your computer, turn them off now.
Back to Contents Page AGP Card CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual or Product Information Guide. Your Dell™ computer provides a connector for an AGP card. 1. 2. Shut down the computer through the Start menu. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your computer, turn them off now.
Installing an AGP Card NOTE: If you purchased the optional video card, ensure that you connected your monitor cable to the correct video connector. NOTICE: You must use low-profile cards for your computer. A full-size card can damage the computer or the card. 1. To add or replace the card, slide the card clip toward the front of the computer to ensure that the clip is unlocked. 2. Gently press the card into the AGP connector until it is fully seated. 3.
Back to Contents Page Cards CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual or Product Information Guide. Your Dell™ computer provides a slot for one low-profile, 32-bit, 33-MHz card. If you are installing or replacing a card, follow the procedures in the next section. If you are removing but not replacing a card, skip to "Removing a Card." 1.
If necessary, disconnect any cables connected to the card. Grasp the card by its top corners, and ease it out of its connector. 4. Prepare the card for installation. See the documentation that came with the card for information on configuring the card, making internal connections, or otherwise customizing it for your computer. CAUTION: Some network adapters automatically start the computer when they are connected to a network.
4. If you are removing the card permanently, install a filler bracket in the empty card-slot opening. If you need a filler bracket, see "Contacting Dell" in your Owner's Manual. NOTE: Installing filler brackets over empty card-slot openings is necessary to maintain FCC certification of the computer. The brackets also keep dust and dirt out of your computer. 5. Lower the retention arm and press it into place. 6. Close the computer cover. 7. Attach the computer stand (optional).
Back to Contents Page Drives Your computer supports: l One hard drive (IDE, serial ATA) l One optional PC Card module l One CD or DVD drive Hard Drive CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual or Product Information Guide. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover. NOTICE: To avoid damage to the drive, do not set it on a hard surface.
2. Press in on the tabs on each side of the drive, slide the drive toward the I/O panel, and then remove the drive from the computer. Installing a Hard Drive 1. 2. Unpack the replacement hard drive and prepare it for installation. If your replacement hard drive does not have the bracket rails attached, remove the rails from the old drive by removing the two screws that secure each rail to the drive.
5. Check all connectors to be certain that they are properly cabled and firmly seated. 6. Close the computer cover. 7. Attach the computer stand (optional). NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer. 8. Connect your computer and devices to electrical outlets, and turn them on. See the documentation that came with the drive for instructions on installing any software required for drive operation.
Removing a PC Card Module 1. Remove the interposer board from the CD/DVD drive. 2. Remove the power cable from the PC Card module's power connector. 3. Remove the PC Card module by pressing the green tabs on either side of the drive and lifting the module up. 4. Remove the PC Card module's flat data cable. Installing a PC Card Module 1. Attach the PC Card module's flat data cable to the module's data connector. 2.
See the documentation that came with the module for instructions on installing any software required for module operation. CD/DVD Drive CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual or Product Information Guide. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover. 1. Shut down the computer through the Start menu. 2. Turn off your computer and any devices. 3.
Installing a CD/DVD Drive 1. Unpack the drive and prepare it for installation. Check the documentation that accompanied the drive to verify that the drive is configured for your computer. If you are installing an IDE drive, configure the drive for the cable select setting. 2. Gently slide the drive into place until the tabs securely click into position. 3. Connect the interposer board to the drive: a. Ensure that the interposer board tab fits securely under the notch on the inside of the cover. b.
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Back to Contents Page Microprocessor Removing the Microprocessor CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual or Product Information Guide. 1. 2. Shut down the computer through the Start menu. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your computer, turn them off now.
10. Remove the two screws on the blower to remove it from the heat sink. NOTICE: Do not discard the blower. You will reuse it. If you are installing a microprocessor upgrade kit from Dell, discard the original heat sink. If you are not installing a microprocessor upgrade kit from Dell, reuse the original heat sink when you install your new microprocessor. NOTICE: Be careful not to bend any of the pins when you remove the microprocessor from the socket.
4. Set the microprocessor lightly in the socket and ensure that all pins are headed into the correct holes. Do not use force, which could bend the pins if the microprocessor is misaligned. When the microprocessor is positioned correctly, press it with minimal pressure to seat it. 5. When the microprocessor is fully seated in the socket, pivot the release lever back toward the socket until it snaps into place to secure the microprocessor.
Back to Contents Page Technical Specifications Dell™ Dimension™ 4600C Service Manual Microprocessor System Information Expansion Bus Memory Drives Ports and Connectors Video Audio Network Controls and Lights Power Physical Environmental Microprocessor Microprocessor type Intel® Pentium® 4 with HT Technology that runs at 2.40, 2.60, 2.80, 3.00, or 3.20 GHz internally and 800 MHz externally or 2.26, 2.40, 2.53, 2.66, 2.80, or 3.
Memory type 333-MHz DDR SDRAM (non-ECC) NOTE: DDR 333 memory performs at 266 MHz on 400 front- side bus processors. Drives Externally accessible one slimline optical bay one slimline 3.
Physical Height x Width x Depth 32.3 x 9.5 x 35.6 cm (12.7 x 3.8 x 14.0 inches) (With stand) 33.8 x 18.0 x 35.6 cm (13.3 x 7.1 x 14.0 inches) Weight 7.43 kg (16.4 lbs) Environmental Temperature: Operating 10º to 35ºC (50º to 95ºF) NOTE: At 35°C (95°F), the maximum operating altitude is 914 m (3000 ft). Storage Relative humidity –40º to 65ºC (–40º to 149ºF) 20% to 80% (noncondensing) Maximum vibration: Operating 0.25 G at 3 to 200 Hz at 1/2 octave/min Storage 0.
Back to Contents Page Dell™ Dimension™ 4600C Service Manual Attaching and Removing the Computer Stand Attaching and Removing the Computer Stand To attach the stand, perform the following steps. NOTE: Place your computer on a soft surface to prevent scratching of the top cover. 1. Rotate the computer to an upside-down position. 2. Insert the screw into the bottom of the stand. 3. Align the two tabs and the screw in the stand with the tab holes and screw hole in the bottom of the computer. 4.
To remove the stand, perform the following steps. NOTE: Place your computer on a soft surface to prevent scratching of the top cover. 1. Turn the computer over so that the stand is at the top. 2. Loosen the screw and lift the stand away. 3. Place the computer in a horizontal position until you reattach the stand.
Back to Contents Page System Board Removing the System Board CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual or Product Information Guide. 1. 2. Shut down the computer through the Start menu. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your computer, turn them off now.
CAUTION: The heat-sink assembly and microprocessor package can get hot. To avoid burns, ensure that the assembly and package have had sufficient time to cool before you touch them. b. Remove the heat-sink assembly and microprocessor package from the existing system board and transfer them to the replacement system board. 2. Configure the settings of the replacement system board. 3. Set the jumpers on the replacement system board so they are identical to the ones on the existing board.
Back to Contents Page System Setup Program Dell™ Dimension™ 4600C Service Manual Overview Entering the System Setup Program Clearing Forgotten Passwords Overview The system setup program contains the standard settings for your computer. NOTICE: Unless you are an expert computer user, do not change the settings for this program. Certain changes might make your computer work incorrectly.
System Setup Screens The system setup program screens display the current configuration information for your computer. Information on the screen is divided into five areas: l Title — The box at the top of all screens that lists the computer name. l Computer data — Two boxes below the title box that display your computer processor, L2 cache, service tag, and the version number of the BIOS.
Asset Tag Displays asset tag information. The following table shows Drive Configuration option information. Diskette Drive A: SATA Primary Drive: Sets the status of a floppy drive. The default is 3.5 inch, 1.44 MB. If no device is attached as SATA primary drive, then Off is displayed. If a device is attached, the type of drive is displayed. If is pressed, device information is displayed and the drive type can be set as Auto (default) or Off.
Low Power Mode Minimizes power use when the computer is off. The default is Disabled. The following table shows System Security option information. Option Function Password Status Locks and unlocks the password option. The default is Unlocked. System Password Enables and disables the system password. The default is Not Enabled. Setup Password Enables and disables the setup password. The default is Not Enabled. POST Hotkeys Selects key that are active during POST. The default is F2 and F12.
Turning on your computer with password jumper PWD1 installed reenables the password feature.
Back to Contents Page Technical Overview Dell™ Dimension™ 4600C Service Manual Internal View System Board Connectors and Sockets Power Supply DC Power Connectors IDE Interface Cable Connections for Dell-Installed Drives Serial ATA Interface Cable Connections for Dell-Installed Drives (Optional) Placement of Dell-Installed Cards Internal View CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Owner's Manual or Product Information Guide.
Power Supply The 160-W power supply can operate from an AC power source supplying 90-135 VAC or 180-265 VAC at 47-63 Hz. The power supply provides the DC operating voltages and currents listed in the following table. Output Voltage1 Regulation Minimum Current (A) Maximum Current (A)2 11.03 +12 VDC +/–5% +5 VDC +/–5% +3.3 VDC +/–5% 0.1/0.0 9.0 –12 VDC +/–10% 0.0 0.5 +5 VFP +/–5% 0.0 2.0 1 Outputs 0.0 1.0/0.2 4 5 11.
DC Power Connector P1 Pin Number Signal name 18-AWG Wire 1 +3.3 VDC Orange 2 +3.3 VDC Orange 3 COM Black 4 +5 VDC Red 5 COM Black 6 +5 VDC Red 7 COM Black 8 POK Gray 9 +5 VFP Purple 10 +12 VDC Yellow 11 +3.3 VDC* Orange 12 –12 VDC Blue 13 COM Black 14 PS ON Green 15 COM Black 16 COM Black 17 COM Black 18 +5 VDC N/C 19 +5 VCD Red 20 +5 VCD Red * Sense connector.
Pin Number Signal Name 18-AWG Wire 1 COM Black 2 COM Black 3 +12 VDC Yellow 4 +12 VDC Yellow DC Power Connector P3 Pin Number Signal Name 18-AWG Wire 1 +12 VCD Yellow 2 COM Black 3 COM Black 4 +5 VDC Red DC Power Connectors P4 and P5 Pin Number Signal Name 22-AWG Wire 1 +5 VCD Red 2 COM Black 3 COM Black 4 +12 VDC Yellow DC Power Connector P6 Pin Number Signal Name 18-AWG Wire 1 N/C N/C 2 COM Black 3 COM Black 4 +3.
5 +5 VDC Red 6 +12 VDC Yellow IDE Interface Cable Connections for Dell-Installed Drives IDE Channel IDE Connector Location DellInstalled Drive Primary IDE master End connector on IDE1 connector cable Hard drive Secondary IDE master End connector on IDE2 connector cable CD or DVD drive Serial ATA Interface Cable Connections for Dell-Installed Drives (Optional) Serial ATA Channel Primary Serial ATA master Connector Location End connector on serial ATA connector cable DellInstalled Drive H
Back to Contents Page Dell™ Dimension™ 4600C Service Manual NOTE: A NOTE indicates important information that helps you make better use of your computer. NOTICE: A NOTICE indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. CAUTION: A CAUTION indicates a potential for property damage, personal injury, or death. For a complete list of abbreviations and acronyms, see the Tell Me How help file.
Back to Contents Page Dell™ Dimension™ 4600C Service Manual Turning Off Your Computer Turning Off Your Computer NOTICE: To avoid losing data, turn off your computer by performing a Microsoft® Windows® operating system shutdown, as described next, rather than by pressing the power button. NOTE: As an alternative to turning off your computer, you can set your computer to enter standby or hibernate mode.
