Dell OptiPlex Gs Service Manual (.pdf)

Dell OptiPlex Gs Manual

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  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 1
    'HOOŠ 2SWL3OH[Š *VDQG*V6\VWHPV 6(59,&(0$18$/ ®
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 2
    . Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden. Trademarks used in this text: Dell, the DELL logo, and OptiPlex are registered trademarks of Dell Computer Corporation; Intel and Pentium are registered trademarks of Intel
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 3
    1-7 Built-In Video Controller 1-7 Built-In NIC 1-8 Floor Stand 1-8 Computer Service 1-9 System Power Supply 1-9 Pin Assignments for the DC Power Connectors 1-10 DC Power Distribution 1-11 System Board 1-16 Main Memory 1-16 System Board Jumpers 1-17 DMA Channel Assignments 1-18 Interrupt
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 4
    Chapter 2 Basic Troubleshooting 2-1 Initial User Contact 2-1 External Visual Inspection 2-2 Observing the Boot Routine 2-3 Internal Visual the Low-Profile System 4-1 Recommended Tools 4-1 Precautionary Measures 4-2 Computer Cover 4-3 Eject, Power, and Reset Buttons 4-4 Front-Panel Inserts
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 5
    SIMMs 4-16 Video Memory Chips 4-17 Microprocessor/Heat Sink Assembly 4-18 System Battery 4-20 System Board 4-21 Chapter 5 Removing and Replacing Parts in the Midsize System 5-1 Recommended Tools 5-1 Precautionary Measures 5-2 Floor Stand 5-3 Computer Cover 5-4 Eject, Power, and Reset
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    Computer), P3, P4, P5, and P6 (Midsize Computer 1-10 Figure 1-9. DC Power Connectors P2 (Low-Profile Computer) and P7 (Midsize Computer 1-11 Figure 1-10. DC Power Cables for the Low-Profile Computer SIMM Installation 4-16 Figure 4-16. Video-Memory Chip Removal 4-17 Figure 4-17. Microprocessor
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    Figure 5-1. Floor Stand Removal 5-3 Figure 5-2. Computer Cover Removal 5-4 Figure 5-3. Eject-, Power, and Reset-Button Removal SIMM Installation 5-18 Figure 5-19. Video-Memory Chip Removal 5-19 Figure 5-20. Microprocessor Securing-Clip Removal 5-20 Figure 5-21. Microprocessor and Heat Sink
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    x
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    xi
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    PC troubleshooting techniques. In addition to information provided in this manual and the User's Guide that came with the system, Dell provides the Diagnostics and Troubleshooting Guide for troubleshooting procedures and instructions on using the Dell diagnostics to test the computer system
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    xiii
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    xiv
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    frequencies for each of these computers are as follows: • Dell OptiPlex Gs and Gs+ 133 systems - 133 MHz derived from a system clock frequency of 66 MHz • Dell OptiPlex Gs and Gs+ 166 systems - 166 MHz derived from a system clock frequency of 66 MHz • Dell OptiPlex Gs and Gs+ 200 systems - 200 MHz
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    " in Chapter 2) For a complete list of system features, see "Technical Specifications" found later in this chapter. When following the text in this manual, assume that the location or direction relative to the computer is as shown in Figure 1-1. 1-2 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    Front-Panel Features CAUTION: To avoid possible data or file structure corruptions, the front-panel reset button should be used only when the computer cannot be rebooted by pressing . Before you use the reset button to initiate a hardware reset, close any open application programs
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    1 connector mouse connector keyboard connector serial port 2 connector NIC connector video connector expansion-card cage expansion-card slots (3) Figure 1-3. Internal View of the Low-Profile Computer 1-4 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    required memory space, IRQ lines, and DMA channels to any installed Plug and Play ISA expansion cards and PCI expansion cards the next time the computer is rebooted. Chapter 3, "Using the ISA Configuration Utility," in the Reference and Installation Guide describes the ICU and provides instructions
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    expansion-card slot, resulting in a total of five expansion-card slots (see Figure 1-6). HDLED connector Figure 1-6. Riser Board for the Midsize Computer ISA3 connector ISA2 connector ISA1 connector PCI3 connector PCI2 connector PCI1 connector 1-6 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    computer's boot drive should be connected to the primary EIDE interface. The secondary EIDE interface (IDE2) provides support for up to two additional EIDE devices, typically EIDE tape drives or CD and Installation Guide. Built-In memory built into the system board, with sockets for an additional 1 MB
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    ) or a mini tower (vertical) computer. The floor stand is optional on the low-profile computers and is included with the midsize computers. The floor stand can be attached to the left side of the computer to orient it as a mini tower computer. 1-8 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    VDC -10.80 to -13.20 VDC 0.3 A -5 VDC -4.50 to -5.50 VDC 0.3 A +5 VFP3 +4.75 to +5.25 VDC 10 mA 1 The combined load on the +5-VDC and +3.3-VDC outputs cannot exceed 105 W on the low-profile computer or 140 W on the midsize computer. 2 Withstands surges of up to 11.0 A to support disk start-up
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    (black) TFSC 3 (brown) PSON# 1 (grey) +5 VDC (red) 11 12 13 14 15 16 17 18 19 20 P1 1 2 3 4 5 6 7 8 9 10 +5 VDC (red) common (black) common (black) +5 VDC ( DC Power Connectors P2 (Midsize Computer), P3, P4, P5, and P6 (Midsize Computer) 1-10 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    and P7 (Midsize Computer) DC Power Distribution Figures 1-10 through 1-13 provide the following information about DC power distribution: • Power-supply connector identification • Power cable connections for diskette, tape, CD-ROM, and hard-disk drives • Power distribution to sockets and connectors
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    P1 P2 P4 P3 P5 Figure 1-10. DC Power Cables for the Low-Profile Computer 1-12 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    VDC +12 VDC -12 VDC ISA1 ISA2 optional P3 drive P4 3.5-inch diskette drive internal P5 hard-disk drive +12 VDC main memory sockets SIMM_A SIMM_B SIMM_C +5 VFP +5 VDC fuse +5 VDC SIMM_D +5 VDC MICROPROCESSOR processor core regulator +3.3 VDC core VCC +2.1 to +3.5 VDC FAN PANEL KYBD
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    P4 P5 P6 P3 P2 P1 P7 Figure 1-12. DC Power Cables for the Midsize Computer 1-14 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    -disk drive internal P3 hard-disk drive P4 3.5-inch diskette drive P5 optional drive P6 optional drive +12 VDC FAN main memory sockets SIMM_A +5 VFP +5 VDC SIMM_B SIMM_C fuse +5 VDC SIMM_D +5 VDC MICROPROCESSOR processor core regulator +3.3 VDC core VCC +2.1 to +3.5 VDC PANEL KYBD
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    (PARALLEL/SERIAL1) jumpers video memory socket (VMEM2) video memory socket (VMEM1) riser board connector (RISER) front of computer primary EIDE interface secondary EIDE for your system, for information on removing and replacing SIMMs. 1-16 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    System Board Jumpers See Figure 1-15 and Table 1-2 for jumper settings and descriptions. NICRST jumpered unjumpered Figure 1-15. System Board Jumpers System Overview 1-17
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    Description Settings 100, 150, Reserved and 120 Do not install a jumper. 133 Microprocessor Install jumper if the microprocessor's speed internal speed is 133 MHz; otherwise DMA controller DREQ5 Available DREQ6 Available DREQ7 Available 1-18 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    interrupt controller to enable IRQ8 through IRQ15. IRQ3 and IRQ4 Generated by super I/O controller to indicate that device connected to corresponding serial port requires service (IRQ3 for COM2 or COM4; IRQ4 for COM1 or COM3). IRQ5 Available for use by an expansion card. IRQ6 Generated by super
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    133 Interrupt levels 15 Flash EPROM (BIOS 1 Mb (128 KB) computer three (one ISA connector and one PCI connector share an expansion-card slot) NIC NIC (Gs+ systems integrated 3Com network controller attached to the ISA bus, operating at 10 Mb/sec 1-20 Dell OptiPlex Gs and Gs+ Systems Service Manual
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 33
    RAM 8 MB Maximum RAM 128 MB Built-in cache 256-KB pipelined burst SRAM BIOS address 0F0000h Drives Externally accessible bays: Low-profile computer . . . . one 3.5-inch bay for a 3.5-inch diskette drive; one 5.25-inch bay for a diskette drive, tape drive, or CD-ROM drive Midsize computer
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    Video memory computer 200 W Power-supply heat dissipation: Low-profile computer. . . . 808 BTUs (nominal) Midsize computer 913 BTUs (nominal) Power supply voltage 90 to 135 V at 60 Hz; 180 to 265 V at 50 Hz Backup battery 3-V CR2032 coin cell 1-22 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    43.69 cm (17.2 inches) Weight (minimum) 10.89 kg (24 lb) Midsize computer: Height 16.5 cm (6.5 inches) Width 41.9 cm (16.5 inches) Depth 44.5 for mini tower orientation) and bottom half-sine pulse with a velocity change of 20 inches/sec (50.8 cm/sec) Storage 27-G faired square wave with a
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    1-24 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    problem or indicate the correct starting point for troubleshooting the system. A brief explanation of how to load and start the diskette-based diagnostics is located at the end of the chapter. Dell a command incorrectly. Is the problem a result of user error? Yes. Instruct the user in the proper
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    parallel interface cables must be firmly attached to an appropriate connector on the back of the computer as well as to the interface connector on the device. The captive screws that secure sticking, it may be necessary to replace the keyboard. 2-2 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    times in order to complete all of these steps. To observe problem indications during the boot routine, follow these steps: 1. Insert the diagnostics diskette into drive A. Turn on all peripherals and the computer. NOTE: If the computer is already on, save and close all open files and application
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    either of these indicators fails to light up during the boot routine, troubleshoot the diskette drive or hard-disk drive subsystem, as simple visual inspection of a computer's interior hardware can often lead to the source of a problem, such as a loose Dell OptiPlex Gs and Gs+ Systems Service Manual
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    to verify that they are firmly attached to their appropriate connectors. 6. Reinstall the computer cover. 7. Reconnect the computer and any attached peripherals to their power sources, and turn them on. Does the problem appear to be resolved? Yes. No further steps are necessary. No. Proceed to
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    the diagnostics loads, a program tests the portion of main memory (RAM) required for loading the diagnostics. If a main memory error is detected, a message appears on the screen telling • RUN SPECIFIC TESTS - Tests a particular area or subsystem 2-6 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    diskette-based diagnostics reveals the source of the problem or leads to the proper troubleshooting steps for determining the source of the problem, call Dell for technical assistance. For instructions, see "Contacting Dell" in the online System User's Guide or the chapter titled "Getting Help" in
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    2-8 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    the POST, the system may emit a series of beeps that identifies the problem or that can help you identify a faulty component or assembly. Table codes indicate a fatal error that prevents the system from completing the boot routine until the indicated condition is corrected. When the system emits a
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    BIOS or defective system board 1-2-1 Programmable interval-timer Defective system board failure 1-2-2 DMA initialization failure 1-2-3 1-3-1 1-3-3 DMA page register write/ read failure Main-memory keyboard controller (defective system board) 3-2 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    failed No timer tick Defective system board 4-2-2 Shutdown failure 4-2-3 Gate A20 failure 4-2-4 4-3-1 4-3-3 4-3-4 4-4-1 4-4-2 4-4-3 4-4-4 Unexpected interrupt in protected mode Memory failure above address 0FFFFh Timer-chip counter 2 failure Time-of-day clock stopped Serial-port test failure
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    appear on the monitor screen. These messages can help you find the source of a problem. Some of these error messages indicate fatal errors. When a fatal error occurs, the failure • Timer chip counter 2 failed • Unexpected interrupt in protected mode 3-4 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    Messages Message Definition Probable Causes Address mark not found BIOS found faulty disk sector or could not find particular disk disk drive. Read/write failure during POST prevents system from using available memory. Diskette/tape drive controller could not locate specific sector or track.
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    connected, defective keyboard, or defective keyboard/mouse controller (defective system board). Keyboard controller failure Keyboard/mouse controller failed. Defective keyboard/ mouse controller (defective system board). 3-6 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    loose or improperly connected, defective keyboard, or defective keyboard/mouse controller (defective system board). Memory address line failure at address, read value expecting value During memory test, value read at address was incorrect. Faulty or improperly seated SIMMs or defective system
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    drive subsystem. Not a boot diskette No operating system on No operating system on diskette. diskette. Plug and Play Configuration Error System encountered problem in trying to configure one kette or hard-disk drive. or hard-disk drive. 3-8 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    Table 3-2. System Error Messages (Continued) Message Definition Probable Causes Seek error MS-DOS unable to locate specific track on diskette or hard-disk drive. Defective diskette or hard-disk drive. Seek operation failed System could not find Faulty diskette or hardparticular address mark
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    back up your data and replace your hard-disk drive by calling your support desk or Dell Computer Corporation. POST queried EIDE drive for status. Drive detected possible error conditions. or hard-disk drive. Faulty diskette or harddisk drive. 3-10 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    This chapter provides procedures for removing the components, assemblies, and subassemblies in the Dell OptiPlex Gs or Gs+ low-profile computer. If you are servicing a Dell OptiPlex Gs or Gs+ midsize computer, use Chapter 5, "Removing and Replacing Parts in the Midsize System." Unless otherwise
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    the potential for personal injury. 3. Disconnect any telephone or telecommunications lines from the computer. 4. Wear a wrist grounding strap, and clip it to an unpainted metal the back of the computer to discharge any static charge from your body. 4-2 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    two securing buttons until the cover is free to swing up. 3. Raise the back of the cover and pivot it toward the front of the computer. 4. Disengage the cover's hooks from the front of the chassis, and lift the cover away. Before you reinstall the cover, fold all cables out of
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    comes free. 3. To remove the power button and the reset button, use a small screw- driver to push in the two or three plastic clips that secure the buttons to the computer cover. When these clips are released, the buttons come free from the cover. 4-4 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    down) posts (2) ring-tabs (2) 5.25-inch frontpanel insert Figure 4-3. Front-Panel Insert Removal To remove a front-panel insert, follow these steps: 1. Lay the computer cover upside down on a flat work surface, with the front of the cover facing you. 2. From the front of the cover, use your
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    panel from the chassis. When you reinstall the control panel, be sure to put the right side of the control panel behind the mounting tab. 4-6 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    Drives Figure 4-5 shows an example of drive hardware that can be installed in the computer. Refer to this figure when you perform any of the procedures in the following subsections. DC power cable 3.5-inch diskette drive diskette/tape drive interface
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    you replace the 3.5-inch diskette drive, be sure the mounting holes on the right side of the drive engage the two hooks on the bracket. 4-8 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    the score marks on the bracket, and tighten the screws in the order stamped on the bottom of the bracket. Check the alignment of the computer cover around the 5.25-inch drive bezel. Adjust the drive forward or backward on the bracket to align it. Removing and Replacing Parts in the
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    Hard-Disk Drive Assembly tabs captive screw front of computer notches Figure 4-8. Hard-Disk Drive Assembly Removal To remove the hard-disk drive, follow these fully engage the notches on the chassis before you rotate the assembly into place. 4-10 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    System Power Supply power supply power-supply mounting screw Figure 4-9. System Power-Supply Removal To remove the system power supply, follow these steps: 1. Disconnect the AC power cable from the back of the power supply. 2. Disconnect the DC power cables from the system board and the drives. 3.
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    jumper video memory socket (VMEM2) video memory socket computer primary EIDE connector secondary EIDE connector (IDE1) (IDE2) diskette/tape drive interface connector (DSKT) control panel connector (PANEL) Figure 4-10. System Board Components 4-12 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    Expansion Cards The computer has a removable expansion-card cage. The expansion-card cage contains the riser board and any installed expansion cards. Dell recommends that you remove the expansion-card cage first before removing or installing expansion cards. If you are not removing any of the
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    the retaining screw from the card-mounting bracket. 4. Grasp the expansion card by its corners, and carefully remove it from the expansion-card connector. 4-14 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    Riser Board riser-board mounting screws (2) riser board riser-board alignment slot riser-board alignment feature expansion-card cage Figure 4-13. Riser Board Removal To remove the riser board, follow these steps: 1. Remove the expansion-card cage and all expansion cards. 2. Lay the expansion-card
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    the SIMM away from the socket. SIMM 3. 2. front of computer 1. Figure 4-15. SIMM Installation tabs (2) To replace a SIMM, place the SIMM fully into the socket at an angle. Pivot the SIMM upward until the tabs lock the SIMM into the socket. 4-16 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    card cage. 2. Using a chip removal tool, remove the video memory chip. Pull straight up on the video memory chip, being careful not to bend the pins on the chip. When you replace the video memory chip, be sure to orient pin 1 of the video memory chip with pin 1 of the socket. Removing and Replacing
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    microprocessor-socket release lever to rotate the lever to its fully vertical position (see Figure 4-18). 3. Lift the microprocessor chip out of its socket. 4-18 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    heat sink pin-1 corner of socket microprocessorsocket release lever thermal interface pad (attached to underside of heat sink) microprocessor front of computer right tab Figure 4-18. Microprocessor and Heat Sink Assembly If the replacement heat sink and microprocessor are separate, peel the
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    equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions. To remove the system battery, follow these steps: 1. If possible, enter system configuration information using the printed copy. 4-20 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    20. System Board Removal To remove the system board, follow these steps: 1. Disconnect all cables from their connectors at the back of the computer. board). If you are replacing a system board, remove any SIMMs, video memory chips, and the microprocessor from the old system board and install them on
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    4-22 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    This chapter provides procedures for removing the components, assemblies, and subassemblies in the Dell OptiPlex Gs or Gs+ midsize computer. If you are servicing a Dell OptiPlex Gs or Gs+ low-profile computer, use Chapter 4, "Removing and Replacing Parts in the Low-Profile System." Unless otherwise
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 78
    the potential for personal injury. 3. Disconnect any telephone or telecommunications lines from the computer. 4. Wear a wrist grounding strap, and clip it to an unpainted metal the back of the computer to discharge any static charge from your body. 5-2 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    Floor Stand floor stand screw Figure 5-1. Floor Stand Removal To remove the floor stand, follow these steps: 1. Place the right side of the computer on a flat work surface. 2. Unscrew the floor stand screw. Use your fingers or a wide flat-blade screwdriver to unscrew the floor stand screw. 3. Pull
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    the cover, fold all cables out of the way so that they do not interfere with the cover or with the proper airflow inside the computer. 5-4 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    button eject button Figure 5-3. Eject-, Power, and Reset-Button Removal To remove the eject, power, and reset buttons, follow these steps: 1. Lay the computer cover upside down on a flat work surface, with the back of the cover facing you. 2. To remove the 3.5-inch diskette-drive eject button
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    5-4. Front-Panel Insert Removal To remove a front-panel insert, follow these steps: 1. Lay the computer cover upside down on a flat work surface, with the front of the cover facing you. 2. From , use a 1/4-inch nutdriver to secure the ringtabs. 5-6 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    Control Panel control panel cable Figure 5-5. Control Panel Removal chassis hooks (2) screw control panel To remove the control panel, follow these steps: 1. Remove the hard-disk drive bracket. 2. Disconnect the control panel cable from the PANEL connector on the system board (see Figure 5-13).
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    rotated) DC power cable diskette/tape drive interface cable 3.5-inch diskette drive EIDE CD-ROM/tape drive cable hard-disk drive bracket DSKT connector primary EIDE connector (IDE1) secondary EIDE connector (IDE2) Figure 5-6. Drive Hardware 5-8 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    Externally Accessible Drive Assemblies bracket-mounting screw drive-mounting screws (2) hooks (2) Figure 5-7. 3.5-Inch Diskette-Drive Assembly Removal To remove the 3.5-inch diskette drive, follow these steps: 1. Disconnect the DC power cable and the interface cable from the back of the 3.5-inch
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    at the front of the drive bracket. Insert the four screws and tighten them in the order stamped on the bottom of the bracket. 5-10 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    front of the bracket, and rotate the bracket up until its tab disengages from the chassis. 4. Lift the hard-disk drive bracket out of the computer. When you reinstall the hard-disk drive bracket, place the lower-back tab of the bracket into position; make sure that the opening in the
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    to the hard-disk drive bracket at the bottom of the hard-disk drive. 3. Slide the drive out of the hard-disk drive bracket. 5-12 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    , and move it to the right to disengage the system power supply from the slot in the chassis. 5. Lift the system power supply from the computer. Removing and Replacing Parts in the Midsize System 5-13
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    sockets (4) (SIMM_A through SIMM_D) video memory socket (VMEM1) riser board connector (RISER) front of computer primary EIDE connector secondary EIDE connector (IDE1 DSKT) control panel connector (PANEL) Figure 5-13. System Board Components 5-14 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    Expansion Cards The computer has a removable expansion-card cage. The expansion-card cage contains the riser board and any installed expansion cards. Dell recommends that you remove the expansion-card cage first before removing or installing expansion cards. If you are not removing any of the
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    the retaining screw from the card-mounting bracket. 4. Grasp the expansion card by its corners, and carefully remove it from the expansion-card connector. 5-16 Dell OptiPlex Gs and Gs+ Systems Service Manual
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    Riser Board mounting screws (2) slots (2) expansion-card cage riser board Figure 5-16. Riser Board Removal To remove the riser board, follow these steps: 1. Remove the expansion-card cage and all expansion cards. 2. Lay the expansion-card cage on a flat work surface with the riser board facing
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 94
    the SIMM away from the socket. SIMM 3. 2. front of computer 1. Figure 5-18. SIMM Installation tabs (2) To replace a SIMM, place the SIMM fully into the socket at an angle. Pivot the SIMM upward until the tabs lock the SIMM into the socket. 5-18 Dell OptiPlex Gs and Gs+ Systems Service Manual
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 95
    card cage. 2. Using a chip removal tool, remove the video memory chip. Pull straight up on the video memory chip, being careful not to bend the pins on the chip. When you replace the video memory chip, be sure to orient pin 1 of the video memory chip with pin 1 of the socket. Removing and Replacing
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 96
    to release clip microprocessor securing clip (hooks over tabs on the socket) Figure 5-20. Microprocessor Securing-Clip Removal To remove the microprocessor/heat sink assembly, follow these steps ). 4. Lift the microprocessor chip out of its socket. 5-20 Dell OptiPlex Gs and Gs+ Systems Service Manual
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 97
    microprocessor-socket release lever pin-1 corner of socket thermal interface pad (attached to underside of heat sink) microprocessor front of computer right tab Figure 5-21. Microprocessor and Heat Sink Assembly If the replacement heat sink and microprocessor are separate, peel the thermalpad
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 98
    or equivalent type recommended by the manufacturer. Discard used batteries according to the manufacturer's instructions. To remove the system battery, follow these steps: 1. If possible, enter configuration information using the printed copy. 5-22 Dell OptiPlex Gs and Gs+ Systems Service Manual
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 99
    steps: 1. Disconnect all cables from their connectors at the back of the computer. 2. Remove the expansion-card cage. 3. Unlatch and rotate the power ). If you are replacing a system board, remove any SIMMs, video memory chips, and the microprocessor from the old system board and install them on
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 100
    5-24 Dell OptiPlex Gs and Gs+ Systems Service Manual
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 101
    ALT> immediately after the computer's speaker emits a beep. If you wait too long and the operating system begins to load into memory, let the system complete the of entering the System Setup program is to shut down the system, boot from an MS-DOS diskette, and then press .
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 102
    : External Cache: Video Memory: System Memory: Service Tag: Asset Tag: Pentium-166 256 KB 2 MB 16 MB (EDO) XXXXX XXXXX Tab,Shift-Tab change fields change values Alt-P next Esc exit Alt-B reboot Page 2 of 2 Dell Computer Corporation System OptiPlex Gs+ 5166M Setup BIOS Version: XXX Keyboard
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 103
    of drives in computer. Tape drives are not reflected in these categories. DRIVE A LOCATION Identifies which diskette drive is used as the boot drive. DRIVES: PRIMARY SECONDARY Identifies drives attached to the IDE1 and IDE2 connectors on system board. Each EIDE connector supports two EIDE drives
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 104
    all EIDE hard-disk drives support this feature. Enabling this feature for drives that do not support it may cause the instructions. NIC Enables (ON) or disables (OFF) the NIC. MOUSE Enables or disables the built-in PS/2compatible mouse port. A-4 Dell OptiPlex Gs and Gs+ Systems Service Manual
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 105
    be set to 378H (the default), 3BCH, 278H, or to OFF to disable the port. PARALLEL MODE HARD DISK DISKETTE SPEAKER MICROPROCESSOR EXTERNAL CACHE VIDEO MEMORY SYSTEM MEMORY SERVICE TAG ASSET TAG NOTE: Do not set the port to 278H if you have an ECP device attached to the port. Controls whether system
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 106
    A-6 Dell OptiPlex Gs and Gs+ Systems Service Manual
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 107
    removal, 4-9, 5-10 B battery removal, 4-20, 5-22 beep codes, 3-1 boot routine, observing when trouble- shooting, 2-3 C CD-ROM drive removal, 4-9, 5-10 computer cover removal, 4-3, 5-4 orientation, 1-3 technical specifications, 1-20 connectors on back of low-profile computer, 1-4 on back of midsize
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 108
    button removal, 4-4, 5-5 power supply about, 1-9 cables, low-profile computer, 1-12 cables, midsize computer, 1-14 power distribution, low-profile computer, 1-13 power distribution, midsize computer, 1-15 removal, 4-11, 5-13 voltage ranges, 1-9 2 Dell OptiPlex Gs and Gs+ Systems Service Manual
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 109
    sizes, 1-16 specifications, 1-20 subsystems EIDE, 1-7 expansion, 1-5 memory, 1-16 network controller, 1-8 video, 1-7 system battery removal, 4-20, 5-22 system board computer T tape drive removal, 4-9, 5-10 technical specifications, 1-20 tools, recommended, 4-1, 5-1 troubleshooting boot routine
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 110
  • Dell OptiPlex Gs | Service Manual (.pdf) - Page 111
    ® Printed in the U.S.A. P/N 93817
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