Dell OptiPlex GX100 Service Manual

Dell OptiPlex GX100 Manual

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  • Dell OptiPlex GX100 | Service Manual - Page 1
    Dell™ OptiPlex™ GX100 Systems Service Manual Small-Form-Factor Chassis - Removing and Replacing Parts Low-Profile Chassis - Removing and Replacing Parts Mini Tower Chassis - Removing and Replacing Parts Notes, Notices, and Cautions Throughout this guide how to avoid the problem. CAUTION: A CAUTION
  • Dell OptiPlex GX100 | Service Manual - Page 2
    Low-Profile Chassis - Removing and Replacing Parts: Dell™ OptiPlex™ GX100 Systems Service Manual Overview Precautionary Measures Computer Cover Front-Panel Inserts Chassis Intrusion Switch System Power Supply System Board Components Expansion Cards l 1/4-inch nut driver Also, use a wrist
  • Dell OptiPlex GX100 | Service Manual - Page 3
    shows a top view of the low-profile chassis to help you orient yourself when you work inside the computer. Figure 1. Low-Profile Chassis Orientation View 1 System board 2 Hard-disk drive 3 Power supply 4 Externally accessible drive bays Figure 2 shows the low-profile chassis with the cover removed
  • Dell OptiPlex GX100 | Service Manual - Page 4
    the chassis, and lift the cover away. Figure 4. Computer Cover Replacement To replace the low-profile chassis computer cover, perform the following steps: 1. Face the front of the computer and hold click into place. Eject, Power, and Reset Buttons Figure 5. Eject, Power, and Reset Button Removal
  • Dell OptiPlex GX100 | Service Manual - Page 5
    , position the two ring-tabs over the posts on the inside of the bay opening, and then press the ring tabs over the posts. Control Panel Figure 7. Control Panel Removal 1 Control panel 2 Chassis intrusion switch To remove the control panel in the low-profile chassis, perform the following steps:
  • Dell OptiPlex GX100 | Service Manual - Page 6
    on the system board (see "System Board Labels" for the location of the PANEL connector). remove the chassis intrusion switch in the low-profile chassis, perform the following steps: 1. Setup and reset Chassis Intrusion to Enabled or Enabled-Silent (see your User's Guide for instructions). Drives NOTE
  • Dell OptiPlex GX100 | Service Manual - Page 7
    the following steps: 1. Remove the diskette drive and bracket. 2. Disconnect the DC power cable and EIDE cable from the drive. 3. Lift the 5.25-inch drive/bracket straight up and out of the chassis. Hard-Disk Drive Removal Figure 10. Hard-Disk Drive/Bracket Assembly Removal 1 Captive screw 2 Hinge
  • Dell OptiPlex GX100 | Service Manual - Page 8
    . NOTICE: You must match the red colored stripe on the EIDE cable with pin 1 on the drive's interface connector to avoid possible damage to your system. Figure 12. Hard-Disk Drive Cable Attachment 1 Power cable 2 EIDE interface cable 3 IDE1 connector on system board NOTICE: You must attach the blue
  • Dell OptiPlex GX100 | Service Manual - Page 9
    the Dell Diagnostics (see the online System User's Guide for complete information. 18. If the drive you just installed is the primary drive, install your operating system on the hard-disk drive. For instructions, refer to the documentation that came with your operating system. System Power Supply
  • Dell OptiPlex GX100 | Service Manual - Page 10
    away from the chassis. To replace the expansion-card cage into the low-profile chassis, perform the following steps: 1. With the securing lever in the upright position, align the expansion-card cage slots with the tabs in the chassis opening for the expansion- card cage (see Figure 14). Slide the
  • Dell OptiPlex GX100 | Service Manual - Page 11
    the expansion-card cage. System Board Components The subsections that follow contain procedures for removing system board components, which are shown in Figure 17. Figure 17. System Board Components 1 NIC connector 2 Video connector 3 Fan power connector 4 Serial port 2 connector 5 USB connectors
  • Dell OptiPlex GX100 | Service Manual - Page 12
    port connector; sometimes referred to as LPT1 Main power input connector 3.3-V power input connector Riser board connector Serial port connectors USB connectors Expansion Cards The low-profile GX100 chassis can accommodate three 32-bit PCI expansion cards. Figure 19 shows an example of a 32-bit
  • Dell OptiPlex GX100 | Service Manual - Page 13
    Guide for detailed information on the Intrusion detector. NOTE: If a setup password has been assigned by someone else, contact your network administrator for information on resetting the chassis intrusion detector. Expansion-Card Installation Figure 20. Expansion-Card Installation 1 Expansion card
  • Dell OptiPlex GX100 | Service Manual - Page 14
    card-slot opening for the expansion-card slot you intend to use (see Figure 21). Save the screw to use when installing the expansion card Guide for detailed information on the chassis intrusion detector. NOTE: If a setup password has been assigned by someone else, contact your network is released from
  • Dell OptiPlex GX100 | Service Manual - Page 15
    in "Precautionary Measures." NOTE: Dell recommends that only a technically knowledgeable socket on the system board. 3. Unplug the fan power connector on the system board. 4. Remove the screws 6. Press down on the folded part of the clip with a small screwdriver to release the clip (see Figure 24).
  • Dell OptiPlex GX100 | Service Manual - Page 16
    on the chip appear to be bent, see the online System User's Guide for information on obtaining technical assistance. 9. Align the pin-1 corner of of the computer. 11. Unpack the heat sink included in your upgrade kit. Peel the release liner from the adhesive tape that is attached to the bottom of
  • Dell OptiPlex GX100 | Service Manual - Page 17
    reconnect your computer and peripherals to their power sources and turn them on. As the system boots, it detects the presence of the new microprocessor and automatically changes the system configuration information in System Setup. 16. Enter System Setup and confirm that the Microprocessor category
  • Dell OptiPlex GX100 | Service Manual - Page 18
    their connectors at the back of the computer. 2. Remove the expansion-card cage. 3. Disconnect all cables from the system board. 4. Remove are identical to those on the old board, unless you are installing a microprocessor upgrade. 3. Push down near each slot to engage the grounding clip onto its
  • Dell OptiPlex GX100 | Service Manual - Page 19
    Tower Chassis - Removing and Replacing Parts: Dell™ OptiPlex™ GX100 Systems Service Manual Overview Precautionary Measures Computer Cover Eject, Power, and Reset Buttons Control Panel Drives Riser Boards Expansion-Card -head screwdrivers l 1/4-inch nut driver Also, use a wrist grounding strap
  • Dell OptiPlex GX100 | Service Manual - Page 20
    you when you work inside the computer. Figure 1. Mini Tower Chassis Orientation View 1 System board 2 Power supply 3 5.25-inch drive slots 4 Internal hard-disk drive bracket 5 Expansion-card cage 6 Bottom of computer Figure 2 shows the mini tower chassis with the cover removed. Figure 2. Inside the
  • Dell OptiPlex GX100 | Service Manual - Page 21
    To remove the mini tower computer cover, perform the following steps: 1. Face the back of the computer and slide the upper half of the padlock ring to the left to unlock the cover release mechansism (see figure 3). 2. Face the left side cover and press the release button, located at the bottom-left
  • Dell OptiPlex GX100 | Service Manual - Page 22
    steps: 1. While pressing the tab release marked with the icon, tilt the their corresponding slots at the bottom of the mini tower chassis. 2. Rotate the bezel toward the chassis until pull gently on the plastic part of the button until it comes free. 3. To remove the power button or the reset button
  • Dell OptiPlex GX100 | Service Manual - Page 23
    , position the two ring-tabs over the posts on the inside of the bay opening, and then press the ring tabs over the posts. Control Panel Figure 8. Control from the control panel connector on the system board (see "System Board Labels" for the location of the PANEL connector). Note the routing of the
  • Dell OptiPlex GX100 | Service Manual - Page 24
    5. Pull the control panel cable through the opening in the front wall, and carefully remove the reset the chassis intrusion detector, enter System Setup and reset Chassis Intrusion to Enabled or Enabled-Silent (see your User's Guide for instructions). Drives NOTE: In all of the following procedures
  • Dell OptiPlex GX100 | Service Manual - Page 25
    slots (3) 3 3.5-inch internal bay for hard-disk drives (2) 3.5-Inch Diskette Drive Figure 11. Removing a Diskette Drive From a Drive Bay 1 Release tab To remove the 3.5-inch diskette drive from the drive bay, perform the following steps: 1. Disconnect the DC power and diskette interface cable from
  • Dell OptiPlex GX100 | Service Manual - Page 26
    following steps. NOTE: For easier access inside the chassis, you may want to rotate the power supply out of the way temporarily. 1. Remove the front bezel. 2. Disconnect the DC power cable and the interface cable from the back of the drive. 3. Squeeze the metal tabs that extend from each side of the
  • Dell OptiPlex GX100 | Service Manual - Page 27
    system came with an EIDE CD-ROM or tape drive, use the spare connector on the existing interface cable. Otherwise, use the EIDE interface cable provided in the drive kit. Hard-Disk Drive Removal Figure 16. Hard-Disk Drive Bracket Removal 1 Drive bracket slide rail 2 Chassis hinge slots 3 Hinge tabs
  • Dell OptiPlex GX100 | Service Manual - Page 28
    To remove a hard-disk drive from the mini tower's internal hard-disk drive bracket, perform the following steps. front bezel. 4. Open the drive bracket from the chassis: a. Disconnect the DC power cable and EIDE cable from the drive. b. Remove the screw securing the hard-disk drive bracket to the
  • Dell OptiPlex GX100 | Service Manual - Page 29
    to the 40-pin interface connector on the back of the hard-disk drive. Figure 19. Hard-Disk Drive Cables Attachment 1 Blue interface connector (on EIDE1) 2 Interface cable 3 Power cable 4 Power input connector on drive 5 Interface connector on drive NOTICE: You must match the blue connector on the
  • Dell OptiPlex GX100 | Service Manual - Page 30
    the Dell Diagnostics (see the online System User's Guide for complete information. 17. If the drive you just installed is the primary drive, install your operating system on the hard-disk drive. For instructions, refer to the documentation that came with your operating system. System Power Supply
  • Dell OptiPlex GX100 | Service Manual - Page 31
    previous procedure. Riser Boards The mini tower chassis is available with either a PCI riser board (see Figure 22) or a PCI/ISA riser board (see Figure 23). The PCI riser board provides five PCI expansion card slots. The PCI/ISA riser board provides three PCI expansion slots, two ISA expansion slots
  • Dell OptiPlex GX100 | Service Manual - Page 32
    Video connector 3 Fan power connector 4 Serial port 2 connector 5 USB connectors (2) 6 Keyboard (upper) and mouse (lower) connectors 7 Parallel port (upper) and serial port 1 (lower) connectors 8 System board jumper 9 Riser board connector 10 EIDE1 connector 11 EIDE2 connector 12 Diskette/tape-drive
  • Dell OptiPlex GX100 | Service Manual - Page 33
    3.3-volt V power input connector Riser board connector Serial port connectors USB connectors Expansion Cards The mini tower GX100 chassis can accommodate up to five 32-bit PCI expansion cards. Figure 26 shows an example of a 32-bit PCI expansion card. Figure 26. 32-Bit PCI Expansion Card Example
  • Dell OptiPlex GX100 | Service Manual - Page 34
    Guide for detailed instructions on the Intrusion detector. NOTE: If a setup password has been assigned by someone else, contact your network administrator for information on resetting the chassis intrusion detector. Expansion Card Installation Figure 27. Expansion Card Installation 1 Expansion-card
  • Dell OptiPlex GX100 | Service Manual - Page 35
    covers the card-slot opening for the expansion slot you intend to use (see Figure 28). Save the screw to use when installing the expansion card later in this Guide for detailed instructions on the intrusion detector. NOTE: If a setup password has been assigned by someone else, contact your network
  • Dell OptiPlex GX100 | Service Manual - Page 36
    and rotate the power supply up until it locks (see Figure 20). 2. Push outward on the two DIMM socket ejectors simultaneously until the DIMM is released from its grounding strap as explained in Precautionary Measures. NOTE: Dell recommends that only a technically knowledgeable person perform this
  • Dell OptiPlex GX100 | Service Manual - Page 37
    5. Press down on the folded part of the clip with a small screwdriver to release the clip (see Figure 30). The of the pins on the chip appear to be bent, see the online User's Guide for instructions on obtaining technical assistance. 8. Align the pin-1 corner of the microprocessor chip with
  • Dell OptiPlex GX100 | Service Manual - Page 38
    the heat sink included in your upgrade kit. Peel the release liner from the adhesive tape that power sources and turn them on. As the system boots, it detects the presence of the new microprocessor and automatically changes the system configuration information in System Setup. 16. Enter System Setup
  • Dell OptiPlex GX100 | Service Manual - Page 39
    instructions. To remove the system battery, perform the following steps: 1. If possible, enter System Setup and print the System Setup screens. 2. Rotate the power supply expansion-card cage. 4. Unlatch and rotate the power supply until board, unless a microprocessor upgrade is being installed. When
  • Dell OptiPlex GX100 | Service Manual - Page 40
    board). Back to Contents Page
  • Dell OptiPlex GX100 | Service Manual - Page 41
    and Replacing Parts: Dell™ OptiPlex™ GX100 Systems Service Manual Overview Precautionary Measures Computer Cover Control Panel Drives Riser Board Expansion-Card Cage DIMMs System Battery Recommended Tools Internal Views Eject and Power Buttons Chassis Intrusion Switch System Power Supply System
  • Dell OptiPlex GX100 | Service Manual - Page 42
    Externally accessible upper drive bay 3 Hard-disk drive 4 Diskette-drive interface cable 5 Hard-disk drive interface cable 6 Expansion-card cage 7 System board 8 Expansion-card slots 9 I/O ports and connectors 10 AC power receptacle 11 Security cable slot 12 Power supply 13 Chassis intrusion switch
  • Dell OptiPlex GX100 | Service Manual - Page 43
    remove the computer cover, perform the following steps: 1. Press in to retract the padlock ring into the cover to open (see Figure 3). 2. Press in on the two securing buttons until the cover is free to swing up (see slide the padlock ring out of the cover. Eject and Power Buttons Figure 5. Eject and
  • Dell OptiPlex GX100 | Service Manual - Page 44
    To remove the control panel, perform the following steps: 1. Remove the drive shelf. 2. Remove the power supply. 3. Disconnect the control panel cable from the control panel connector on the system board (see "System Board Labels" for the location of the PANEL connector). Note the routing of the
  • Dell OptiPlex GX100 | Service Manual - Page 45
    switch 2 CD-ROM drive 3 3.5-inch diskette drive 4 Hard-disk drive Preliminary Steps You must remove the drive shelf before removing the 3.5-inch diskette drive, the CD-ROM drive, the hard-disk drive, the control panel, the chassis intrusion switch, or the power supply. Figure 9. Drive Shelf Removal
  • Dell OptiPlex GX100 | Service Manual - Page 46
    the power and interface cables from the diskette drive and CD-ROM drive. 2. Press inward on the two drive shelf release tabs, and pull the shelf forward and out of the chassis (see Figure 9). Hard-Disk Drive Figure 10. Hard-Disk Drive/Bracket Removal 1 Drive bracket 2 Release tabs (2) CAUTION
  • Dell OptiPlex GX100 | Service Manual - Page 47
    procedure. 5. Reinstall the hard-disk drive/bracket in the chassis (see Figure 12). 6. Place the bracket so that the release tabs extend about one inch bracket release tabs should also snap into the front of the chassis. 8. Connect a power cable to the power input connector on the back of the drive,
  • Dell OptiPlex GX100 | Service Manual - Page 48
    on System Setup). After you update the system setup settings, reboot the system. 15. Partition and logically format your computer's hard-disk drive before proceeding to the next step. See the documentation for your operating system for instructions. NOTE: On systems with hard-disk drives larger than
  • Dell OptiPlex GX100 | Service Manual - Page 49
    necessary, press on the latch from the bottom of the drive shelf. 4. Replace the drive shelf and connect the interface and power cable connectors. CD-ROM Drive Figure 14. CD-ROM Drive Removal 1 Drive release tab To remove a CD-ROM drive, perform the following steps. NOTE: This procedure assumes that
  • Dell OptiPlex GX100 | Service Manual - Page 50
    Dell Diagnostics (see the online System User's Guide for complete information). System Power Supply Figure 17. Power Supply Removal 1 Securing screw hole 2 AC power receptacle 3 Power supply 4 System board DC power connectors (2) 5 Drive DC power connectors (3) To remove the system power supply
  • Dell OptiPlex GX100 | Service Manual - Page 51
    the expansion card cage. System Board Components The subsections that follow contain procedures for removing system board components, which are shown in Figure 20. Figure 20. System Board Components 1 NIC connector 2 Video connector 3 Fan power connector 4 Serial port 2 connector 5 USB connectors
  • Dell OptiPlex GX100 | Service Manual - Page 52
    . Dell shipped labels for connectors and sockets on your system board, and it gives a brief description of their functions. Table 1. System Board Connectors and Sockets Connector or Socket AUX_LED B1 DIMM_x DSKT Description Auxiliary power indicator Battery socket DIMM socket Diskette/tape drive
  • Dell OptiPlex GX100 | Service Manual - Page 53
    sometimes referred to as LPT1 Main power input connector 3.3-volt (V) power input connector Riser board connector Serial port connectors USB connectors Expansion Cards The small-form-factor GX100 chassis can accommodate up to two half-length 32-bit PCI expansion cards. Figure 22 shows an example of
  • Dell OptiPlex GX100 | Service Manual - Page 54
    If a setup password has been assigned by someone else, contact your network administrator for information on resetting the chassis intrusion detector. Figure 23. Expansion Card Installation 1 Expansion card 2 Card-edge connector 3 Riser board 4 Expansion-card connector 5 Expansion-card cage CAUTION
  • Dell OptiPlex GX100 | Service Manual - Page 55
    Guide for detailed information on the chassis intrusion detector. NOTE: If a setup password has been assigned by someone else, contact your network Push outward on the two DIMM socket ejectors simultaneously until the DIMM is released from its socket. 2. Lift the DIMM away from the socket. To
  • Dell OptiPlex GX100 | Service Manual - Page 56
    Precautionary Measures." NOTE: Dell recommends that only system board. 3. Unplug the fan power connector on the system board 4. Remove down on the folded part of the clip with a small screwdriver to release the clip (see your Installation and Troubleshooting Guide for instructions on obtaining
  • Dell OptiPlex GX100 | Service Manual - Page 57
    the heat sink included in your upgrade kit. Peel the release liner from the adhesive tape that power sources and turn them on. As the system boots, it detects the presence of the new microprocessor and automatically changes the system configuration information in System Setup. 17. Enter System Setup
  • Dell OptiPlex GX100 | Service Manual - Page 58
    instructions. To remove the system battery, perform the following steps: 1. If possible, enter System Setup and print the System Setup screens of the computer. 2. Remove the drive shelf assembly. 3. Remove the expansion-card cage. 4. Remove the hard-disk drive/bracket. 5. Disconnect all cables from
  • Dell OptiPlex GX100 | Service Manual - Page 59
    on the replacement board. 2. Set the jumpers on the new system board so that they are identical to those on the old board, unless a microprocessor upgrade is being installed. 3. Push down near each slot to engage the grounding clip onto its corresponding tab. 4. Push evenly on both sides of the
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Dell™ OptiPlex™ GX100 Systems Service Manual
Small
-
Form
-
Factor Chassis
—
Removing and Replacing Parts
Low
-
Profile Chassis
—
Removing and Replacing Parts
Mini Tower Chassis
—
Removing and Replacing Parts
Notes, Notices, and Cautions
Throughout this guide, blocks of text may be accompanied by an icon and printed in bold type or in italic type. These blocks are notes, notices,
and cautions, and they are used as follows:
NOTE: A NOTE indicates important information that helps you make better use of your system.
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 potentially hazardous situation which, if not avoided, may result in minor or moderate
injury.
Information in this document is subject to change without notice.
©
1999-2000 Dell Computer Corporation. All rights reserved.
Reproduction in any manner whatsoever without the written permission of Dell Computer Corporation is strictly forbidden.
Trademarks used in this text:
Dell
and
OptiPlex
are trademarks of Dell Computer Corporation.
Other trademarks and trade names may be used in this document to refer to either the entities claiming the marks and names or their products. Dell Computer
Corporation disclaims any proprietary interest in trademarks and trade names other than its own.
Initial release: May 1999
Last revised: 24 Aug 2000