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xiiFigure 6-22. Installing a Video-Memory Upgrade Module. . . . . . . . . . . . 6-22Figure 6-23. SEC Cartridge/Heat Sink Removal . . . . . . . . . .
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Removing and Replacing Parts on the Midsize Chassis 5-7)URQW3DQHO,QVHUWV)LJXUH)URQW3DQHO,QVHUW5HPRYDOTo remove a front-panel insert, foll
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Removing and Replacing Parts on the Midsize Chassis 5-9'ULYHVFigure 5-7 shows an example of drive hardware that can be installed in the computer.
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Removing and Replacing Parts on the Midsize Chassis 5-11,QFK'ULYH$VVHPEO\)LJ XUH,QFK'ULYH$VVHPEO\5HPRYDOTo remove a 5.
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Removing and Replacing Parts on the Midsize Chassis 5-13+DUG'LVN'ULYH)LJXUH+DUG'LVN'ULYH5HPRYDOTo remove the hard-dis
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Removing and Replacing Parts on the Midsize Chassis 5-15([SDQVLRQ&DUGVThe computer has a removable expansion-card cage. The expansion-card cage c
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Removing and Replacing Parts on the Midsize Chassis 5-175LVHU%RDUG)LJ XUH5LVHU%RDUG5HPRYDOTo remove the riser board, follow these steps:1.
5-18'HOO2SWL3OH[*;*;S0DQDJHG3&DQG2SWL3OH[1;1HW3&6\VWHPV6HUYLFH0DQXDO6\VWHP%RDUG)LJ XUH6\VWHP%RDUG5HPRYDOTo rem
Removing and Replacing Parts on the Midsize Chassis 5-196\VWHP%RDUG&RPSRQHQWVThe following subsections contain procedures for removing/replacing
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Removing and Replacing Parts on the Midsize Chassis 5-216. Enter the System Setup program, and confirm that 8 MB is shown in the Video Memory option.
5-22'HOO2SWL3OH[*;*;S0DQDJHG3&DQG2SWL3OH[1;1HW3&6\VWHPV6HUYLFH0DQXDOTo remove the SEC cartridge/heat sink assembly, follo
Removing and Replacing Parts on the Midsize Chassis 5-232. Turn off power to all peripherals, and disconnect the AC power cable from its electrical ou
5-24'HOO2SWL3OH[*;*;S0DQDJHG3&DQG2SWL3OH[1;1HW3&6\VWHPV6HUYLFH0DQXDO
Removing and Replacing Parts on the Mini Tower Chassis 6-1&+$37(55HPRYLQJDQG5HSODFLQJ3DUWVRQWKH0LQL7RZHU&KDVVLVThis chapter provides
xiv5HDG7KLV)LUVWA prerequisite for using this manual to service Dell computer systems is a basic knowledge of IBM®-compatible PCs and prior training
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Removing and Replacing Parts on the Mini Tower Chassis 6-3)LJ XUH,QWHUQDO9LHZRIWKH0LQL7RZHU&RPSXWHUpower supplysystem boardexpansion-
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Removing and Replacing Parts on the Mini Tower Chassis 6-5)URQW%H]HO)LJX UH)URQW%H]HO5HPRYDOTo remove the front bezel, follow these steps
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Removing and Replacing Parts on the Mini Tower Chassis 6-7)URQW3DQHO,QVHUWV)LJXUH ,QFK)URQW3DQHO,QVHUW5HPRYDOTo remove a 5.25-inch
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Removing and Replacing Parts on the Mini Tower Chassis 6-9&RQWURO3D QH O)LJXUH&RQWURO3DQHO5HPRYDOTo remove the control panel, follow
6-10'HOO2SWL3OH[*;*;S0DQDJHG3&DQG2SWL3OH[1;1HW3&6\VWHPV6HUYLFH0DQXDO'ULYHVFigure 6-8 shows an example of drive hardw
Removing and Replacing Parts on the Mini Tower Chassis 6-11,QFK'LVNHWWH'ULYH$VVHPEO\)LJXUH,QFK'LVNHWWH'ULYH$V
System Overview 1-1&+$37(56\VWHP2YHUYLHZThis manual contains field-servicing information for the Dell® OptiPlex® GX1/GX1p Managed PC and OptiPl
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Removing and Replacing Parts on the Mini Tower Chassis 6-13To remove a 5.25-inch drive assembly from the middle or lower drive bay, fol-low these step
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Removing and Replacing Parts on the Mini Tower Chassis 6-15+DUG'LVN'ULYH)LJXUH+DUG'LVN'ULYH5HPRYDOTo remove the hard-
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Removing and Replacing Parts on the Mini Tower Chassis 6-17([SDQVLRQ&DUGVThe computer has a removable expansion-card cage. The expansion-card cag
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Removing and Replacing Parts on the Mini Tower Chassis 6-195LVHU%RDUG)LJ XUH5LVHU%RDUG5HP RYDOTo remove the riser board, follow these steps
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Removing and Replacing Parts on the Mini Tower Chassis 6-216\VWHP%RDUG&RPSRQHQWVThe following subsections contain procedures for removing/replac
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Removing and Replacing Parts on the Mini Tower Chassis 6-236. Enter the System Setup program, and confirm that 8 MB is shown in the Video Memory optio
6-24'HOO2SWL3OH[*;*;S0DQDJHG3&DQG2SWL3OH[1;1HW3&6\VWHPV6HUYLFH0DQXDOTo remove the SEC cartridge/heat sink assembly, follo
Removing and Replacing Parts on the Mini Tower Chassis 6-252. Turn off power to all peripherals, and disconnect the AC power cable from its electrical
6-26'HOO2SWL3OH[*;*;S0DQDJHG3&DQG2SWL3OH[1;1HW3&6\VWHPV6HUYLFH0DQXDO
Removing and Replacing Parts on the OptiPlex NX1 Net PC Chassis 7-1&+$37(55HPRYLQJDQG5HSODFLQJ3DUWVRQWKH2SWL3OH[1;1HW3&&KDVV
7-2'HOO2SWL3OH[*;*;S0DQDJHG3&DQG2SWL3OH[1;1HW3&6\VWHPV6HUYLFH0DQXDO3UHFDXWLRQDU\0HDVXUHVBefore you perform any of the p
Removing and Replacing Parts on the OptiPlex NX1 Net PC Chassis 7-3)LJ X UH,QWHUQDO9LHZRIWKH2SWL3OH[1;&RPSXWHU2SWLRQDO6WDQG)LJ X UH
7-4'HOO2SWL3OH[*;*;S0DQDJHG3&DQG2SWL3OH[1;1HW3&6\VWHPV6HUYLFH0DQXDO3. Pull the optional stand away from the computer.Dise
Removing and Replacing Parts on the OptiPlex NX1 Net PC Chassis 7-5To remove the computer cover, follow these steps:1. Remove the padlock, if one is i
System Overview 1-3&KDVVLV6LPLODULW LHVAll four chassis configurations have the following similarities: The same system board. Identical opera
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Removing and Replacing Parts on the OptiPlex NX1 Net PC Chassis 7-7+DUG'LVN'ULYH)LJXUH+DUG'LVN'ULYH5HPRYDOTo remove
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Removing and Replacing Parts on the OptiPlex NX1 Net PC Chassis 7-9([SDQVLRQ&DUG&DJHThe computer has a removable expansion-card cage. The ex
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Removing and Replacing Parts on the OptiPlex NX1 Net PC Chassis 7-115LVHU%RDUG)LJ XUH5LVHU%RDUG5HP RYDOTo remove the riser board, follow th
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Removing and Replacing Parts on the OptiPlex NX1 Net PC Chassis 7-136\VWHP%RDUG&RPSRQHQWVThe following subsections contain procedures for removi
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Removing and Replacing Parts on the OptiPlex NX1 Net PC Chassis 7-156. Enter the System Setup program, and confirm that 8 MB is shown in the Video Mem
1-4'HOO2SWL3OH[*;*;S0DQDJHG3&DQG2SWL3OH[1;1HW3&6\VWHPV6HUYLFH0DQXDO0DLQ0HPRU\Main memory for the OptiPlex GX1 and OptiPl
7-16'HOO2SWL3OH[*;*;S0DQDJHG3&DQG2SWL3OH[1;1HW3&6\VWHPV6HUYLFH0DQXDOTo remove the SEC cartridge/heat sink assembly, follo
Removing and Replacing Parts on the OptiPlex NX1 Net PC Chassis 7-172. Turn off power to all peripherals, and disconnect the AC power cable from its e
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System Setup Program A-1$33(1',;$6\VWHP6HWXS3URJUDPThis appendix, which applies to all Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net
A-2 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual6\VWHP 6HWXS6FUHHQV)LJXUH$6\VWHP6HWXS6FUHHQV,QWHJUDWHG
System Setup Program A-37DEOH$6\VWHP6HWXS2SWLRQV 2SWLRQ )XQFWLRQTime Resets time on computer’s internal clock.Date Resets date on computer’s
A-4 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service ManualChassis Intrusion Enables or disables the chassis intrusion fea-tu
System Setup Program A-5Auto Power On Allows you to set the day and time you want the system to power on automatically. The time uses the 24-hour form
A-6 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual'HYLFH/LVWDevice List provides access to the Device List scr
System Setup Program A-7When determining the order of devices to boot from, the system first consid-ers the order of the devices listed under the Devi
System Overview 1-5,QWHJUDWHG'LVNHWWH7DSH'ULYH&RQWUROOHUThe OptiPlex GX1/GX1p and OptiPlex NX1 systems are equipped with an inte-gra
A-8 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual
Index 1,QGH[1XPEHUV3.5-inch diskette drive removallow-profile computer, 4-9midsize computer, 5-10mini tower computer, 6-115.25-inch drive assembly re
2 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manualcomputer (continued)components, illustrated, low-profile computer, 1
Index 3DC power (continued)power supply connectors, 1-33voltage ranges, OptiPlex GX1 systems, 1-32voltage ranges, OptiPlex NX1 systems, 1-32diagnostic
4 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manualexpansion-card removallow-profile computer, 4-14midsize computer, 5-
Index 50main memory, 1-4, 1-17memory subsystemexpansion using DIMMs, 1-17flash ROM, 1-4main memory, 1-4secondary L2 cache, 1-3, 1-16messages, error, 3
6 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service ManualPower Supply, 115/230-VAC, 1-8precautionary measureslow-profile comp
Index 77tape drivesabout, 1-5removal, low-profile computer, 4-10removal, midsize computer, 5-11removal, mini tower computer, 6-12technical specificati
8 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual
1-6'HOO2SWL3OH[*;*;S0DQDJHG3&DQG2SWL3OH[1;1HW3&6\VWHPV6HUYLFH0DQXDO$7,0XOWLPHGLD&KDQQHOThe ATI multimedia channel (
System Overview 1-7,QWHJUDWHG(WKHUQHW1,&6XSSRUW2SWLRQDOThe OptiPlex GX1 systems and OptiPlex NX1 systems are available with or without an in
____________________Information in this document is subject to change without notice.© 1996¤1998 Dell Computer Corporation. All rights reserved.Repro
1-8'HOO2SWL3OH[*;*;S0DQDJHG3&DQG2SWL3OH[1;1HW3&6\VWHPV6HUYLFH0DQXDO3RZHU6XSSO\The OptiPlex GX1/GX1p and OptiPlex NX1 sys
System Overview 1-9)L JXUH)URQW3DQHO)HDWXUHVdiskette-drive access indicatorreset buttonhard-disk drive access indicatorpower buttonpower indi
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System Overview 1-11)LJ X UH,QWHUQDO9LHZRIWKH0LGVL]H&K DVVLVNIC connector (optional)parallel port connectorpower supplyvoltage select
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System Overview 1-13)L JXUH,Q WHUQDO9LHZRIWKH 2SWL 3OH[1;&KDVVLV$GYDQFHG([SDQVLRQ)HDWXUHVThe OptiPlex GX1/GX1p systems contain ad
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System Overview 1-15total of five expansion-card slots (see Figure 1-9). Option 2 is an active riser board, with a PCI-to-PCI bridge. Option 2 has two
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System Overview 1-170DLQ0HPRU\([SDQVLRQThe three DIMM sockets on the system board can accommodate combina-tions of 32-, 64-, and 128-MB DIMMs up to
v&RQWHQWV&KDSWHU 6\VWHP2YHUYLHZ Chassis Differences. . . . . . . . . . . . . . . .
1-18'HOO2SWL3OH[*;*;S0DQDJHG3&DQG2SWL3OH[1;1HW3&6\VWHPV6HUYLFH0DQXDO6\VWHP'LDJQRVWLFVServer-based and diskette-base
System Overview 1-19)L JXUH6\VWHP%RDUG&RPSRQHQWV2OGSEC cartridge connector (SLOT1)primary EIDE interface connector (IDE1) diskette/t
1-20'HOO2SWL3OH[*;*;S0DQDJHG3&DQG2SWL3OH[1;1HW3&6\VWHPV6HUYLFH0DQXDO6\VWHP%RDUG-XPSHUVThe system board jumpers are loca
System Overview 1-21,QWHUUXSW$VVLJQPHQWV350MHZ*Microprocessor speed Install jumper if the microprocessor’s internal speed is 350 MHz; otherwise, the
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System Overview 1-23)LJXUH&RPSXWHU2ULH QWDWLRQ,QIRUPDWLRQ+DUG'LVN'ULYHIRUWKH/ RZ3URILOH&RPSXWHUThe hard-disk drive
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System Overview 1-253 LQ$VV LJQPHQWVI RUWK H'&3RZHU&RQQHFWRUVThe power-supply output voltages can be measured at the back (wire si
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System Overview 1-27)L JXUH'&3RZHU&DEOHVIRUWKH/RZ3URILOH&RPSXWHUP5P4P3P2P1
viSystem-Board Service Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-18System Board . . . . . . . . . . . . . . . . . . . .
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System Overview 1-29)L JXUH'&3RZHU&DEOHVIRUWKH0LGVL]HDQG0LQL7RZHU&RPSXWHUVP7P9 P5P4P3P2P1P6
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System Overview 1-33)L JXUH'&3RZHU&RQQHFWRU3IRUWKH2SWL3OH[1;&RPSXWHU)L JXUH'&3RZHU&RQQHFWRU
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System Overview 1-357HFKQLFDO6SHFLILFDWLRQVz7DE OH7HFKQLFDO6SHFLILFDWLRQV0LFURSURFHVVRUMicroprocessor type . . . . . . Intel Pentium II
1-36'HOO2SWL3OH[*;*;S0DQDJHG3&DQG2SWL3OH[1;1HW3&6\VWHPV6HUYLFH0DQXDO([SDQVLRQ%XVFRQWLQXHGISA expansion-card connector
System Overview 1-37'ULYHVFRQWLQXHGMini tower computers . . . . . . . . . . . one 3.5-inch bay for a 3.5-inch diskette drive; three 5.25-inch
viiInside the Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2Computer Cover . . . . . . . . . . . .
1-38'HOO2SWL3OH[*;*;S0DQDJHG3&DQG2SWL3OH[1;1HW3&6\VWHPV6HUYLFH0DQXDO3RUWVExternally accessible:Serial (DTE) . . . . . . .
System Overview 1-39&RQWUROVDQG,QGLFDWRUVReset control . . . . . . . . . . . . push buttonPower control. . . . . . . . . . . . push buttonPowe
1-40'HOO2SWL3OH[*;*;S0DQDJHG3&DQG2SWL3OH[1;1HW3&6\VWHPV6HUYLFH0DQXDO3K\VLFDOLow-profile computers:Height . . . . . . . .
System Overview 1-41(QYLURQPHQWDOFRQWLQX HGMaximum shock:Operating. . . . . . . . . . . . left side (for low-profile, midsize, and Opti-Plex NX1
1-42'HOO2SWL3OH[*;*;S0DQDJHG3&DQG2SWL3OH[1;1HW3&6\VWHPV6HUYLFH0DQXDO
Basic Troubleshooting 2-1&+$37(5%DVLF7URXEOHVKRRWLQJThis chapter provides basic troubleshooting procedures applicable to all systems of the Del
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Basic Troubleshooting 2-3Does the inspection reveal any problems?Ye s. Refer to the parts removal and replacement procedure in Chapters 4, 5, 6, or 7,
2-4'HOO2SWL3OH[*;*;S0DQDJHG3&DQG2SWL3OH[1;1HW3&6\VWHPV6HUYLFH0DQXDOSystem error messages: These messages can indicate pr
Basic Troubleshooting 2-5SEC cartridge/heat sink assembly and reinstall it as described in “SEC Cartridge/Heat Sink Assembly” in Chapter 4, 5, 6, or 7
viiiExpansion Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15Expansion-Card Cage. . . . . . . . . .
2-6'HOO2SWL3OH[*;*;S0DQDJHG3&DQG2SWL3OH[1;1HW3&6\VWHPV6HUYLFH0DQXDO6HUYHU%DVHG'LDJQRVWLFVThe server-based diagnos
Basic Troubleshooting 2-7 Timers Test — Checks the timers used by the microprocessor RTC Test — Confirms the functionality and accuracy of the comp
2-8'HOO2SWL3OH[*;*;S0DQDJHG3&DQG2SWL3OH[1;1HW3&6\VWHPV6HUYLFH0DQXDO(RAM) required for loading the diagnostics. If a main
Basic Troubleshooting 2-9kit connected to the computer as shown in Figure 2-1 and described in the fol-lowing procedure.The diskette-based diagnostics
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xFigure 1-15. Computer Orientation Information . . . . . . . . . . . . . . . . . . . 1-23Figure 1-16. DC Power Connector P1. . . . . . . . . . . . . .
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