Dell OptiPlex NX1 Manual do Utilizador

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xiiFigure 6-21. DIMM Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-22Figure 6-22. DIMM Installation . . . . . . . . . .

5-8 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual&RQWURO3D QH OTo remove the control panel, follow these steps

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.

5-10 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual,QFK'LVNHWWH'ULYH$VVHPEO\To remove the 3.5-inch

Removing and Replacing Parts on the Midsize Chassis 5-11,QFK'ULYH$VVHPEO\To remove a 5.25-inch drive assembly from the middle or lower dri

5-12 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual+DUG'LVN'ULYH%UDFNHWTo remove the hard-disk drive br

Removing and Replacing Parts on the Midsize Chassis 5-13+DUG'LVN'ULYHTo remove the hard-disk drive, follow these steps:1. Remove the hard-

5-14 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual6\VWHP 3RZHU6XSSO\To remove the system power supply, follow the

Removing and Replacing Parts on the Midsize Chassis 5-15([SDQVLRQ&DUGVThe computer has a removable expansion-card cage. The expansion-card cage c

5-16 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual([SDQVLRQ&DUGTo remove an expansion card, follow these steps

Removing and Replacing Parts on the Midsize Chassis 5-175LVHU%RDUG To remove the riser board, follow these steps:1. Remove the expansion-card cage an

xiii

5-18 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual6\VWHP%RDUGTo remove the system board, follow these steps:1. Dis

Removing and Replacing Parts on the Midsize Chassis 5-196\VWHP%RDUG&RPSRQHQWVThe subsections that follow Figure 5-18 contain procedures for remo

5-20 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual',00VTo remove a DIMM from one of the three DIMM sockets, fo

Removing and Replacing Parts on the Midsize Chassis 5-219LGHR0HPRU\You can upgrade video memory from 4 to 8 MB by installing a video-memory upgrade m

5-22 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual6. Enter the System Setup program, and confirm that 8 MB is shown

Removing and Replacing Parts on the Midsize Chassis 5-23To remove the SEC cartridge/heat sink assembly, follow these steps:1. Remove the system power

5-24 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual2. Turn off power to all peripherals, and disconnect the AC power

Removing and Replacing Parts on the Mini Tower Chassis 6-1&+$37(55HPRYLQJDQG5HSODFLQJ3DUWVRQWKH0LQL7RZHU&KDVVLVThis chapter provides

6-2 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual1. Turn off the computer and any attached peripherals.2. Disconnec

Removing and Replacing Parts on the Mini Tower Chassis 6-3power supplysystem boardexpansion-card cageriser boardhard-disk drive bracketexternal drive

xiv5HDG7KLV)LUVWA prerequisite for using this manual to service Dell computer systems is a basic knowledge of IBM®-compatible PCs and prior training

6-4 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual&RPSXWHU&RYHUTo remove the computer cover, follow these s

Removing and Replacing Parts on the Mini Tower Chassis 6-5)URQW%H]HO To remove the front bezel, follow these steps:1. Press the tab release marked wi

6-6 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual(MHFW3RZHUDQG5HVHW%XWWRQVTo remove the eject, power, and res

Removing and Replacing Parts on the Mini Tower Chassis 6-7)URQW3DQHO,QVHUWVTo remove a 5.25-inch front-panel insert, follow these steps:1. Hold the

6-8 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service ManualTo remove a 3.5-inch front-panel insert, follow these steps:1. Hol

Removing and Replacing Parts on the Mini Tower Chassis 6-9&RQWURO3D QH OTo remove the control panel, follow these steps:1. Remove the hard-disk d

6-10 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual'ULYHVFigure 6-8 shows an example of drive hardware that can

Removing and Replacing Parts on the Mini Tower Chassis 6-11,QFK'LVNHWWH'ULYH$VVHPEO\To remove a 3.5-inch diskette drive assembly, fol

6-12 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service ManualWhen you replace the 3.5-inch diskette drive, be sure that the tw

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

System Overview 1-1&+$37(56\VWHP2YHUYLHZThis manual contains field-servicing information for the Dell® OptiPlex® GX1/GX1p Managed PC and OptiPl

6-14 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual+DUG'LVN'ULYH%UDFNHWTo remove the hard-disk drive br

Removing and Replacing Parts on the Mini Tower Chassis 6-15+DUG'LVN'ULYHTo remove the hard-disk drive assembly, follow these steps:1. Remo

6-16 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual6\VWHP3RZHU6XSSO\To remove the system power supply, follow thes

Removing and Replacing Parts on the Mini Tower Chassis 6-17([SDQVLRQ&DUGVThe computer has a removable expansion-card cage. The expansion-card cag

6-18 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual([SDQVLRQ&DUGTo remove an expansion card, follow these steps

Removing and Replacing Parts on the Mini Tower Chassis 6-195LVHU%RDUGTo remove the riser board, follow these steps:1. Remove the expansion-card cage

6-20 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual6\VWHP%RDUGTo remove the system board, follow these steps:1. Dis

Removing and Replacing Parts on the Mini Tower Chassis 6-216\VWHP%RDUG&RPSRQHQWVThe subsections that follow Figure 6-20 contain procedures for r

6-22 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual',00VTo remove a DIMM from one of the three DIMM sockets, fo

Removing and Replacing Parts on the Mini Tower Chassis 6-239LGHR0HPRU\You can upgrade video memory from 4 to 8 MB by installing a video-memory upgrad

1-2 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual&KDVVLV'LIIHUHQFHVThe four different chassis configurati

6-24 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual6. Enter the System Setup program, and confirm that 8 MB is shown

Removing and Replacing Parts on the Mini Tower Chassis 6-25To remove the SEC cartridge/heat sink assembly, follow these steps:1. Remove the system pow

6-26 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual2. Turn off power to all peripherals, and disconnect the AC power

Removing and Replacing Parts on the OptiPlex NX1 Net PC Chassis 7-1&+$37(55HPRYLQJDQG5HSODFLQJ3DUWVRQWKH2SWL3OH[1;1HW3&&KDVV

7-2 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual3UHFDXWLRQDU\0HDVXUHVBefore you perform any of the procedures in

Removing and Replacing Parts on the OptiPlex NX1 Net PC Chassis 7-32SWLRQDO6WDQGTo remove the optional stand, if one is installed, follow these steps

7-4 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual3. Pull the optional stand away from the computer.Disengage the lo

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

7-6 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual&RQWURO3D QH OTo remove the control panel, follow these steps

Removing and Replacing Parts on the OptiPlex NX1 Net PC Chassis 7-7+DUG'LVN'ULYHTo remove a hard-disk drive, follow these steps: 1. Discon

System Overview 1-3&KDVVLV6LPLODULW LHVAll four chassis configurations have the following similarities: The same system board.  Identical opera

7-8 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual6\VWHP3RZHU6XSSO\To remove the system power supply, follow these

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

7-10 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual([SDQVLRQ&DUGTo remove the expansion card, follow these step

Removing and Replacing Parts on the OptiPlex NX1 Net PC Chassis 7-115LVHU%RDUGTo remove the riser board, follow these steps:1. Remove the expansion-c

7-12 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual6\VWHP%RDUGTo remove the system board, follow these steps:1. Dis

Removing and Replacing Parts on the OptiPlex NX1 Net PC Chassis 7-136\VWHP%RDUG&RPSRQHQWVThe subsections that follow Figure 7-12 contain procedu

7-14 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual',00VTo remove a DIMM from one of the three DIMM sockets, fo

Removing and Replacing Parts on the OptiPlex NX1 Net PC Chassis 7-159LGHR0HPRU\You can upgrade video memory from 4 to 8 MB by installing a video-memo

7-16 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual6. Enter the System Setup program, and confirm that 8 MB is shown

Removing and Replacing Parts on the OptiPlex NX1 Net PC Chassis 7-17To remove the SEC cartridge/heat sink assembly, follow these steps:1. Remove the s

1-4 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual0DLQ0HPRU\Main memory for the OptiPlex GX1 and OptiPlex NX1 syste

7-18 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual2. Turn off power to all peripherals, and disconnect the AC power

System Setup Program A-1$33(1',;$6\VWHP6HWXS3URJUDPThis 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 6HWXS6FUHHQV Integrated DevicesDrives:Primary Type Cyls

System Setup Program A-3Time Resets time on computer’s internal clock.Date Resets date on computer’s internal calendar.Diskette Drive A Diskette Drive

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

A-8 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual

System Overview 1-5,QWHJUDWHG'LVNHWWH7DSH'ULYH&RQWUROOHUThe OptiPlex GX1/GX1p and OptiPlex NX1 systems are equipped with an inte-gra

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1-6 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual$7,0XOWLPHGLD&KDQQHOThe ATI multimedia channel (AMC) impleme

System Overview 1-7,QWHJUDWHG(WKHUQHW1,&6XSSRUW2SWLRQDOThe 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 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual836The OptiPlex GX1/GX1p and OptiPlex NX1 systems are equipped wit

System Overview 1-9diskette-drive access indicatorreset buttonhard-disk drive access indicatorpower buttonpower indicatordiskette-drive access indicat

1-10 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manualserial port 1 connectorpower supplyvoltage selection switchAC pow

System Overview 1-11 NIC connector (optional)parallel port connectorpower supplyvoltage selection switchAC powerreceptacleserial port 1 connectorUSB c

1-12 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manualpower supplysecurity cable slotserial port 2 connectorAC power re

System Overview 1-13$GYDQFHG([SDQVLRQ)HDWXUHVThe OptiPlex GX1/GX1p systems contain advanced expansion subsystems that can support a mixture of trad

1-14 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual2SWL3OH[1;&RPSXWHU·V([SDQVLRQ &DUG6ORW The OptiPle

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

1-16 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual0LQL7RZHU&RPSXWHU ·V([SD QVLRQ&DUG6ORWV The OptiP

System Overview 1-170DLQ0HPRU\([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\VWHP2YHUYLHZ  Chassis Differences. . . . . . . . . . . . . . . .

1-18 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual6\VWHP'LDJQRVWLFVServer-based and diskette-based diagnostic

System Overview 1-196\VWHP%RDUG-XPSHUV500MHZ*Microprocessor speed Install jumper if the microprocessor’s internal speed is 500 MHz; otherwise, the j

1-20 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual,QWHUUXSW$VVLJQPHQWV350MHZ*Microprocessor speed Install jumper i

System Overview 1-21'0$&KDQ QHO$VVLJQPHQWV+DUG'LVN'ULYH6HUYLFH,QIRUPDWLRQThe following subsections provide service-related i

1-22 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual+DUG'LVN'ULYHIRUWKH/RZ3URILOH&RPSXWHUThe har

System Overview 1-23+DUG'LVN'ULYHIRUWKH0LQL7RZHU&RPSXWHUThe hard-disk drive bracket is located beneath the externally accessible

1-24 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual3LQ$VVLJQPHQWVIRUWKH'&3RZHU&RQQHFWRUVThe powe

System Overview 1-25'&3RZHU'LVWULEXWLRQFigures 1-18 through 1-22 provide the following information about DC power distribution:  Powe

1-26 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service ManualP5P4P3P2P1

System Overview 1-27–5 VDCfusescore VCC +2.1 to +3.5 VDC+3.3 VDCpower management and NIC logicRTC/NVRAM+5 VDC+5 VDC+5 VDC+5 VFP+5 VDC–5 VDC+12 VDC–12

viSystem-Board Service Data. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-18System Board . . . . . . . . . . . . . . . . . . . .

1-28 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service ManualP7P9 P5P4P3P2P1P6

System Overview 1-29–12 VDCpower management and NIC logic P7+3.3 VDCPOWER1systempower supplyRTC/NVRAM+3.3 VDC+5 VDC+5 VDC+5 VDC+5 VDC+5 VFP+12 V

1-30 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual 6\VWHP3RZHU6XSSO\IRUWKH2 SWL3OH[1;&RPSXWHUThe OptiP

System Overview 1-31.2SWL3OH[1;3 LQ$VVLJQPHQWVIR UWKH'&3RZHU& RQQHFWRUVThe power-supply output voltages can be measured at the

1-32 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual'&3RZHU'LVWULEXWLRQIRUWKH2SWL3OH[1;&RPS

System Overview 1-33+5 VDC+3.3 VDCfuses (2)core VCC +2.1 to +3.5 VDC+3.3 VDCpower management and NIC logicRTC/NVRAM+5 VDC+5 VDC+5 VDC+5 VFP+12 VDC–12

1-34 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual7HFKQLFDO6SHFLILFDWLRQVzMicroprocessor type . . . . . . Int

System Overview 1-35ISA expansion-card connectors:Low-profile computers . . . . . . . . . . . two (one ISA connector and one PCI connector share an e

1-36 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service ManualMini tower computers . . . . . . . . . . . one 3.5-inch bay for

System Overview 1-37Externally accessible:Serial (DTE) . . . . . . . . . . two 9-pin connectors (16550-compatible)Parallel . . . . . . . . . . . . .

viiInside the Computer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2Computer Cover . . . . . . . . . . . .

1-38 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service ManualReset control . . . . . . . . . . . . push buttonPower control.

System Overview 1-39Low-profile computers:Height . . . . . . . . . . . . . . 10.9 cm (4.3 inches)Width . . . . . . . . . . . . . . . 40.89 cm (16.1

1-40 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service ManualMaximum shock:Operating. . . . . . . . . . . . left side (for lo

Basic Troubleshooting 2-1&+$37(5%DVLF7URXEOHVKRRWLQJThis chapter provides basic troubleshooting procedures applicable to all systems of the Del

2-2 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual([WHUQDO9LVXDO,QVSHFWLRQThe external visual inspection consists

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 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service ManualSystem error messages: These messages can indicate problems or 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

2-6 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual6HUYHU%DVHG'LDJQRVWLFVThe server-based diagnostics contain

Basic Troubleshooting 2-7 Timers Test — Checks the timers used by the microprocessor  RTC Test — Confirms the functionality and accuracy of the comp

viiiExpansion Cards . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15Expansion-Card Cage. . . . . . . . . .

2-8 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual(RAM) required for loading the diagnostics. If a main memory error

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

2-10 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual5XQQLQJWKH'LVNHWWH%DVHG'LDJQRVWLFVTo run the disket

Beep Codes and Error Messages 3-1&+$37(5%HHS&RGHVDQG(UURU0HVVDJHVThis chapter describes the beep codes and error messages that are commo

3-2 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual1-3-1 Main-memory refresh verifi-cation failureFaulty or improperl

Beep Codes and Error Messages 3-36\VWHP(UURU0HVVDJHVSystem error messages typically are presented on the screen during the POST but can occur any ti

3-4 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service ManualData error Computer received un-recoverable data-read error from d

Beep Codes and Error Messages 3-5Invalid config-uration information - please run SETUP programSystem Setup program contains incorrect system configura

3-6 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service ManualMemory alloca-tion errorSoftware in use con-flicts with operating

Beep Codes and Error Messages 3-7Seek error MS-DOS unable to locate specific track on diskette or hard-disk drive.Defective diskette or hard-disk driv

ix&KDSWHU 5HPRYLQJDQG 5HSODFLQJ3DUWVRQWKH2SWL3OH[1;1HW3&&KDVVLV  Recommended Tools. . .

3-8 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual

Removing and Replacing Parts on the Low-Profile Chassis 4-1&+$37(55HPRYLQJDQG5HSODFLQJ3DUWVRQWKH/RZ 3URILOH&KDVVLVThis chapter prov

4-2 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual1. Turn off the computer and any attached peripherals.2. Disconnec

Removing and Replacing Parts on the Low-Profile Chassis 4-3power supplydiskette driveexpansion-card cageinternal hard-disk drivesystem boardCD-ROM dri

4-4 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual&RPSXWHU&RYHUTo remove the computer cover, follow these s

Removing and Replacing Parts on the Low-Profile Chassis 4-5(MHFW3RZHUDQG5HVHW%XWWRQV 1. Lay the computer cover upside down on a flat work surfac

4-6 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual)URQW3DQHO,QVHUWVTo remove a front-panel insert, follow these st

Removing and Replacing Parts on the Low-Profile Chassis 4-7&RQWURO3D QH OTo remove the control panel, follow these steps:1. Disconnect the contro

4-8 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual'ULYHVFigure 4-6 shows an example of drive hardware that can

Removing and Replacing Parts on the Low-Profile Chassis 4-9,QFK'LVNHWWH'ULYH$VVHPEO\To remove the 3.5-inch diskette drive assembly, f

xFigure 1-15. DC Power Connector P1. . . . . . . . . . . . . . . . . . . . . . . . . . . 1-24Figure 1-16. DC Power Connectors P2 (Midsize and Mini Tow

4-10 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual,QFK'ULYH$VVHPEO\To remove a 5.25-inch drive assembly

Removing and Replacing Parts on the Low-Profile Chassis 4-11+DUG'LVN'ULYH$VVHPEO\To remove the hard-disk drive, follow these steps:1. Dis

4-12 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual6\VWHP3RZHU6XSSO\To remove the system power supply, follow the

Removing and Replacing Parts on the Low-Profile Chassis 4-13([SDQVLRQ&DUGVThe computer has a removable expansion-card cage. The expansion-card ca

4-14 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual([SDQVLRQ&DUGTo remove an expansion card, follow these steps

Removing and Replacing Parts on the Low-Profile Chassis 4-155LVHU%RDUG To remove the riser board, follow these steps:1. Remove the expansion-card cag

4-16 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual6\VWHP%RDUGTo remove the system board, follow these steps:1. Dis

Removing and Replacing Parts on the Low-Profile Chassis 4-176\VWHP%RDUG&RPSRQHQWVThe subsections that follow Figure 4-15 contain procedures for

4-18 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual',00VTo remove a DIMM from one of the three DIMM sockets, fo

Removing and Replacing Parts on the Low-Profile Chassis 4-199LGHR0HPRU\You can upgrade video memory from 4 to 8 MB by installing a video-memory upgra

xiFigure 5-2. Optional-Stand Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4Figure 5-3. Computer Cover Removal. . . . . . . . . .

4-20 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual6. Enter the System Setup program, and confirm that 8 MB is shown

Removing and Replacing Parts on the Low-Profile Chassis 4-21To remove the SEC cartridge/heat sink assembly, follow these steps:1. Remove the system po

4-22 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual2. Turn off power to all peripherals, and disconnect the AC power

Removing and Replacing Parts on the Midsize Chassis 5-1&+$37(55HPRYLQJD QG5HSODFLQJ3DUWVRQWKH0LGVL]H&KDVVLVThis chapter provides proc

5-2 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual1. Turn off the computer and any attached peripherals.2. Disconnec

Removing and Replacing Parts on the Midsize Chassis 5-3power supplydiskette/tape drive interface cablehard-disk drive brackethard-disk driveinterface

5-4 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual2SWLRQDO6WDQGTo remove the optional stand, follow these steps:1.

Removing and Replacing Parts on the Midsize Chassis 5-5&RPSXWHU&RYHUTo remove the computer cover, follow these steps:1. Turn off power to all

5-6 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC Systems Service Manual(MHFW3RZHUDQG5HVHW%XWWRQV To remove the eject, power, and re

Removing and Replacing Parts on the Midsize Chassis 5-7)URQW3DQHO,QVHUWVTo remove a front-panel insert, follow these steps:1. Lay the computer cover