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Dell OptiPlex GX1 Dell OptiPlex GX1/GX1p Managed PC and OptiPlex NX1 Net PC S - Page 64

Diskette, Drive A, 5 Inch, 1.44 MB, Primary, Drives, Diagnostics Menu, Run Quick Tests, Run All

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To run the diskette-based diagnostics, follow these steps: 1. Insert a copy of the Dell Diagnostics Diskette into the diskette drive. Turn on all peripherals and the computer. 2. For OptiPlex NX1 systems, enter the System Setup program, set Diskette Drive A to 3.5 Inch, 1.44 MB, and set Primary: under Drives: to Auto (see Figure A-1). Then press to reboot the system. Starting the diagnostics causes the Dell logo to appear on the monitor screen, followed by a message indicating that the diagnostics is loading. Before 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 indicates which DIMM has failed. If no errors are found in main memory, the diagnostics loads and the Diagnostics Menu appears. 3. Observe the monitor screen for the Diagnostics Menu. This menu lets you choose the following options or exit to the MS-DOS prompt: Run Quick Tests - Runs selected tests from all test groups to quickly locate a failure or to indicate where further testing is needed to isolate a failure Run All Tests - Runs all tests for a thorough test of the system Run Specific Tests - Tests a particular area or subsystem If the Diagnostics Menu does not appear, check the diskette drive connections, insert a copy of the diagnostics diskette into the diskette drive, and reboot the system. If the Diagnostics Menu still does not appear, proceed to the next section, "Getting Help." The diskette-based diagnostics consists of the same test groups described in "Hard-Disk-Based Diagnostics (OptiPlex NX1 Systems Only)" found earlier in this chapter. For a complete description of the diskette-based diagnostics, see "Diskette-Based Diagnostics" in the online Network Administrator's Guide or online System User's Guide. If none of the troubleshooting procedures in this chapter or the tests in the server-based, hard-disk-based, or 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 Network Administrator's Guide or online System User's Guide. 2-10

Section	Page
Contents	3
System Overview	13
Chassis Differences	14
Chassis Similarities	15
Standard Features	15
Pentium II Microprocessor	15
Secondary L2 Cache	15
Main Memory	16
Upgradable BIOS in Flash Memory	16
EIDE Subsystem	16
SMART Technology	16
Integrated Diskette/Tape Drive Controller	17
Integrated SVGA Subsystem	17
Integrated Audio Controller	17
ATI Multimedia Channel	18
Telephony Application Programming Interface	18
Chassis Intrusion Detection	18
Integrated Ethernet NIC Support (Optional)	19
Network Cable Requirements	19
Full Set of I/O Ports	19
Power Supply	20
Location of Major Components	20
Advanced Expansion Features	25
OptiPlex NX1 Computer’s Expansion-Card Slot	26
Low-Profile Computer’s Expansion-Card Slots	26
Midsize Computer’s Expansion-Card Slots	26
Mini Tower Computer’s Expansion-Card Slots	28
Upgrade Options	28
Microprocessor/L2 Cache Upgrades	28
Main Memory Expansion	29
Video-Memory Upgrade Option	29
Computer Service Information	29
Online Documentation	29
System Diagnostics	30
System-Board Service Data	30
System Board	30
System Board Jumpers	32
Interrupt Assignments	33
DMA Channel Assignments	34
Hard-Disk Drive Service Information	34
Hard-Disk Drive for the Low-Profile Computer	35
Hard-Disk Drive for the Midsize Computer	35
Hard-Disk Drive for the Mini Tower Computer	36
Hard-Disk Drive for the OptiPlex NX1 Computer	36
Power-Supply Service Data	36
Pin Assignments for the DC Power Connectors	37
DC Power Distribution	38
System Power Supply for the OptiPlex NX1 Computer	43
OptiPlex NX1 Pin Assignments for the DC Power Connectors	44
DC Power Distribution for the OptiPlex NX1 Computer	45
Technical Specifications	47
Basic Troubleshooting	55
Initial User Contact	55
External Visual Inspection	56
Observing the Boot Routine	57
Internal Visual Inspection	58
Eliminating Resource Conflicts	59
Running the System Diagnostics	59
Server-Based Diagnostics	60
Hard-Disk–Based Diagnostics (OptiPlex NX1 Systems Only)	61
Diskette-Based Diagnostics	62
Connecting an External Diskette Drive to the OptiPlex NX1 Computer	63
Running the Diskette-Based Diagnostics	64
Getting Help	64
Beep Codes and Error Messages	65
POST Beep Codes	65
System Error Messages	67
Removing and Replacing Parts on the Low-Profile Chassis	73
Recommended Tools	73
Precautionary Measures	73
Inside the Computer	74
Computer Cover	76
Eject, Power, and Reset Buttons	77
Front-Panel Inserts	78
Control Panel	79
Drives	80
Externally Accessible Drive Assemblies	80
3.5-Inch Diskette Drive Assembly	81
5.25-Inch Drive Assembly	82
Hard-Disk Drive Assembly	83
System Power Supply	84
Expansion Cards	85
Expansion-Card Cage	85
Expansion Card	86
Riser Board	87
System Board	88
System Board Components	89
DIMMs	89
Video Memory	90
Microprocessor	91
SEC Cartridge/Heat Sink Assembly	91
System Battery	92
Removing and Replacing Parts on the Midsize Chassis	95
Recommended Tools	95
Precautionary Measures	95
Inside the Computer	96
Optional Stand	98
Computer Cover	99
Eject, Power, and Reset Buttons	100
Front-Panel Inserts	101
Control Panel	102
Drives	103
Externally Accessible Drive Assemblies	103
3.5-Inch Diskette Drive Assembly	104
5.25-Inch Drive Assembly	105
Hard-Disk Drive Bracket	106
Hard-Disk Drive	107
System Power Supply	108
Expansion Cards	109
Expansion-Card Cage	109
Expansion Card	110
Riser Board	111
System Board	112
System Board Components	113
DIMMs	113
Video Memory	114
Microprocessor	115
SEC Cartridge/Heat Sink Assembly	115
System Battery	116
Removing and Replacing Parts on the Mini Tower Chassis	119
Recommended Tools	119
Precautionary Measures	119
Inside the Computer	120
Computer Cover	122
Front Bezel	123
Eject, Power, and Reset Buttons	124
Front-Panel Inserts	125
Control Panel	127
Drives	128
Externally Accessible Drive Assemblies	128
3.5-Inch Diskette Drive Assembly	129
5.25-Inch Drive Assembly	130
Hard-Disk Drive Bracket	132
Hard-Disk Drive	133
System Power Supply	134
Expansion Cards	135
Expansion-Card Cage	135
Expansion Card	136
Riser Board	137
System Board	138
System Board Components	139
DIMMs	139
Video Memory	140
Microprocessor	141
SEC Cartridge/Heat Sink Assembly	141
System Battery	142
Removing and Replacing Parts on the OptiPlex NX1 Net PC Chassis	145
Recommended Tools	145
Precautionary Measures	146
Inside the Computer	146
Optional Stand	147
Computer Cover	148
Control Panel	150
Hard-Disk Drive	151
System Power Supply	152
Expansion-Card Cage	153
Expansion Card	154
Riser Board	155
System Board	156
System Board Components	157
DIMMs	157
Video Memory	158
Microprocessor	159
SEC Cartridge/Heat Sink Assembly	159
System Battery	160
System Setup Program	163
System Setup Screens	164
Device List	168

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2-10

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To run the diskette-based diagnostics, follow these steps:

Insert a copy of the

Dell Diagnostics Diskette

into the diskette drive. Turn

on all peripherals and the computer.

For OptiPlex NX1 systems, enter the System Setup program, set

Diskette

Drive A

3.5 Inch, 1.44 MB

, and set

Primary:

under

Drives:

Auto

(see

Figure A-1). Then press <Alt><B> to reboot the system.

Starting the diagnostics causes the

Dell

logo to appear on the monitor

screen, followed by a message indicating that the diagnostics is loading.

Before 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 indicates which DIMM has failed. If no errors are

found in main memory, the diagnostics loads and the

Diagnostics Menu

appears.

Observe the monitor screen for the Diagnostics Menu.

This menu lets you choose the following options or exit to the MS-DOS

prompt:

Run Quick Tests

— Runs selected tests from all test groups to quickly

locate a failure or to indicate where further testing is needed to isolate

a failure

Run All Tests

— Runs all tests for a thorough test of the system

Run Specific Tests

— Tests a particular area or subsystem

If the

Diagnostics Menu

does not appear, check the diskette drive connec-

tions, insert a copy of the diagnostics diskette into the diskette drive, and

reboot the system.

If the Diagnostics Menu still does not appear, proceed

to the next section, “Getting Help.”

The diskette-based diagnostics consists of the same test groups described in

“Hard-Disk–Based Diagnostics (OptiPlex NX1 Systems Only)” found earlier in

this chapter. For a complete description of the diskette-based diagnostics, see

“Diskette-Based Diagnostics” in the online

Network Administrator’s Guide

online

System User’s Guide.

*HWWLQJ±+HOS

If none of the troubleshooting procedures in this chapter or the tests in the

server-based, hard-disk–based, or diskette-based diagnostics reveals the

source of the problem or leads to the proper troubleshooting steps for deter-

mining the source of the problem, call Dell for technical assistance. For

instructions, see “Contacting Dell” in the online

Network Administrator’s

Guide

or online

System User’s Guide.