Main
Page
Contents
Chapter 1 System Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Chapter 2 Basic Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Chapter 3 Beep Codes and Error Messages . . . . . . . . . . . . . . . . . . 3-1
Chapter 4 Removing and Replacing Parts . . . . . . . . . . . . . . . . . . . 4-1
Appendix A System Setup Program . . . . . . . . . . . . . . . . . . . . . . . . . . A-1
Index Figures
Tables
Page
ead This First
W
arnings, Cautions, and Notes
Chapter 1
System Overview
ystem Features
Figure 1-1. System Unit Orientation
1-4 Dell OptiPlex GX
Systems Service Manual
Figure 1-2. Front-Panel Features
Figure 1-3. Internal View
Dual-Processor Capability
Advanced Expansion Subsystem
Figure 1-4. Riser-Board Expansion-Card Connectors
Hard-Disk Drive Options
Enhanced Dual-Interface EIDE Subsystem
Audio Controller
PCI Video Card
NIC
USB
Desktop Chassis
Thermal Monitoring
ystem Unit
System Power Supply
Pin Assignments for the DC Power Connectors
Table 1-1. DC Voltage Ranges
System Overview 1-9
Figure 1-5. DC Power Connector P1
Figure 1-6. DC Power Connectors P2, P3, P4, P5, and P6
P2, P3, P5, P6
1-10 Dell OptiPlex GX
Systems Service Manual
DC Power Distribution
Figure 1-8. DC Power Cables
Figures 1-8 and 1-9 provide the following information about DC power distribution:
P7
Figure 1-9. Power Distribution
System Overview 1-11
1-12 Dell OptiPlex GX
Systems Service Manual
System Board Layout
The subsections that follow provide service-related information about the sys- tem board components.
Figure 1-10. System Board Components
Video Memory
Main Memory
Figure 1-11. System Board Jumpers
System Board Jumpers
nterrupt Assignments
Table 1-2. Jumper Descriptions
Table 1-3. Interrupt Assignments
D
MA Channel Assignments
Table 1-4. DREQ Line Assignments
Table 1-3. Interrupt Assignments (continued)
echnical Specifications
Table 1-5. Technical Specifications
Page
Page
Page
Page
Chapter 2
Basic Troubleshooting
nitial User Contact
xternal Visual Inspection
O
bserving the Boot Routine
nternal Visual Inspection
liminating Resource Conflicts
unning the Diskette-Based Diagnostics
G
etting Help
Chapter 3
Beep Codes and Error Messages
P
OST Beep Codes
Table 3-1. POST Beep Codes
Table 3-1. POST Beep Codes (continued)
ystem Error Messages
Table 3-2. System Error Messages
Page
Page
Page
Page
Page
Page
Chapter 4
Removing and Replacing Parts
ecommended Tools
P
recautionary Measures
F
loor Stand
Figure 4-1. Floor Stand Removal
ystem Unit Cover
Figure 4-2. System-Unit Cover Removal
Figure 4-3. Padlock Removal
ject, Power, and Reset Buttons
Figure 4-4. Eject, Power, and Reset Button Removal
F
ront-Panel Inserts
Figure 4-5. Front-Panel Insert Removal
ndicator Card
Figure 4-6. Indicator Card Removal
peaker
Figure 4-7. Speaker Removal
Removing and Replacing Parts 4-9
D
rives
Figure 4-8. Drive Hardware
Drives in the Drive Cage
Figure 4-9. 3.5-Inch Diskette Drive Removal
Page
Hard-Disk Drives
Figure 4-11. Hard-Disk Drive Bracket Removal
Figure 4-12. Hard-Disk Drive Removal
ystem Power Supply
Figure 4-13. Power Supply Removal
M
icroprocessor Fan
Figure 4-14. Microprocessor Fan Removal
4-16 Dell OptiPlex GX
Systems Service Manual
ystem Board Components
The subsections that follow contain procedures for removing system board components.
Figure 4-15. System Board Components
Expansion Cards
Expansion-Card Cage
Figure 4-16. Expansion-Card Cage Removal
Expansion Card
Figure 4-17. Expansion-Card Removal
Riser Board
Figure 4-18. Riser Board Removal
DIMMs
Figure 4-19. DIMM Removal
Figure 4-20. DIMM Installation
Microprocessor/Heat Sink Assembly
Figure 4-21. Microprocessor Securing Clip
Figure 4-22. Microprocessor Removal
Terminator or Add-In Card
Terminator Card
Figure 4-23. Terminator Card Removal
Add-In Card
Figure 4-24. Add-In Card Removal
System Battery
Figure 4-25. System Battery Removal
ystem Board
Figure 4-26. System Board Removal
Appendix A
System Setup Program
A-2 Dell OptiPlex GX
Systems Service Manual
ystem Setup Screens
XXXXX
Figure A-1. System Setup Screens
XXXXX
Table A-1. System Setup Categories
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Page
Page
Index
Numbers
A
B
C
E
F
H
I
J
L
M
N
P
R
T
U
V
