Compaq dc5800 - Microtower PC Reference Guide

System Board
1. Prepare the computer for disassembly (Preparation for Disassembly on page 61).
2. Remove the computer access panel (
Computer Access Panel on page 66).
3. Remove all expansion boards (
Expansion Cards on page 73).
4. Disconnect all cables connected to the system board, noting their location for reinstallation.
5. Remove the heatsink (
Heatsink on page 99).
6. Remove the seven screws that secure the system board to the chassis.
7. Slide the system board toward the front of the computer to disengage the I/O panel from the rear
of the chassis.
8. Lift the system board out of the computer.
When reinstalling the system board, first insert the I/O panel back into the slots in the rear of the chassis,
and then align the board with the chassis screw holes.
NOTE: When replacing the system board, you must change the chassis serial number in the BIOS.
106 Chapter 7 Removal and Replacement Procedures Microtower (MT) Chassis

Compaq dc5800 - Microtower PC Specifications

General

Processor	Intel Core 2 Duo, Intel Pentium Dual-Core, Intel Celeron
Memory	Up to 8 GB DDR2 SDRAM
Graphics	Integrated Intel Graphics Media Accelerator 3100
Optical Drive	DVD-ROM, DVD+/-RW
Form Factor	Microtower
Expansion Slots	1 PCI, 2 PCIe x1, 1 PCIe x16
Audio	Integrated High Definition Audio
Network	Integrated Gigabit Ethernet
Ports	VGA, Serial, Parallel, PS/2, Audio in/out
Operating System	Windows Vista Business, Windows XP Professional
Power Supply	300W
USB Ports	8 USB 2.0 (2 front, 6 rear)