Compaq dx2818 - Microtower PC Specifikace stáhnout pdf (Strana 131)

System Board

1. Prepare the computer for disassembly (Preparation for Disassembly on page 83).

2. Remove the access panel (

Access Panel on page 84).

3. Remove the front bezel (

Front Bezel on page 85).

4. Loosen the plastic cable fasteners (

Plastic Wire/Cable Fastener and Clips on page 113).

5. Remove all PCI and PCI Express expansion boards (

Removing or Installing an Expansion Card

on page 109).

6. Remove all memory modules (

Memory on page 104).

7. Disconnect all data and power cables from the system board.

8. Remove the heatsink (

Heatsink on page 117).

9. Remove the power supply (

Power Supply on page 119).

10. Remove the eight screws that secure the system board to the chassis, slide the board about 1.25

cm (1/2 inch) toward the front of the chassis, and then lift the board out of the chassis.

To install the system board, reverse the removal procedure.

CAUTION: Before reinstalling the heatsink you must clean the top of the processor and the bottom of

the heatsink with an alcohol pad supplied in the spares kit. After the alcohol has evaporated, apply

thermal grease to the top of the processor from the syringe supplied in the spares kit.

CAUTION: When reconnecting the cables it is important that they be positioned so they do not interfere

with the rotation of the drive cage or power supply.

NOTE: When replacing the system board, you must also change the chassis serial number in the

BIOS.

System Board 121

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Compaq dx2818 - Microtower PC Specifikace Strana 131