Removal and Replacement Procedures— Small Form Factor (SFF) Chassis

7.16System Board

1.Prepare the computer for disassembly (Section 7.1, “Preparation for Disassembly”).

2.Remove the access panel and rotate the computer so the system board is parallel to the table to make it easier to work on (Section 7.3, “Computer Access Panel”).

3.Remove the front bezel (Section 7.4, “Front Bezel,”).

4.Rotate the drive cage to its full open position.

5.Remove all expansion cards (Section 7.7, “PCI Expansion Card”).

6.Remove the memory modules (Section 7.6, “Memory Modules”).

7.Remove the heatsink (Section 7.14, “Heatsink Assembly”).

8.Remove the processor (Section 7.15, “Processor”).

9.Disconnect all cables connected to the system board, noting their location for reinstallation.

10.Remove the eight screws that secure the system board to the chassis.

11.Slide the board towards the front of the computer for the rear I/O connectors to clear the chassis then, remove the system board from the chassis.

ÄCAUTION: When installing a new system board, a new processor backing plate must be attached to the system board. The heatsink will not attach properly if this plate is not installed.

 

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Service Reference Guide, dx5150