Service Reference Guide, dc5100 376220-001 6–27
Removal and Replacement Procedures— Microtower (MT) Chassis
6.16 System Board
1. Prepare the computer for disassembly (Section 6.1, “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 6.3, “Access Panel”).
3. Remove all PCI expansion boards (Section 6.7.2, “PCI Expansion Card”).
4. Disconnect all cables connected to the system board, noting their location for reinstallation.
5. Remove the 3-1/4” drives from the drive cage to make it easier to handle the system board.
6. Remove the eight screws that secure the system board to the chassis 1 then, slide the system
board towards the front of the chassis 2 to remove it.
To install the system board, reverse the removal procedures.
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