IBM System x3100 M4 Type 2582 Problem Determination And Service Manual page 279

8. Disengage the cables from any retention-clips.
9. Note where each cable is connected; then, disconnect all cables from the
system board.
Attention: Disengage all latches, release tabs or locks on cable connectors
when you disconnect all cables from the system board. Failing to release them
before removing the cables will damage the cable sockets on the system
board. The cable sockets on the system board are fragile. Any damage to the
cable sockets may require replacing the system board.
10. Remove any of the following components (in addition to others that might not
be listed) that are installed on the system board and put them in a safe,
static-protective place:
v Adapters (see "Removing a ServeRAID adapter" on page 176).
v DIMMs (see "Installing a memory module" on page 203).
v Battery (see "Removing the system battery" on page 207).
11. Remove the seven screws that secure the system board to the chassis.
Chapter 5. Removing and replacing server components
259