108   IBM Desktop System HMM
System Board
•
Remove all adapter cards. 
•
Disconnect all cables connected to the system 
board. Note the location and orientation of all 
cables.
•
Remove the seven screws securing the system 
board to the chassis.
•
Lift the system board to remove from chassis.
•
Remove memory (RIMM) if applicable.
•
Remove processor if necessary.
•
Remove the four screws securing the brackets to 
the system board.