IBM 2274 Personal Computer User Manual


 
104 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 screws securing the system board to
the chassis.
Lift the system board to remove from chassis.
Remove memory (DIMM) if applicable.
Remove processor if necessary.
NOTE:
System Board Installation
Before reinstallation, position the housing on its
side. When installing a new system board, push
the board to the rear and align it with the front
locating pin. Visually verify that the board is
aligned properly, then press the board down.
Be sure to reinstall the processor, DIMMs, I/O port
bracket onto the new system board if applicable.
After installing the system board, secure with
original screws.
Change all jumper settings to match those of the
original board.
Reinstall other components into the machine i.e.
drives, power supply, cables, etc.