5-10 Disassembly and Reassembly
System Board Removal
Remove the system board per the following steps.
1.
Remove the system access cover, expansion boards, fan assembly, and
power supply as previously described.
2.
Remove and label all cables connected to the system board. Appendix B
provides the connector identifiers and pin assignments for each connector.
3.
Locate and remove the one screw at the rear of the unit that secures the
system board to the system unit (see the following figure).
Removing the System Board Screw
4.
Slide the system board towards the front of the unit until is clear of the metal
shielding and the alignment clips.
5.
Lift the board out of the system at an angle.
6.
If replacing the system board, remove any installed DIMMs from the board.
Reinstall the DIMMs on the new board.
7.
Replace the access cover and reconnect all the cables. Turn the system and
monitor on and note the initial boot up screen. If the displayed board’s
processor speed does not match the actual processor, use the following
procedure to set the system’s processor speed.
The following steps adjust the system’s processor speed.
1.
Turn off the system and remove the access cover.
2.
Locate jumper J8E1 on the system board.
3.
Move the jumper block from pins 1 and 2 (normal mode) to pins 2 and 3
(configure mode).
4.
Turn on the system. The Maintenance menu appears showing the processor
speed.
