55
To remove the mainboard
1 Remove all external cables from the mainboard I/O ports at the
back of the chassis.
2 Label and disconnect all internal cables connected to the PCI
add-in boards.
3 Remove all PCI add-in boards (refer to page 71 and 74).
4 Plastic curtains run the length of the electronics bay separating the
PCI add-in cards. Remove the curtains as follows:
a Release one end of the curtain from the front retention
mechanism. Lift the free end high enough to clear the chassis.
b From outside of the rear of the chassis, push down on the
other end of the curtain and pull the free end out of the
chassis.
5 Label and remove all internal cables attached to connectors on the
board.
Figure 21 - Installing the processor board
BB!H:11!vh!.!FO/cppl!!Qbhf!66!!Gsjebz-!Kbovbsz!28-!3114!!8;24!QN