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90 Installing System Components
5
Disconnect the SAS, interface, and power cables from the back of the SAS backplane.
6
Remove all expansion cards and the controller card. See "Removing an Expansion Card" on page 55.
7
If present, disconnect and remove the RAC card.
8
If present, remove the VRMs for processors 3 and 4. See "Removing a VRM" on page 67.
9
Place the two slide switches on each side of the chassis in the unlocked position to release the chassis
crossbar, then lift up the crossbar and remove it. See Figure 3-27.
Figure 3-27. Removing and Installing the Chassis Crossbar
10
Disconnect all data interface cables, the chassis intrusion switch cable, and the RAID battery cable (if
applicable) from the system board.
11
Disconnect the power distribution cable harness from the system board.
The power distribution cable harness and the side of the chassis have Velcro pads to hold the cable
harness in place while you remove the system board. Bend the cable harness straight up and secure it to
the side of the chassis. See Figure 3-28.
1 locked position 2 unlocked position 3 crossbar
4 guides (2) 5 slots (2) 6 slide switches (2)
4
6
1
5
2
3