HP Integrity rx3600 Server User Service Guide

4. If rack installed, slide the server completely out from the rack. See “Extending the Server from
the Rack” (page 164).
5. Remove the top cover. See “Removing the Top Cover” (page 165).
6. Disconnect the internal USB cable from the connector on the core I/O board (Figure 74).
7. Disconnect the SAS cables attached to the SAS core I/O card in PCI slot 1.
CAUTION: When disconnecting the SAS cables, note the labeling on the cables. Both cables
and sockets are clearly marked with the correct channel. When reconnecting these cables,
match each cable with the appropriate socket on the SAS core I/O card. If the cables are
mismatched, the server operating system may not reboot.
8. Slide the server completely back into the rack.
9. Open the cable management arm wide enough to slide the I/O board out the rear of the
rack.
10. Disconnect all external cabling attached to ports at the rear of the chassis.
11. Press in on the retention levers to unlock the I/O board assembly extraction handles (Figure 74).
Figure 74 I/O Board Assembly
12. Pull the I/O board assembly extraction handles outward to unplug the I/O board assembly
from the socket on the midplane board.
Removing and Replacing the I/O Board Assembly 207