HP D7171A - NetServer - LPr Installation Manual page 62

Chapter 6
WARNING
Always power off the PCI slot before opening the slot latch
when an accessory board is installed in the slot. Failure to
power off the slot before opening the latch might crash or
damage the system.
1. Log off users, and shut down the NetServer according to your NOS
instructions.
2. Power off the NetServer.
3. Disconnect the power cords and cables and, if necessary, label each one to
support reassembly.
NOTE
The power supply modules will continue to provide standby
current to the NetServer until the power cords are
disconnected.
4. Slide out the NetServer from the rack and open the accessory board access
panel.
5. Identify the PCI slot where you will install the board. See Figure 6-2.
NOTE If you are installing PCI hot-plug accessory boards in Slots 3,
4, 5, and 6, see the section, "PCI Hot-Plug Accessory Boards,"
for installation information.
NOTE PCI slots are keyed to prevent an accessory board from being
inserted into the wrong slot.
6. Release the PCI locking lever and open the retainer (see Figure 6-3). The
lever and retainer are used to keep the accessory board in place and to
activate the PCI slot power switch and PCI LED on the rear panel.
7. Remove the PCI slot cover from the NetServer's rear panel before the
installing the accessory board. See Figure 6-3.
54
Installing Additional Boards