15. When you are instructed to remove the adapter from the adapter slot, disconnect any cables that are
connected to the adapter being removed.
16. Turn the locking latch and lift the plastic stop for the adapter.
17. Carefully grasp the adapter by the edges and pull it straight out from the I/O board.
18. If you are not installing another adapter in this slot, place a blank slot cover in the adapter slot and
then lower the plastic stop over the adapter bracket. Rotate the locking latch clockwise until it clicks
into the locked position.
19. Continue to follow the screen instructions until you receive a message that the adapter removal is
successful. Successful removal is indicated by the OK message displayed next to the Command field
at the top of the screen.
20. If you do not have other adapters to remove, continue with the next step.
OR
If you have other adapters to remove, press the F3 key to return to the PCI Hot-Plug Manager menu
and then return to step 12 on page 419.
21. Press F10 to exit the Hot-Plug Manager.
22. If you have added, removed, or replaced any adapters, run the diag -a command. If the system
responds with a menu or prompt, follow the instructions to complete the device configuration.
23. Replace the system unit covers and return the drawer to the normal operating position.
Replacing a Hot-Pluggable PCI Adapter
Note: Use this procedure only when you are replacing an adapter with an identical adapter. If you are
replacing an adapter with an adapter that is not identical to the adapter removed, go to “Removing
a Hot-Pluggable PCI Adapter” on page 419 and “Installing a Hot-Pluggable PCI Adapter” on page
422.
To replace an adapter, do the following:
1. Place the I/O drawer in the rear service position:
a. If you have not already done so, open the front door of the rack unit.
b. Loosen the two thumbscrews that attach the front bezel to the drawer.
c. Grasp both sides of the front bezel and pull the bezel off the drawer.
d. If you have not already done so, open the rear door of the rack unit.
e. If present, remove the two retaining screws that secure the drawer to the rails. Refer to “Rear
Service Position” on page 463.
f. Ensure that the cables do not restrain drawer movement.
g. Grasp the bar at the rear of the drawer, and pull the drawer to the rear until it is stopped by the
detents.
2. Remove the two thumbscrews and remove the top cover from the drawer.
3. Determine the slot from which you are removing the adapter.
4. Ensure that any processes or applications that might use the adapter are stopped.
Note: Removing a hot-pluggable PCI adapter requires the system administrator to take the PCI
adapter offline before performing any PCI adapter hot-plug procedures. Before taking an
adapter offline, the devices attached to the adapter must be taken offline as well. This action
prevents a service representative or user from causing an unexpected outage for system
users.
For additional information about taking an adapter offline or removing it from the system
configuration, see the AIX System Management Guide: Operating System and Devices. This
420 Service Guide
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