PCI Adapters
With this system, you can install PCI adapters with the power on. These adapters are referred to as
hot-pluggable PCI adapters. Some adapters are not hot-pluggable and power must be removed from the
system for adapter installation.
Before you install the adapter, determine if the PCI adapter you are installing is hot-pluggable. See the PCI
Adapter Placement Reference, order number SA38-0538.
If you are removing a PCI adapter that is:
v Not hot-pluggable, go to “Non-Hot-Pluggable PCI Adapter.”
v Hot-pluggable, go to “Hot-Pluggable PCI Adapter” on page 419.
Non-Hot-Pluggable PCI Adapter
Removal
To remove a non-hotpluggable adapter, do the following:
1. Turn off power and unplug the system unit power cable from the electrical outlet.
If the system is operating under AIX, type shutdown to power off the system.
If you cannot use this method, you can power off the system by using the following operator panel
power button procedure.
Attention: Using the primary I/O drawer operator panel power button to power off the system may
cause unpredictable results in the data files, and the next IPL will take longer to complete.
a. Open the rack door.
b. Press the power button on the primary I/O drawer operator panel.
The primary I/O drawer operator panel Power LED starts blinking at a fast rate. B0FF displays in the
primary operator panel display.
When the power-off sequence is complete, the system will go into Standby mode, as evidenced by:
v OK displays in the primary operator panel display.
v The primary I/O drawer operator panel LED will start blinking at a slow rate.
v The CEC drawer power LED will start blinking at a slow rate.
2. Place the I/O drawer in the rear service position, as follows:
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.
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
two detents on the top of the drawer.
3. Remove the two thumbscrews, and remove the top cover from the drawer.
4. Determine the slot from which you are removing the adapter.
5. Disconnect any cables that are connected to the adapter being removed.
6. Turn the locking latch and lift the plastic stop for the adapter.
7. Carefully grasp the adapter by the edges and pull it straight out from the I/O board.
8. If you are installing another adapter in this slot, follow the instructions given under ″Replacement″
below.
Chapter 10. Removal and Replacement Procedures 417
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