IBM Power System 9008-22L Manual page 43

Figure 19. Releasing the mounting bracket
2) Swing the cable management arm away from the system.
In the image, the inner cable management arm tab is shown on the left side as you are facing
the system from the rear. However, the cable management arm can also be installed so that
the inner cable management arm tab is on the right side of the system.
CAUTION: To avoid causing damage to the arm, open the cable management arm just
long enough to complete these repairs.
f) Physically verify that the slot you identified is where you want to remove the adapter.
• Use the blue identify LED on the enclosure to locate the system. Ensure that the serial number
of the system matches the serial number to be serviced.
• Look for a flashing amber LED, which identifies the slot that was selected by using the identify
function.
g) Continue with step "10" on page 34.
8. To prepare to remove a PCIe adapter by using the IBM i operating system, complete the following
steps:
a) You must take the PCIe adapter offline before you remove and replace a PCIe adapter when the
system power is turned on (hot-plugging). Before you take an adapter offline, the devices that are
attached to the adapter must be taken offline as well. This action must be done by a system
Installing, removing, and replacing PCIe adapters in the 9008-22L, 9009-22A, or 9223-22H system 29