IBM 9009-41A Manual page 45

Figure 23. PCIe adapter slot locations and locations of the LEDs in a stand-alone system.
4. Choose from the following options:
• If you want to remove a PCIe adapter when the system power is turned off, continue with step "5"
on page 31.
• If the system power is turned on and if the AIX operating system controls the slot, continue with
step "7" on page 36.
• If the system power is turned on and if the IBM i operating system controls the slot, continue with
step "8" on page 37.
• If the system power is turned on and if the Linux operating system controls the slot, continue with
step "9" on page 40.
5. To prepare the system to remove a PCIe adapter when the system is powered off, complete the
following steps:
a) Use the service indicator light-emitting diodes (LEDs) to help identify the part. For instructions,
see Identifying a part (www.ibm.com/support/knowledgecenter/POWER9/p9haj/sal.htm).
b) If necessary to view the identify LEDs or to manage cables at the rear of a rack-mounted system,
open the cable management arm by completing the following steps:
Installing, removing, and replacing PCIe adapters for the 9009-41A, 9009-42A, and 9223-42H system 31