Removing a PCI adapter contained in a cassette from the system with the power on in the AIX environment

You can remove a PCI adapter with the system power on in the AIX® environment.

1. Complete the prerequisite tasks that are described in Before you begin.
2. If you are removing a PCI adapter in a rack-mounted system or expansion unit, follow these steps:
   1. Open the rear rack door.
   2. Remove the units cover or covers if applicable. For instructions see the Related information links at the end of the page.
3. Determine the location of PCI adapter in the system.
4. Record the slot number and location of each adapter being removed.
   Note: Adapter slots are numbered on the rear of the system unit.
5. Ensure that any processes or applications that might use the adapter are stopped.
6. Enter the system diagnostics by logging in as root user or as the celogin user, type diag at AIX command line.
7. When the DIAGNOSTIC OPERATING INSTRUCTIONS menu displays, press Enter.
8. At the FUNCTION SELECTION menu, select Task Selection, and then press enter.
9. At the Task Selection list, select PCI Hot Plug Manager.
10. Select Unconfigure a Device, and then press Enter.
11. Press F4 (or Esc +4) to display the Device Names menu.
12. Select the adapter you are removing in the Device Names menu.
13. Use the Tab key to answer NO to Keep Definition. Use the Tab key again to answer YES to Unconfigure Child Devices, and then press Enter. The ARE YOU SURE screen displays.
14. Press Enter to verify the information. Successful unconfiguration is indicated by the OK message displayed next to the Command field at the top of the screen.
15. Press F4 (or Esc +4) twice to return to the Hot Plug Manager menu.
16. Select replace/remove PCI Hot Plug adapter.
17. Select the slot that has the device to be removed from the system.
18. Select remove. A fast-blinking amber LED located at the back of the machine near the adapter indicates that the slot has been identified.
19. Label all cables attached to the adapter you plan to remove.
20. Press Enter. This places the adapter in the action state, meaning it is ready to be removed from the system.
21. Disconnect all cables attached to the adapter you plan to remove.
22. Before handling any PCI adapter, see Handling static-sensitive devices.
23. Pull down the cassette handle (A) as shown in the following figure. Pull the PCI cassette out of the system.
    Attention: A cassette containing either a PCI adapter or filler panel must be placed in the PCI adapter slot of the system unit for proper air flow and cooling.
    Figure 1. PCI adapter cassette removed from the system unit

    
24. Place the cassette with the cover facing up on an approved ESD surface.
    Note: The cover will have a label on it.
25. 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.
26. 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 21.

    or

    If you do not have other adapters to remove, continue with the next step.

27. Press F10 to exit the Hot-Plug Manager.
28. Run the diag -a command. If the system responds with a menu or prompt, follow the instructions to complete the device configuration.
29. Place an empty cassette into the unused PCI slot for proper air flow.
    • To remove the adapter from the PCI adapter cassette, see Removing an adapter from the PCI adapter single-width, fourth generation cassette.
    • To install an adapter in the system, see Installing a PCI adapter contained in a cassette with the power on in the AIX environment.