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• 9009-41A, 9009-41G, 9009-42A, 9009-42G, 9223-42H, or 9223-42S locations (http://
www.ibm.com/support/knowledgecenter/POWER9/p9ecs/p9ecs_914_924_loccodes.htm)
• 9040-MR9 locations (http://www.ibm.com/support/knowledgecenter/POWER9/p9ecs/
p9ecs_950_loccodes.htm)
2. Record the location code.
3. Refer to the field replaceable unit (FRU) location table, Identify LED column to see if the word Yes
(there is an identify LED) or No (there is not an identify LED) appears.
4. Choose one of the following options:
• If the part has an identify LED, refer to the applicable procedure:
– If your system is at runtime state, see "Identifying a part by using the operating system or VIOS"
on page 7.
– If your system is at standby power state, see "Identifying a part by using the ASMI" on page 11.
• If the part does not have an identify LED, see Identifying the enclosure or server that contains the
part.
Identifying a part by using the operating system or VIOS
Learn how to use the operating system or the Virtual I/O Server (VIOS) to identify a part.
About this task
For IBM Power Systems that contain the POWER9
verify the location of a part that you intend to install, remove, or replace. The identify function (flashing
the amber LED) corresponds to the location code that you will be using.
When you are removing a part, first verify whether you are working on the correct part by using the
identify function in the management console or other user interface. When you remove a part by using the
Hardware Management Console (HMC), the identify function is activated and deactivated automatically at
the correct times.
The identify function causes the amber LED to flash. When you turn off the identify function, the LED
returns to the state it was previously. For parts that have a blue service button, the identify function sets
LED information for the service button so that when the button is pressed, the correct LEDs on that part
flash.
Note: Use the enclosure blue Identify LED to identify the enclosure that is being serviced. Then, confirm
and verify the location of the FRU (to be serviced) in the enclosure by checking the active identify
indicator (flashing LED) for the selected FRU. For some FRUs, you might need to remove the service
access cover to be able to see the identify indicators.
Identifying a part in an AIX system or logical partition
Use these instructions to learn how to locate a part, activate the indicator light for the part, and deactivate
the indicator light for the part on a system or logical partition running the AIX
Finding the location code for a part in an AIX system or logical partition
You might need to use one ore more AIX tools before activating the indicator light to locate a part.
Procedure
1. Log in as root user or celogin-.
2. At the command line, type diag and press Enter.
3. From the Function Selection menu, select Task Selection and press Enter.
4. Select Display Previous Diagnostic Results and press Enter.
5. From the Display Previous Diagnostic Results display, select Display Diagnostic Log Summary.
The Display Diagnostic Log display shows a chronological list of events.
6. Look in the T column for the most recent S entry. Select this row in the table and press Enter.
™
processor, the identify LEDs can be used to identify or
Common procedures for installable features 7
®
operating system.
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