IBM Power Series Handbook page 44

Figure 22. PCIe SAS RAID and SSD adapter locations
The following table provides location codes for parts that comprise the server.
Table 9. FRU location table
Failing item name
System unit
Fans
Fan 1
Fan 2
Fan 3
Fan 4
Fan 5
Fan 6
Fan 7
Power supplies
Power supply 1
Power supply 1 - Cord connector
Power supply 2
Power supply 2 - Cord connector
Backplanes
System backplane
Time-of-day
Time-of-day battery
Storage backplane interposer
32
Finding parts, locations, and addresses
Physical location code
Un
Un-P1-A1
Un-P1-A2
Un-P1-A3
Un-P1-A4
Un-P1-A5
Un-P1-A6
Un-P1-A7
Un-E1
Un-E1-T1
Un-E2
Un-E2-T1
Un-P1
Un-P1
Un-P1-E1
Un-P2
Failing item
removal and
replacement
Identify LED procedures
Yes See Fans.
Yes
Yes
Yes
Yes
Yes
Yes
Yes See Power
supply.
Yes
Yes
Yes
Yes See System
backplane.
See Time-of-day
battery.
Yes