IBM Power System Series Handbook

Table 34. FRU locations and failing components
Failing item name Physical location code Identify LED
Failing item
removal and
replacement
procedures
Disk drive backplane 1 Un-P1 No
Disk drive backplane 2 Un-P2 No
Power distribution backplane Un-P3 No
Fan 1 (left) Un-A1 Yes See Fans.
Fan 2 Un-A2 Yes
Fan 3 (right) Un-A3 Yes
VPD card Un-C1 No
Figure 50. I/O enclosure (stand-alone model, back) 7031-T24
Finding parts, locations, and addresses 135

IBM Power System Series Specifications

General

Operating System	IBM AIX, IBM i, Linux
Form Factor	Rack, Tower
Architecture	POWER
Storage	SSD, HDD, NVMe
Processor	POWER9