IBM Power System Series Handbook

Table 15. FRU location table (continued)
Failing item name Physical location code Identify LED
Failing item
removal and
replacement
procedures
Fan 1 Un-A1 Yes See Fans.
Fan 2 Un-A2 Yes
Fan 3 Un-A3 Yes
Fan 4 Un-A4 Yes
Power supplies
Power supply 1 Un-E1 Yes See Power
supply.
Power supply 2 Un-E2 Yes
Backplanes
Input/output backplane with embedded:
v Ethernet controller
v USB controller (AIX or Linux only)
v SAS controllers
v Logic oscillator
v Service processor
v SPCN
v Time-of-day
Un-P1 Yes See System
backplane.
Battery Un-P1-E1
Disk drive and media backplane Un-P2 Yes See Disk drive
backplane.
System backplane ports
System serial port 1 (rear view - left
connector)
Un-P1-T1
System serial port 2 (rear view - right
connector)
Un-P1-T2
Embedded USB front port Un-D1-T1
Embedded USB rear port 1 Un-P1-T3
Embedded USB rear port 2 Un-P1-T4
SPCN port 1 (rear view - left connector) Un-P1-T5
SPCN port 2 (rear view - right
connector)
Un-P1-T6
HMC 1 (rear view - left connector) Un-P1-T7
HMC 2 (rear view - right connector) Un-P1-T8
Dual 10 GB Ethernet port 1 (top RJ45
connector)
Un-P1-C6-T1
Dual 10 GB Ethernet port 2 (bottom RJ45
connector)
Un-P1-C6-T2
Quad 1 GB Ethernet port 1 (top RJ45
connector)
Un-P1-C6-T1
Quad 1 GB Ethernet port 2 (middle top
RJ45 connector)
Un-P1-C6-T2
50 Finding parts, locations, and addresses

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