Reference Codes - IBM PS703 Service Manual

Table 7. Location codes for PS704 (continued)
Components
DIMM 23
DIMM 24
DIMM 25
DIMM 26
DIMM 27
DIMM 28
DIMM 29
DIMM 30
DIMM 31
DIMM 32
2.5" SAS disk drive
Solid-state drive carrier
Solid-state drive 1 (top drive)
Solid-state drive 2 (bottom drive)
CFFh expansion card
CIOv form-factor expansion card
Ethernet port 0
Ethernet port 1
Integrated SAS controller
Machine location code
Um codes are for firmware. The format is the same as for a Un location code.
Um = Utttt.mmm.sssssss
Firmware version

Reference codes

Reference codes are diagnostic aids that help you determine the source of a hardware or operating
system problem. To use reference codes effectively, use them in conjunction with other service and
support procedures.
20
Power Systems: Problem Determination and Service Guide for the IBM PS703 (7891-73X) and PS704 (7891-74X)
Physical location code
Un-P2-C7
Un-P2-C8
Un-P2-C9
Un-P2-C10
Un-P2-C11
Un-P2-C12
Un-P2-C13
Un-P2-C14
Un-P2-C15
Un-P2-C16
Un-P2-D1
Un-P2-C18
Un-P2-C18-D1
Un-P2-C18-D2
Un-P2-C20
Un-P2-C19
Un-P2-T3
Un-P2-T4
Un-P2-T5
Utttt.mmm.sssssss
CRU LED
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Um-Y1