IBM 6151 Maintenance And Service Manual page 54

Service Repair Action Number
The remaining digits of the SRN are divided into three-digit SRA
numbers. The left two digits of the SRA number is the FRU/PIC
code. The right digit of the SRA number is the location number.
Use the following SRN for an example.
13-234-100-B34-D64
FRU/PIC Code Location
1 - Adapter slot 1
See the"Service Repair Action
2 - Adapter slot 2
Number Chart" in Section 3 3 - Adapter slot 3
or Appendix B for more
4 - Adapter slot 4
information. 5 - Adapter slot 5
6 - Adapter slot 6
7 - Adapter slot 7
8 - Adapter slot 8
9· Reserved
o-
System board
A through R - Identifies system board
slots, drive positions, switch banks,
or memory module positions.
2-22 Service Manual
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