IBM 6151 Maintenance And Service Manual page 62

Step 3
Compare the leftmost SRA number in your SRN to the SRAs in the
table below.
SRA
Number Go to PIC
21x "Memory Expansion Option PIC 2100" on page 3·2100-1
37x "Memory Expansion Option PIC 2100" on page 3-2100-1
42x "IBM PC Enhanced Graphics Adapter Memory PIC 4200" on
page 3-4200-1
44x "IBM PC Enhanced Graphics Adapter Memory PIC 4200" on
page 3-4200-1
880 "Power Supply PIC 8800" on page 3-8800-1
981 "POST Errors 5c or 05 PIC 9810" on page 3-9810-1
984 "POST Error 23 PIC 9840" on page 3-9840-1
986 "Undetermined Problem PIC 9860" on page 3-9860-1
IS THE LEFTMOST SRA NUMBER OF YOUR SRN IN THE
TABLE?
YES Go to the PIC indicated in the table.
NO Continue on the next page.
3-0010-4 Service Manual