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CHAPTER
12
Illustrated Parts Breakdown
This chapter lists the authorized replaceable parts for the SPARCstation 20 system.
Note – The listed part numbers are correct as of the service manual publication date
but are subject to change without notice. Consult your authorized Sun sales
representative or service provider to confirm a part number prior to ordering a
replacement part
Replacement Parts List
The following table lists the FRUs and associated part numbers.
TABLE 12-1 Replacement Parts List and Part Numbers
Replaceable Parts Part Numbers
System board (0 Mbytes, 0 CPU) 501-2924
SCSI backplane 501-2462
OpenBoot PROM 525-1377
NVRAM/TOD chip 525-1378
NVSIMM, 2-Mbyte 501-2001
VSIMM, 4-Mbyte 501-2481
VSIMM, 8-Mbyte 501-2482