4 SPARCstation 20 Service Manual • July 1996
FIGURE 1-3 SPARCstation 20 System Overhead Interior View
Rear View
FIGURE 1-4 shows a rear view of the system. Appendix C provides additional
information. The appendix describes each connector on the back panel, lists pin
assignments, signal descriptions, and shows detailed connector illustrations.
Diskette drive
Hard disk drive(s)
Power
MBus
SBus
VSIMMs/NVSIMM
DSIMMs
NVRAM/TOD
(bottom unit)
System
board
supply
CD-ROM drive
(top unit)
OpenBoot PROM