Sun Microsystems SPARC classic Service Manual page 141

Monitor control connector
(used by SBus
frame buffer cards)
NVRAM
Boot PROM
LED/speaker
connector
FIGURE 11-12
Keyboard soft
Power supply
power-on
connector
connector
AUI PTC Audio power
PTC
Main Logic Board Layout—SPARCclassic/SPARCclassic X
Chapter 11
Diskette drive
data connector
SIMM slot U0401
SIMM slot U0302
SIMM slot U0303
SIMM slot U0402
SIMM slot U0301
SIMM slot U0304
SBus slot 0
Keyboard/ I/O board
mouse PTC
edge connector
Main Logic Board and Component Replacement
Hard drive
data connector
Bank 3
Bank 2
Bank 1
Bank 3
Bank 2
Bank 1
SBus slot 1
SCSI terminator
PTC
11-19