Sun Microsystems SPARC classic Service Manual page 142

Keyboard soft
power-on
connector
NVRAM
LED/speaker
connector
Monitor control connectors
(used by SBus
frame buffer cards)
Boot PROM
FIGURE 11-13
11-20 SPARCclassic/SPARCclassic X/SPARCstation LX Service Manual • November 1993
Power supply
connector Video SIMM slot
Audio power Keyboard/
mouse PTC
PTC
Main Logic Board Layout—SPARCstation LX (Part 270-2233)
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
AUI PTC SCSI terminator
PTC
Hard drive
data connector
Bank 3
Bank 2
Bank 1
Bank 3
Bank 2
Bank 1
SBus slot 1
ISDN Jumper
I/O board
edge connector