240 SPARCstation 20 Service Manual • July 1996
operating, 6
overhead interior view, 4
software requirements, 6
SX graphics option, 6
video SIMMs, 6
speaker, 1
connectors, 66
cover, 64
cover detail, 65
cover tabs, 64
installing, 66
removing, 64
spade connectors, 65
surface, 64, 66
terminals, 65, 66
speaker/LED cable, 63
speaker/LED cable detail, 61
specifications
electrical (17-inch monitor), 192
electrical (20-inch monitor), 193
electrical (system unit), 192
environmental, 194
physical, 191
product, 191
standard
external cables, 189
features, 1
standby
power switch, 45
switch, 40
static electricity, 159
storage devices, 117
subassemblies, 2, 3
SunCD 2Plus
jumper settings, 125
rear view, 125
SunCD 4 drive
jumper settings, 125
rear view, 125
SunDiag system exerciser, 11, 14
SunOS
4.1.3_U1, 6
5.3, 6
SunVTS
documentation, 15
kernel, 15
tty, 16
user interface, 15
SX graphics option, 6
symbols, 40
system
architecture, 195
interior view, 3
overview, 195
power, 45
SCSI options, external, 7
system board, 171, 196
block diagram, 197
captive screws, 172, 176
connector pinouts, 205
description, 140
exploded view, 142
FRUs, 141
installing, 175
jumper settings, 174
major components, 188
overview, 139
removing, 171, 173
SIMM slot locations, 36
test, 31
system board replacement, 143
system LED location, 24
T
tape drive, 7
terminals, speaker, 65
terminator, SCSI, 34
test, 221
-all, 13
cdrom, 13
continuity, 28
disk, 13
disk0, 13
disk1, 13
disk2, 13
disk3, 13
drive, 47
drives, 47
floppy, 12
keyboard, 13
loopback, 12
memory, 13
module-info, 14
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