Service manual

Page 15AM-990 SBC Computer Service Manual
SW1J20J21
J12
J14J15
J13
W12
J9
J2
J4
J5
J16
U124
BATTERY
U125U126
U128
U127
1
1
1
1
SERIAL
PORT
0
SERIAL
PORT
1
BOOT
SWITCH
VCR
REMOTE
VIDEO
IN
VIDEO
OUT
LINK
50-PIN SCSI
CONNECTOR
POWER CONNECTOR
BOOT PROMS
LOW BYTE
HIGH BYTE
CPU
FLOATING POINT
CO-PROCESSOR
SOCKET
36-PIN FLOPPY
CONNECTOR
FRONT PANEL
DISPLAY
MEMORY
EXPANSION
SSD SOCKET
60-PIN I/O CONNECTORS
W15
W50
W5
W4
W3
W8
W7
W6
232 / 422
232 / 422
W18
REMOTE RESET
JUMPER IN = ENABLED
JUMPER OUT = DISABLED
W17
LINK TERMINATION
JUMPER
JUMPER IN = ENABLED
JUMPER OUT = DISABLED
W13
NTSC
MAC576
J6
J7
J8
W18
W11
1
W1
W9 W2
PAL
2716/2764
W13
NTSC / PAL
W17
J1
W1A
W14
W100
On B. Revison artwork
and earlier W100 is
hard-wired.
Option Locations on the AM-145 Board
DSS-10524-00, Rev. A01