AT&T 3B2/300 Technical Reference Manual page 590

Appendix: CONNECTOR AND CABLING I N F O R M A T I O N - - - - - - - - - - - - - - - -
14.8" .. • • • • • ••• •"" ·""""" • • ·" "· • • • • • • • • • • • • • • • • • • • • • • • • • • •
2-PIN
AUXILIARY
DISK
INTERFACE
SOFT
POWER
CONNECTOR
)14
72-PIN
MEMORY
CARD (MO)
CONNECTOR
)05
72-PIN
MEMORY
CARD (Ml)
CONNECTOR
)06
10-PIN
DUAL
UART
CONNECTOR
JOI
01
Ml MO
72 71 72 71
7.7"
02 01 02 01
20-PIN HARD DISK
CONTROL 0
CONNECTOR )08
34
33
002
001
3.6864MHz
G
100-PIN BACKPLANE
CONNECTOR )02
Figure B-2: System Board, ED-4C637-30 Layout
B-8 TECHNICAL REFERENCE MANUAL
20-PIN HARD DISK
CONTROL I
CONNECTOR )09
34-PIN FLOPPY DISK
CONNECTOR )10
WE 32106
MAU
(OPTIONAL)
WE 32101
MMU
WE 32100
CPU
ROM 2
11
ROM 3
ROM
I
11
ROM 0
YI
Q
32.768 KHz
2-PIN
Diagnostic)-
INDICATOR
r·- - -------_...._
CONNECTOR )12 •
IJ
i
100
099
fJJ~cr%°R ' \ _ _
D
i
CONNECTOR
)13) -
4I
02 60
8
~
I
01
60-PIN BACKPLANE
CONNECTOR )03
59
3-PIN BATTERY
CONNECTOR Jll