AT&T 3B2/300 Technical Reference Manual page 180

EQUIPMENT D E S C R I P T I O N - - - - - - - - - - - - - - - - - - - - - - - - - -
7.4"
v
v
0.75"
lo
I\
2764
ROM 1
(SK X 8)
2764
ROM 0
(SK X 8)
6264 SRAM
(SK X 8)
(15-07)
6264 SRAM
(SK X 8)
(07-00)
6264 SRAM
(SK X 8)
(15-07)
6264 SRAM
(SK X 8)
(07-00)
86..._ _ _ _ _
82Sl05A
LOGIC
SEQUENCER
INTEL
80186
CPU
(COMPONENT SIDE)
2681
DUART 0
(SDO AND SDI)
2681
DUART I
(SD2 AND SD3)
r---------------------------,
I
LINE DRIVERS/RECEIVERS
I
L---------------------------~
1 8 \
36
JS
TTY?S
PARALLEL
PORT
---.J7'
19
14
/3
12
JI
TTY?4 TTY?!
SERIAL PORTS
Figure 2-51: CM195BA PORTS Card Layout
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