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TTL Compatible Communications Connector (5)
Connector
J5
is located in the center of the lower edge of the 662 board.
It is
connected to socket
J
3 on the 971 processor board.
The pin assignments are
below:
pin
pin
pin
1
2
3
Receive Data
GND
Transmit Data
Graphics Adapter Connection (]6)
Connector J6 connects to the IMS graphics board to add graphic capability to the
console.
The pin assignments are listed below:
pin
1
GOSC+
pin
2
GND
pin
3
VSYNC+
pin
4
GND
pin
5
· · · .
HSYNC+
ptn
6
GND
pin
7
· · . ·
HGLT+
ptn
8
GND
pin
9
·
· · ·
EHSYNC-
pin 10
· · . ·
GND
pin 11
· ·
.
·
CHDOTS+
pin 12
· ·
·
·
GND
pin 13
· · · ·
DISPG+
ptn 14
·
·
· ·
GND
pin 15
· · . ·
KBUZ-
ptn 16
KSD+
Reset Connector <IV
This connector. located near the center of the upper edge of the board, can be
used to reset the 662 board.
It is normally not used.
pin
1
ptn
2
Light Pen Connector
<I8)
External Reset In
G~'D
The 662 board can be connected to a light pen via connector
J
8.
Normally, no
connection is made.
The pin assignments are as follows:
pin
1
pin
2
pin
3
pm
4
+5 volts
GND
Pen down (-)
Light strobe (-)
.J
IMS International
5000 Series Microcomputers!7.01.83/page 88
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