"Compaq.com - Compaq Presario 1200 Series Maintenance and Service Guide - Models: 1230 and 1232
Connector Pin Signal
1
2
3
4
5
6
7
8
9
Carrier Detect
Receive Data
Transmit Data
Data Terminal Ready
Signal Ground
Data Set Ready
Ready to Send
Clear to Send
Ring Indicator
Keyboard/Mouse
Connector Pin Signal
1
2
3
4
5
6
Data
Not defined
Ground
+5 VDC
Clock
Not defined
External VGA Monitor
Connector Pin Signal
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