System Board Connector Pin Signals; Monitor Port Signals - IBM 2283 Hardware Maintenance Service

System Board Connector Pin Signals

Monitor Port Signals

Signal
Pin
Name
1 Red Video
2 Green Video
3 Blue Video
4 Monitor ID Bit
2
5 Synch
Ground
6 Red Ground
7 Green
Ground
8 Blue Ground
I/O Pin
O 9
O 10
O 11
I 12
13
14
15
Parts/Test Point Locations 131
Signal
Name
+5 V dc
Synch
Ground
Monitor ID Bit
0
SDA
Horizontal
Synch
Vertical
Synch
SCL
I/O
I
O
O
I