Compaq Prosignia 190 Maintenance And Service Manual page 33

Return
External VGA Monitor
Connector
Return
Universal Serial Bus
1 Data 1
2 Data 2
3 Ground
4 +5 V
5 Clock 1
6 Clock 2
to the top.
Pin Signal
1 Red Analog
2 Green
3 Analog
4 Blue Analog
5 Not
6 connected
7 Ground
8 Ground
9 Analog
10 Ground
11 Analog
12 Ground
13 Analog
14 Not
15 connected
Ground
Monitor
Detect
DDC2B
Data
Horizontal
Sync
Vertical
Sync
DDC2B
Clock
to the top.