HP Vectra VEi7 Technical Reference Manual page 40

Connectors and Sockets
External Audio
A Line In jack, Line Out jack and Mic In jack connector are located on
the PCs' rear panel. These external jacks are standard connectors.
Connectors
Internal Speaker
Connector and Package
Intrusion Connector
(where available)
VGA DB15 Connector
40
Core Components and Technologies
Internal Speaker (J18)
Pin Signal
1 Speaker Signal
2 Analog Ground
VGA DB Connector Pins
Pin Standard VGA
1 Analog RED
2 Analog GREEN
3 Analog BLUE
4 Monitor ID2
5 n/c
6 Analog RED return
7 Analog GREEN return
8 Analog BLUE return
9 n/c
10 Digital ground
11 Monitor ID 0
12 Monitor ID 1
13 HSYNC
14 VSYNC
15 n/c
Package Intrusion (J8)
Pin Signal
1 Open detect
2 Ground
DDC2B
Analog RED
Analog GREEN
Analog BLUE
Monitor ID2
DDC return
Analog RED
Analog GREEN
Analog BLUE
V supply (optional)
CC
Digital ground
Monitor ID 0
Data:SDA
HSYNC
VSYNC
Clock:SCL