Siemens SIMATIC Rack PC 840 V2 Operating Instructions Manual page 108

Detailed descriptions
16.1 Motherboard
VGA port, X303
The VGA socket has the following pinout:
VGA port
PinNo.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16-10
Abbreviations
R
G
B
–
GND
GND
GND
GND
+ 5 V
GND
–
DDC_DAT
EXT_H
EXT_V
DDC_CLK
Meaning
Red
Green
Blue
n.c.
Chassis ground
Chassis ground
Chassis ground
Chassis ground
+ 5 V (fused)
Chassis ground
n.c.
Display Data Channel Data
Horizontal synchronizing pulse
Vertical synchronizing pulse
Display Data Channel Clock
Operating Instructions, Edition 05/2006, A5E00248055-04
Input /Output
Output
Output
Output
–
–
–
–
–
Output
–
–
Input/output
Output
Output
Input/output
SIMATIC Rack PC 840 V2