VGA 是 Video Graphics Adapter(Array) 的缩写,信号类型为模拟类型,显示卡端的接口为 9 针母插座:

显示器连线端的接口为 9 针公插头:
引脚定义
|
1 |
RED |
|
Red Video |
|
2 |
GREEN |
|
Green Video |
|
3 |
BLUE |
|
Blue Video |
|
4 |
HSYNC |
|
Horizontal Sync |
|
5 |
VSYNC |
|
Vertical Sync |
|
6 |
RGND |
|
Red Ground |
|
7 |
GGND |
|
Green Ground |
|
8 |
BGND |
|
Blue Ground |
|
9 |
SGND |
|
Sync Ground |