EGA 是 Enhanced Graphics Adapter 的缩写，信号类型为 TTL，颜色数为 16/64 色，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：
Pin Name Description
1 GND Ground
2 SR Secondary Red
3 PR Primary Red
4 PG Primary Green
5 PB Primary Blue
6 SG/I Secondary Green / Intensity
7 SB Secondary Blue
8 H Horizontal Sync
9 V Vertical Sync