VGA 是 Video Graphics Adapter(Array) 的縮寫，信號類型為模擬類型，顯示卡端的介面為 9 針母插座：
顯示器連線端的介面為 9 針公插頭：
引腳定義
| Pin | Name | Dir | Description |
|---|---|---|---|
| 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 |
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