DVI-A carries only the analog signals — electrically identical to VGA. It uses a passive adapter to connect to VGA monitors. Found on some older graphics cards. No digital TMDS signals present.
| Pin | Name | Function | Type |
|---|---|---|---|
| 6 | DDC Clock | I2C clock for EDID | BUS |
| 7 | DDC Data | I2C data | BUS |
| 8 | Analog Vert Sync | Vertical sync | I/O |
| 14 | +5V | 5V DDC power | PWR |
| 15 | GND | Ground | GND |
| 16 | Hot Plug Detect | Hot plug | I/O |
| C1 | Analog Red | Red video 0.7Vpp 75 ohm | ADC |
| C2 | Analog Green | Green video 0.7Vpp 75 ohm | ADC |
| C3 | Analog Blue | Blue video 0.7Vpp 75 ohm | ADC |
| C4 | Analog Horiz Sync | Horizontal sync TTL | I/O |
| C5 | Analog GND | Analog signal ground | GND |
DVI-A carries only the analog signals — electrically identical to VGA. It uses a passive adapter to connect to VGA monitors. Found on some older graphics cards. No digital TMDS signals present.