| Description | Mac | VGA |
|---|---|---|
| Red Ground | 1 | 6 |
| Red | 2 | 1 |
| Composite sync | 3 | n/c |
| Monitor Sense 0 | 4 | 4 |
| Green | 5 | 2 |
| Green Ground | 6 | 7 |
| Monitor Sense 1 | 7 | 11 |
| No connection | 8 | n/c |
| Blue | 9 | 3 |
| Monitor sense 2 | 10 | 12 |
| Sync Ground | 11 | 10 |
| Vertical Sync | 12 | 14 |
| Blue Ground | 13 | 8 |
| Horizontal Sync Ground | 14 | 10 |
| Horizontal Sync | 15 | 13 |
