
Display Controller and Modes
Table1 Video modes (VGA)
| Video mode | Type | Resolution | Character | Colors | Scanning | ||
| 
 | 
 | 
 | 
 | 
 | matrix | 
 | frequency | 
| 
 | 
 | 
 | 
 | 
 | (pels) | 
 | Vertical (Hz) | 
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| 0, | 1 | VGA | 40 | × 25 | 8 × 8 | 16 of 256K | 70 | 
| 
 | 
 | Text | Characters | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| 2, | 3 | VGA | 80 | × 25 | 8 × 8 | 16 of 256K | 70 | 
| 
 | 
 | Text | Characters | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| 0*, | 1* | VGA | 40 | × 25 | 8 × 14 | 16 of 256K | 70 | 
| 
 | 
 | Text | Characters | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| 2*, | 3* | VGA | 80 | × 25 | 8 × 14 | 16 of 256K | 70 | 
| 
 | 
 | Text | Characters | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| 0+, | 1+ | VGA | 40 | × 25 | 9 × 16 | 16 of 256K | 70 | 
| 
 | 
 | Text | Characters | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| 2+, | 3+ | VGA | 80 | × 25 | 9 × 16 | 16 of 256K | 70 | 
| 
 | 
 | Text | Characters | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| 4, | 5 | VGA | 320 | × 200 | 8 × 8 | 4 of 256K | 70 | 
| 
 | 
 | Grph | Pels | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| 6 | 
 | VGA | 640 | × 200 | 8 × 8 | 2 of 256K | 70 | 
| 
 | 
 | Grph | Pels | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| 7 | 
 | VGA | 80 | × 25 | 9 × 14 | Mono | 70 | 
| 
 | 
 | Text | Characters | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | |
| 7+ | VGA | 80 | × 25 | 9 × 16 | Mono | 70 | |
| 
 | 
 | Text | Characters | 
 | 
 | 
 | |
| 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
 | 
| User’s Manual | 
