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B-2 User’s Manual
Display Controller and Modes
Video modes
The computer supports video modes defined in the tables below. If your
application offers a selection of mode numbers that do not match the
numbers on the table, select a mode based on mode type, resolution,
character matrix, number of colors and refresh rates. Also, if your software
supports both graphics and text modes, the screen display may appear to
operate faster using a text mode.
Table 1: Video modes (VGA)
Video
mode
Type Resolution Character
matrix
(pels)
LCD
colors
CRT
colors
Scanning
frequency
Vertical (Hz)
0, 1 VGA
Text
40 x 25
Characters
8 x 8 16 of 256K 16 of 256K 70
2, 3 VGA
Text
80 x 25
Characters
8 x 8 16 of 256K 16 of 256K 70
0*, 1* VGA
Text
40 x 25
Characters
8 x 14 16 of 256K 16 of 256K 70
2*, 3* VGA
Text
80 x 25
Characters
8 x 14 16 of 256K 16 of 256K 70
0+, 1+ VGA
Text
40 x 25
Characters
9 x 16 16 of 256K 16 of 256K 70
2+, 3+ VGA
Text
80 x 25
Characters
9 x 16 16 of 256K 16 of 256K 70
4, 5 VGA
Grph
320 x 200
Pels
8 x 8 4 of 256K 4 of 256K 70
6VGA
Grph
640 x 200
Pels
8 x 8 2 of 256K 2 of 256K 70
7VGA
Text
80 x 25
Characters
9 x 14 Mono Mono 70
7+ VGA
Text
80 x 25
Characters
9 x 16 Mono Mono 70