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Appendix A
Video Modes
The C&T 65548 VGA chipset supports high resolution fixed frequency and variable fre-
quency analog monitors in interlaced and non-interlaced modes of operation. Digital moni-
tor support is also built-in. The tables in this section list all 65548 CRT monitor video
modes.
NOTE:
The letter “I” under the Hex Mode col-
umn for the succeeding tables denotes Interlaced
monitors.
VGA STANDARD MODES
The following table lists VGA standard modes.
Table A-1 VGA Standard Modes (Text Mode)
Hex
Mode
No. of
Colors
Text
Display
Font
Size
Pixel
Resolution
Dot
Clock
MHz
Horiz.
Freq.
KHz
Vert.
Freq.
Hz
0, 1 16 40 x 25
40 x 25
40 x 25
9 x 16
8 x 14
8 x 8
360 x 400
320 x 350
320 x 200
28.322
25.175
25.175
31.5 70
2, 3 16 80 x 25
80 x 25
80 x 25
9 x 16
8 x 14
8 x 8
720 x 400
640 x 350
640 x 200
28.322
25.175
25.175
31.5 70
7 Mono 80 x 25
80 x 25
80 x 25
9 x 16
9 x 14
9 x 8
720 x 400
720 x 350
720 x 350
28.322 31.5 70
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SOLD BY laptopia2005 DO NOT RESELL!!