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17 Rev.3
Appendix B
Supported PC Timing
Item
Standards
Resolution
Dot Clock
(MHz)
Vertical
Scanning
Frequency
(Hz)
Horizontal
Scanning
Frequency
(kHz)
1 DOS 720x400 28.32 70.08 31.47
2 DOS 640x480 25.18 59.94 31.47
3 Macintosh 640x480 30.24 67.00 35.00
4 VESA 640x480 31.50 72.80 37.86
5 VESA 640x480 31.50 75.00 37.50
6 VESA 800x600 40.00 60.32 37.88
7 VESA 800x600 50.00 72.19 48.08
8 VESA 800x600 49.50 75.00 46.88
9 VESA 832x624 57.28 74.55 49.73
10 VESA 1024x768 65.00 60.00 48.36
11 VESA 1024x768 75.00 70.07 56.48
12 VESA 1024x768 78.75 75.00 60.02
13 Macintosh 1024X768 80.00 74.93 60.24
14 VESA 1152X864 108.00. 75.00 67.50
15 Macintosh 1152X870 100.00 75.06 68.68
16 SUN 66 1152x900 94.50 66.00 61.80
17 SUN 1152x900 108.00 76.14 71.81
18 VESA 1280X1024 108 60 63.98
19 IBM1 1280X1024 128. 71.53 75.83
20 VESA 1280X1024 135 75 80
21 VESA 1680X1050 119 59.883 64.7
22 VESA 1680x1050 146.25 59.954 65.29
*Once a mode is optimized, there is no need to make any further
adjustment
as long as the VGA card remains unchanged.
*Specifications are subject to change without notice.