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Extended Modes Supported
The following table lists the supported extended modes.
Extended Modes
Mode
(hex)
Colors Graphics
Resolution
Text
Resolution
(Char x
Row)
DotClk
MHz
Horizontal
Frequency
Vertical
Frequency
Notes
2e
30
37
52
54
64,6a
6Ci
256/256K
256/256K
16/256K
16/256K
16/256K
16/256K
16/256K
640x480
800x600
1024x768
800x600
1280x 1024
132x60
132x25
160x64
25
40
44.9
40
40
40
65
31.5
37.8
35.5
31.5
31.5
37.8
48
60
60
87
60
60
53
87
1,4,5
2,5
2,3,5,7
1,5
1,5
2,6
Notes:
1. All PS/2 compatible monitors supporting horizontal sync frequency of 31.5 KHz
2. All Multisync type monitors supporting variable horizontal sync frequencies ranging
from 25.9 KHz to 37.8 KHz
3. Interlaced mode
4. This mode is supported on the LCD, showing 64 gray shades. Simultaneous LCD
and CRT display is supported with the LCD showing 16 gray shades.
5. The extended modes require special software drivers to function correctly. Your
computer comes with an extensive selection of software drivers. Execute INSTALL on the
extended VGA drivers diskette to see information on loading these drivers.
Some applications come with extended mode support. If so, select the computer or
Cirrus Logic driver provided by the application.
6. This is Super VGA compatible mode (SVGA). If SVGA is supported by the
application, this is the mode it will use. Super VGA modes, or other modes
identified as needing a multisync type monitor, do not work with fixed-frequency
monitors. Examples of fixed-frequency monitors are IBM PS/2, 8503, 8512, 8613,
and 8514.
7. Supported only with systems containing 1 MB of video memory
Screen Standards
Screen Standards H-3