beautypg.com

Screen standards, Extended modes supported – Texas Instruments 4000M User Manual

Page 269

background image

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