Technical Specifications

Table 3–1. Supported CRT Video Modes—Standard VGA

Mode

Display

Colors

Text

Font

Pixels

Clock

Horiz

Vert

 

Mode

 

 

 

 

(MHz)

(KHz)

(Hz)

 

 

 

 

 

 

 

 

 

0+, 1+

Text

16

40x25

9x16

360x400

28.322

31.5

70

 

 

 

40x25

8x14

320x350

25.175

 

 

 

 

 

40x25

8x8

320x200

25.175

 

 

 

 

 

 

 

 

 

 

 

2+, 3+

Text

16

80x25

9x16

720x400

28.322

31.5

70

 

 

 

80x25

8x14

640x350

25.175

 

 

 

 

 

80x25

8x8

640x200

25.175

 

 

 

 

 

 

 

 

 

 

 

4

Graphics

4

40x25

8x8

320x200

25.175

31.5

70

 

 

 

 

 

 

 

 

 

5

Graphics

4

40x25

8x8

320x200

25.175

31.5

70

 

 

 

 

 

 

 

 

 

6

Graphics

2

80x25

8x8

640x200

25.175

31.5

70

 

 

 

 

 

 

 

 

 

7+

Text

Mono

80x25

9x16

720x400

28.322

31.5

70

 

 

 

80x25

9x14

720x350

 

 

 

 

 

 

80x25

9x8

720x350

 

 

 

 

 

 

 

 

 

 

 

 

D

Planar

16

40x25

8x8

320x200

25.175

31.5

70

 

 

 

 

 

 

 

 

 

E

Planar

16

80x25

8x8

640x200

25.175

31.5

70

 

 

 

 

 

 

 

 

 

F

Planar

Mono

80x25

8x14

640x350

25.175

31.5

70

 

 

 

 

 

 

 

 

 

10

Planar

16

80x25

8x14

640x350

25.175

31.5

70

 

 

 

 

 

 

 

 

 

11

Planar

2

80x30

8x16

640x480

25.175

31.5

60

 

 

 

 

 

 

 

 

 

12

Planar

16

80x30

8x16

640x480

25.175

31.5

60

 

 

 

 

 

 

 

 

 

13

Packed

256

40x25

8x8

320x200

25.175

31.5

70

 

Pixel

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CRT Support for Standard Video Modes

!PS/2 fixed frequency analog CRT monitor or equivalent. 31.5/35.5 KHz horizontal frequency.

!Multi-frequency CRT monitor. 37.5 KHz minimum horizontal frequency.

!Multi-frequency high-performance CRT monitor. 48.5 KHz minimum horizontal frequency.

3–3

Page 107
Image 107
Ampro Corporation 486E manual CRT Support for Standard Video Modes