Ampro Corporation 486E User Manual
Page 107
Technical Specifications
3–3
Table 3–1. Supported CRT Video Modes—Standard VGA
Mode
Display
Mode
Colors
Text
Font
Pixels
Clock
(MHz)
Horiz
(KHz)
Vert
(Hz)
0+, 1+
Text
16
40x25
40x25
40x25
9x16
8x14
8x8
360x400
320x350
320x200
28.322
25.175
25.175
31.5
70
2+, 3+
Text
16
80x25
80x25
80x25
9x16
8x14
8x8
720x400
640x350
640x200
28.322
25.175
25.175
31.5
70
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
80x25
80x25
9x16
9x14
9x8
720x400
720x350
720x350
28.322
31.5
70
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
Pixel
256
40x25
8x8
320x200
25.175
31.5
70
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.