The extended modes supported by the video BIOS are:
Extended Video Modes with 1 MB DRAM
Extended
Mode No.
VESA
Mode No.
Inter-
face
Type
Resolution
No. of
Colors
Vertical
Refresh
(Hz)
Horizontal
Refresh
(kHz)
Dot Clock
(MHz)
4Eh
207h
graph
1152 x 864
256
60
55
80.000
4Fh
208h
graph
1280 x 1024
8
43i
47.7
80.000
4Fh
208h
graph
1280 x 1024
8
60
63.7
110.000
51h
212h
graph
640 x 480
16.7 M
60
31.5
25.000
52h
213h
graph
640 x 400
16.7 M
70
31.5
25.000
54h
10Ah
text
132 x 43
chars
16
70
31.5
40.000
55h
109h
text
132 x 25
chars
16
70
31.5
40.000
65h
10Dh
graph
320 x 200
32,768
70
12.540
66h
10Eh
graph
320 x 200
65,536
70
12.540
67h
10Fh
graph
320 x 200
16.7 M
70
12.540
68h
100h
graph
640 x 400
256
70
31.5
25.175
69h
101h
graph
640 x 480
256
60
31.5
25.175
69h
101h
graph
640 x 480
256
72
37.9
31.500
69h
101h
graph
640 x 480
256
75
37.5
31.500
69h
101h
graph
640 x 480
256
85
45
36.000
6Ah
102h
graph
800 x 600
16
60
37.9
40.000
6Ah
102h
graph
800 x 600
16
72
48.1
50.000
6Ah
102h
graph
800 x 600
16
75
47.5
49.500
6Ah
102h
graph
800 x 600
16
85
53.6
56.000
6Bh
103h
graph
800 x 600
256
60
37.9
40.000
6Bh
103h
graph
800 x 600
256
72
48.1
50.000
6Bh
103h
graph
800 x 600
256
75
46.8
49.500
6Bh
103h
graph
800 x 600
256
85
53.6
56.000
6Ch
104h
graph
1024 x 768
16
43i
35.5
44.900
6Ch
104h
graph
1024 x 768
16
60
48.4
65.000
6Ch
104h
graph
1024 x 768
16
70
56.5
75.000
6Ch
104h
graph
1024 x 768
16
75
60.2
80.000
6Ch
104h
graph
1024 x 768
16
85
68.7
95.000
6Dh
105h
graph
1024 x 768
256
43i
35.5
44.900
6Dh
105h
graph
1024 x 768
256
60
48.4
65.000
6Dh
105h
graph
1024 x 768
256
70
56.5
75.000
6Dh
105h
graph
1024 x 768
256
75
60.0
80.000
6Dh
105h
graph
1024 x 768
256
85
68.7
95.000
6Eh
106h
graph
1280 x 1024
16
45i
46
80.000
6Eh
106h
graph
1280 x 1024
16
60
110.000
70h
110h
graph
640 x 480
32,768
60
31.5
25.175
70h
110h
graph
640 x 480
32,768
72
37.5
31.500
70h
110h
graph
640 x 480
32,768
75
37.5
31.500
70h
110h
graph
640 x 480
32,768
85
45
36.000