
54
5 The Ultra VGA Video Controllers
The Integrated Ultra VGA Video Controller
Extended Video Modes with 2 MB DRAM
205
4D
graph
1024 x 768
256
75
60.2
80.000
207h
4Eh
graph
1152 x 864
256
60
55.3
80.000
208h
4Fh
graph
1280 x 1024
16
43 (i)
47.7
37.500 x 2
208h
4Fh
graph
1280 x 1024
16
60
63.7
55.000 x 2
208h
4Fh
graph
1280 x 1024
16
72
77.7
65.000 x 2
208h
4Fh
graph
1280 x 1024
16
75
79.8
65.000 x 2
i =interlaced
VESA
Mode No.
Extended
Mode No.
Interface
Type
Resolution
No. of
Colors
Vertical
Refresh
(Hz)
Horizontal
Refresh
(kHz)
Dot Clock
(MHz)
107h
6Fh
graph
1280 x 1024
256
45 (i)
47.7
37.500 x 2
107h
6Fh
graph
1280 x 1024
256
60
63.7
55.000 x 2
107h
6Fh
graph
1280 x 1024
256
72
77.7
65.000 x 2
107h
6Fh
graph
1280 x 1024
256
75
79.5
67.500 x 2
115h
75h
graph
800 x 600
16. M
60
37.9
40.000
115h
75h
graph
800 x 600
16. M
72
41.8
50.000
115h
75h
graph
800 x 600
16. M
75
46.8
49.500
116h
76h
graph
1024 x 768
32 K
43i
35
44.900
116h
76h
graph
1024 x 768
32 K
60
48.9
65.000
116h
76h
graph
1024 x 768
32 K
70
56.5
75.000
116h
76h
graph
1024 x 768
32 K
75
60.2
80.000
116h
76h
graph
1024 x 768
32 K
85
68.7
95.000
117h
77h
graph
1024 x 768
64
43i
35
44.900
117h
77h
graph
1024 x 768
64
60
48.9
65.000
117h
77h
graph
1024 x 768
64
70
56.5
75.000
VESA
Mode No.
Extended
Mode No.
Interface
Type
Resolution
No. of
Colors
Vertical
Refresh
(Hz)
Horizontal
Refresh
(kHz)
Dot Clock
(MHz)