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Chapter 2 - System Board
2-9
2.5
Video Function
The onboard video controller is capable not only of enhancing video display, but
supporting 3-D video applications as well. The video controller features the
Accelerated Graphics Port (AGP) design - the latest bus architecture that is
considered to be the best solution for 3-D applications. AGP offers greater
bandwidth; thus, it is capable of speeding up the VGA bus in order to meet the
requirement of 3-D applications.
The board may come with 2-MB or 4-MB video memory. Larger video memory
allows you to display higher resolutions and more colors.
The following table lists the video resolutions supported by the onboard VGA:
Table 2-4
Supported Video Resolutions
Resolution
bpp
Vertical Freq.
(Hz)
Horizontal
Freq. (KHz)
640 x 480
8/16/24/32
60
31.5
640 x 480
8/16/24/32
72
37.4
640 x 480
8/16/24/32
75
37.5
640 x 480
8/16/24/32
85
43.3
640 x 480
8/16/24/32
90
48.0
640 x 480
8/16/24/32
100
52.9
640 x 480
8/16/24/32
120
63.7
640 x 480
8/16/24/32
160
84.1
640 x 480
8/16/24/32
200
100.2
800 x 600
8/16/24/32
48
33.8
800 x 600
8/16/24/32
56
35.2
800 x 600
8/16/24/32
60
37.8
800 x 600
8/16/24/32
70
44.5
800 x 600
8/16/24/32
72
48.0
800 x 600
8/16/24/32
75
46.9
800 x 600
8/16/24/32
85
53.7