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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