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Appendix A
Using the VGA Utilities
Your computer has a Video Graphics Array (VGA) adapter built
into the main system board which is 100% compatible with IBM
VGA. This adapter allows you to use the computer with Epson
VGA monitors, other brands of VGA monitors, and VGA
compatible, multi-frequency monitors that use analog input (in
non-interlaced mode only). The internal VGA is supported by
the Chips and Technologies® SuperVGA 82C452 controller.
In addition to its VGA support, the controller offers a large set
of extended functions and higher resolutions, which you can use
if you have a multi-frequency monitor capable of displaying
these resolutions. The built-in adapter’s capabilities include:
❏
High-speed video memory interface
❏
16-bit datapath to video memory and hardware registers
❏
Resolutions of 800 x 600 or 1024 x 768 in graphics modes
with 16 colors
❏
Resolutions up to 640 x 480 in graphics modes with 256
colors
❏
132-column text mode in 16 colors
❏
Graphics cursor movements performed by the video adapter
controller.
The Epson standard VGA monitor uses VGA modes in
resolutions up to 640 x 480 and does not need any software
drivers to operate properly. You need to install software drivers
only if you want to use extended VGA modes (in resolutions up
to 800 x 600) or super-extended VGA modes (in resolutions up
to 1024 x 768)
on a multi-frequency monitor.
Using the VGA Utilities
A-1