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User’s Manual B-1
Appendix B
Display Controller and Modes
Display controller
The display controller interprets software commands into hardware
commands that turn particular parts on the screen on or off.
■ 15.4" WXGA, 1280 horizontal × 800 vertical pixels
A high-resolution external monitor connected to the computer can display
up to 2,048 horizontal and 1,536 vertical pixels at up to 16M colors.
The display controller also controls the video mode, which uses industry
standard rules to govern the screen resolution and the maximum number of
colors that can be displayed on screen.
Software written for a given video mode will run on any computer that
supports the mode.
Video modes
The computer supports video modes defined in the tables below. If your
application offers a selection of mode numbers that do not match the
numbers on the table, select a mode based on mode type, resolution,
character matrix, number of colors and refresh rates. Also, if your software
supports both graphics and text modes, the screen display may appear to
operate faster using a text mode.
Because of the LCD’s increased resolution, lines may appear broken in
DOS mode.