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User’s Manual B-1
Appendix B
Display Controller and Video modes
Display controller
The display controller interprets software commands into hardware
commands that turn particular parts on the screen on or off.
As indicated below, there are two types of LCD Internal Panels. Various
video modes can be displayed on each LCD Internal panel. Refer to the
table on the next page which describes in detail supported video modes.
■ 17" WXGA+, 1440 horizontal x 900 vertical pixels
■ 17" WUXGA, 1920 horizontal x 1200 vertical pixels
A high-resolution external monitor connected to the computer can display
up to 2048 horizontal and 1536 vertical pixels at up to 16-million colors.
The display controller also controls the video mode and uses industry
standard rules to govern the screen resolution and the maximum number of
colors that can be displayed at any one time. Therefore, software written for
a given video mode will run on any computer that supports that mode.
Software written for a given video mode will run on any computer that
supports the mode.
The computer’s display controller supports all VGA and SVGA modes, the
most widely used industry standards.
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.
Due to the LCD display’s increased resolution, lines may appear broken in
when displaying images in full-screen text mode.