Toshiba Tecra A4 (PTA40) - Manual (Page 175)

User’s Manual B-1
TECRA A4
Appendix B
Display Controller and Modes
Display controller
The display controller interprets software commands into hardware
commands that turn particular pels on or off.
The controller is an advanced Video Graphics Array (VGA) that provides
Super VGA (SVGA) and Extended Graphics Array (XGA) support for the
internal LCD and external monitors.
A high-resolution external monitor connected to the computer can display
up to 2048 horizontal and 1536 vertical pixels at up to 16M colours.
The display controller also controls the video mode, which uses industry
standard rules to govern the screen resolution and the maximum number of
colours that can be displayed on screen.
Software written for a given video mode will run on any computer that
supports the mode.
The computer’s display controller supports all SVGA and XGA modes, the
most widely used industry standards.