The following paragraphs describe the tests for the various video configurations.
Video Controller
The Video Controller selection verifies the integrity of the video display controller, the video graphics controller, or the enhanced color graphics board.
80 x 25 Display
The 80 x 25 Display selection verifies that the system can operate in both the
The screen for the 80 x 25
Display Characteristics
The Display Characteristics selection verifies the ability of the video display controller and moni- tor to display certain attributes: various intensi- ties, blinking, and reverse video.
Character Set
The Character Set selection verifies that the system can display all of the available character patterns.
Screen 1.