Color Attributes Subtest (40 x 25)
The
Color Bars Subtest
The color bars subtest displays 16 bars in different colors with background intensity enabled. Under each bar is the name of the color that should be displayed. Type y if each color bar is displayed correctly; otherwise, type n.
Text Mode Pages Test
The Text Mode Pages Test checks the video subsystem’s ability to map and present all available video pages on the monitor screen, one page at a time. The test displays eight successive screens, the first of which contains 21 lines of 77 zeros. The remaining seven screens are identical to the first, except that each screen substitutes a different numeral (1 through 7) for the zeros.
Type y if all the rows of numbers on each screen are dis- played correctly; otherwise, type n.
Graphics Mode Test
The Graphics Mode Test checks the video subsystem’s ability to present graphics mode data and colors. This test displays nine different screens, each of which allows you to check some aspect of graphics mode data and colors. The following subsections describe Graphics Mode Test screens in the order in which they appear.
NOTE: Some of the following tests may not appear if your system does not support the video mode being tested.
320 x 200 Graphics Mode Screens
The Graphics Mode Test displays two successive
320- x
640 x 200 Black/White Graphics Mode Screen
The 640- x
640 x 480 Monochrome Graphics Mode Screen
The 640- x
