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E
F
* These colors blink during the test.
Color Attributes Subtest (40 x 25)
The 40-column by 25-line color attributes subtest is the same as the previous subtest except that the
characters are displayed in 40-column by 25-line (double-wide) text mode. Type y if each character is
displayed correctly; otherwise, type n.
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 character 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 display or monitor, 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 displayed 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 a number of different screens, each of which allows you to check some aspect of graphics
mode data and colors. The following subsections describe the Graphics Mode Test screens in the order in
which they appear.
320 x 200 Graphics Mode Screens
The Graphics Mode Test displays two successive 320- x 200-pixel graphics mode screens. The first screen
displays three pyramids in red, green, and yellow. The second screen displays three pyramids in magenta,
cyan, and white. Type y if all the pyramids are the correct colors; otherwise, type n.
320 x 200 16-Color Graphics Mode Screen
The 320- x 200-pixel 16-color graphics mode screen displays a series of Xs in 16 different colors with the
name of the color beneath each X. Type y if all the Xs are the correct colors; otherwise, type n.
640 x 200 16-Color Graphics Mode Screen
The 640- x 200-pixel 16-color graphics mode screen displays a series of hexagons in 16 different colors with
yellow*
intense white*
brown
white
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