Dell 3000 manual Text Mode Pages Test, Graphics Mode Test, Color Attributes Subtest 40 x

Color Attributes Subtest (40 x 25)

The 40-column x 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 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 display or monitor, one page at a time. The test dis- plays 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 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 col- ors; otherwise, type n.

320x 200 16-Color Graphics Mode Screen

The 320- x 200-pixel 16-color graphics mode screen dis- plays 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.

640x 200 16-Color Graphics Mode Screen

The 640- x 200-pixel 16-color graphics mode screen dis- plays a series of hexagons in 16 different colors with the name of the color beneath each hexagon. Type y if all the hexagons are the correct colors; otherwise, type n.

640x 350 16-Color Graphics Mode Screen

The 640- x 350-pixel 16-color graphics mode screen dis- plays a series of octagons in 16 different colors with the name of the color displayed beneath each octagon. Type y if all the octagons are the correct colors; otherwise, type n.

640 x 480 2-Color Graphics Mode Screen

The 640- x 480-pixel 2-color graphics mode screen dis- plays three chess pieces. Type y if all the chess pieces are identical and displayed correctly; otherwise, type n. Fig- ure B-3 shows part of this screen.

B-4 Dell Inspiron 3000 Reference and Troubleshooting Guide