Diagnostic Video Tests B-5Figure B-3. 640 x 480 2-Color Graphics ModeScreen640 x 480 16-Color Graphics ModeScreenThe 640- x 480-pixel 16-color graphics mode screen dis-plays a series of stars in 16 different colors with the nameof the color beneath each star. Type y if all the stars arethe correct colors; otherwise, type n.320 x 200 256-Color Graphics ModeScreenThe 320- x 200-pixel 256-color graphics mode screendisplays a series of squares in 256 different color huesand intensities. Type y if all the squares are the correctcolors; otherwise, type n.640 x 480 256-Color Graphics ModeScreenThe 640- x 480-pixel 256-color graphics mode screendisplays a series of squares with two colors in eachsquare. Type y if all the squares appear to be correct;otherwise, type n.800 x 600 16-Color Graphics ModeScreenThe 800- x 600-pixel 16-color graphics mode screen dis-plays a series of pyramids in 16 different colors with thename of the color beneath each pyramid. Type y if all thepyramids appear to be correct; otherwise, type n.800 x 600 256-Color Graphics ModeScreenThe 800- x 600-pixel 256-color graphics mode screendisplays a series of squares with four colors in eachsquare. Type y if all the squares appear to be correct;otherwise, type n.1024 x 768 16-Color Graphics ModeScreen (External Monitor)The 1024- x 768-pixel 16-color graphics mode screendisplays a series of hourglasses in 16 different colors withthe name of the color beneath each hourglass. Type yif all the hourglasses appear to be correct; otherwise,type n.1024 x 768 256-Color Graphics ModeScreen (External Monitor)The 1024- x 768-pixel 256-color graphics mode screendisplays a series of asterisks with four colors in eachasterisk. Type y if all the asterisks appear to be correct;otherwise, type n.Color Palettes TestThe Color Palettes Test checks the video subsystem’sability to display all available colors. The test displaystwo screens that allow you to check the quality of differ-ent shades of the basic colors and to test the ability of thedisplay or monitor to vary the intensity of these colors.The first screen contains four sets of 64 squares, one forgray and one for each of the three basic colors (red,green, and blue). Each square contains a different shadeof its associated color, ranging from very light to verydark. Type y if all the squares are the correct colors; other-wise, type n.