320 x 200 256-Color Graphics Mode Screen
The 320- x
1280 x 1024 16-Color Graphics Mode Screen
The 1280- x
640 x 480 256-Color Graphics Mode Screen
The 640- x
800 x 600 16-Color Graphics Mode Screen
The 800- x
800 x 600 256-Color Graphics Mode Screen
The 800- x
1024 x 768 16-Color Graphics Mode Screen
The 1024- x
1024 x 768 256-Color Graphics Mode Screen
The 1024- x
Color Palettes Test
The Color Palettes Test checks the video subsystem’s ability to display all available colors. The test displays two screens that allow you to check the quality of differ- ent shades of the basic colors and to test the monitor’s ability to vary the intensity of these colors.
The first screen contains four sets of 64 squares, one for gray and one for each of the three basic colors (red, green, and blue). Each square contains a different shade of its associated color, ranging from very light to very dark. Type y if all the squares are the correct colors; otherwise type n.
The second screen is the red/green/blue (RGB) color combination screen. This screen allows you to test the monitor’s ability to increase or decrease the intensity of the three basic colors.
The RGB color combination screen displays an RGB box in the top center of the screen with individual red, green, and blue boxes beneath it. Underneath the individual color boxes are three lines that show the intensity of each color. Type r, g, or b to adjust the intensity of the corre- sponding color; then press the