Toshiba Satellite A215 Maintenance Manual page 118

3 Diagnostic Programs
4. Text Color
This test item is to check whether all 16 colors foreground and all 8 colors
background works normally in VGA text mode.
The bit4-6 of the attribute byte of a character defines 8 background colors (black,
blue, green, cyan, red, brown, magenta, and light gray), and the bit0-3 defines 16
foreground colors (dark gray, light blue, light green, light cyan, light red, light
magenta, yellow, and white besides the above 8 colors).
In the test, user is required to respond according to the instruction in the screen.
5. 80 * 25 Text Mode
Satellite A210/A215,Satellite Pro A210, EQUIUM A210,SATEGO A210 Maintenance Manual
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3.10 Peripheral