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Diagnostic Video Tests B-3
T
ext Mode Color Test
The Text Mode Color Test contains three subtests that
check the video subsystem’s ability to present color in
text modes. The following subsections describe these
subtests.
NOTE: These subtests are valid for color monitors only.
Color Attributes Subtest (80 x 25)
The 80-column x 25-line color attributes subtest displays
a pattern of 16 rows and 16 columns in 80-column by
25-line text mode. Each row has a hexadecimal number
in a unique foreground color and each column has a
unique background color. Where the same foreground
and background color intersect, the hexadecimal number
is not visible. Type
y
if each character is displayed
correctly; otherwise, type
n
. Table B-1 indicates the color
in each of the rows and columns.
Table B-1. Color Attributes
Row or
Column
Color
Foreground
Color
Background
Number
0 Black Black
1 Blue Blue
2 Green Green
3 Cyan Cyan
4RedRed
5 Magenta Magenta
6BrownBrown
7 White White
8 Dark gray
*
Black
9 Light blue
*
Blue
A Light green
*
Green
B Light cyan
*
Cyan
CLight red
*
Red
D Light magenta
*
Magenta
EYellow
*
Brown
F Intense white
*
White
* These colors blink during the test.