Character Attributes Subtest (80; Character Set Subtest (80; Character Attributes Subtest (40; Character Set Subtest (40 - Dell Latitude CP Reference And Troubleshooting Manual

The following subsections describe the subtests of the
Text Mode Character Test in the order in which they
appear.
Character Attributes Subtest (80 x 25)
The 80-column x 25-line character attributes subtest dis-
plays four lines of text that demonstrate normal-intensity
video, reverse video, intensified video, and blinking
video.
Character Set Subtest (80 x 25)
The 80-column x 25-line character set subtest displays all
256 characters in the American Standard Code for Infor-
mation Interchange (ASCII) character set in 80-column
by 25-line text mode. Figure B-1 shows part of the char-
acter set subtest screen.
Figure B-1. 80-Column x 25-Line Character Set
Subtest Screen
Character Attributes Subtest (40 x 25)
The 40-column x 25-line character attributes subtest
displays four lines of text, in 40-column by 25-line
(double-wide) text mode, that demonstrate normal-
intensity video, reverse video, intensified video, and
blinking video.
B-2 Dell Latitude CP Reference and Troubleshooting Guide
Character Set Subtest (40 x 25)
The 40-column x 25-line character set subtest displays all
256 characters in the ASCII character set in 40-column
by 25-line (double-wide) text mode. Figure B-2 shows
part of the 40-column x 25-line character set subtest
screen.
Figure B-2. 40-Column x 25-Line Character Set
Subtest Screen
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.
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