DELL 3000 Reference Guide
Diagnostic Video Tests
B-5
Figure B-3. 640 x 480 2-Color Graphics Mode
Screen
Screen
640 x 480 16-Color Graphics Mode
Screen
Screen
The 640- x 480-pixel 16-color graphics mode screen dis-
plays a series of stars in 16 different colors with the name
of the color beneath each star. Type
plays a series of stars in 16 different colors with the name
of the color beneath each star. Type
y
if all the stars are
the correct colors; otherwise, type
n
.
320 x 200 256-Color Graphics Mode
Screen
Screen
The 320- x 200-pixel 256-color graphics mode screen
displays a series of squares in 256 different color hues
and intensities. Type
displays a series of squares in 256 different color hues
and intensities. Type
y
if all the squares are the correct
colors; otherwise, type
n
.
640 x 480 256-Color Graphics Mode
Screen
Screen
The 640- x 480-pixel 256-color graphics mode screen
displays a series of squares with two colors in each
square. Type
displays a series of squares with two colors in each
square. Type
y
if all the squares appear to be correct;
otherwise, type
n
.
800 x 600 16-Color Graphics Mode
Screen
Screen
The 800- x 600-pixel 16-color graphics mode screen dis-
plays a series of pyramids in 16 different colors with the
name of the color beneath each pyramid. Type
plays a series of pyramids in 16 different colors with the
name of the color beneath each pyramid. Type
y
if all the
pyramids appear to be correct; otherwise, type
n
.
800 x 600 256-Color Graphics Mode
Screen
Screen
The 800- x 600-pixel 256-color graphics mode screen
displays a series of squares with four colors in each
square. Type
displays a series of squares with four colors in each
square. Type
y
if all the squares appear to be correct;
otherwise, type
n
.
1024 x 768 16-Color Graphics Mode
Screen
Screen
The 1024- x 768-pixel 16-color graphics mode screen
displays a series of hourglasses in 16 different colors with
the name of the color beneath each hourglass. Type
displays a series of hourglasses in 16 different colors with
the name of the color beneath each hourglass. Type
y
if all the hourglasses appear to be correct; otherwise,
type
type
n
.
1024 x 768 256-Color Graphics Mode
Screen
Screen
The 1024- x 768-pixel 256-color graphics mode screen
displays a series of asterisks with four colors in each
asterisk. Type
displays a series of asterisks with four colors in each
asterisk. Type
y
if all the asterisks appear to be correct;
otherwise, type
n
.
C
olor 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 ability of the
display or monitor to vary the intensity of these colors.
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 ability of the
display or monitor 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
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; other-
wise, type
n
.
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