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320x200 Graphics Mode Check
To check your 320x200 graphics mode, press 5 and then Enter.
The screen displays three colored squares-light green, brown,
and red-against a cyan background. These four colors are
Color Set 0. If they are correct, press Y and then Enter.
The same pattern is displayed again; this time the squares are
cyan, white, and magenta, and the background is red. These
colors are called Color Set 1. If these are also correct, press Y
and then Enter to end the test.
If any colors are displayed incorrectly, check the adjustment of
your monitor and make sure that both ends of the cable are
plugged in firmly. If a problem still exists, press N and Enter to
display the error message.
640x200 Graphics Mode Check
To check your 640x200 graphics mode, press 6 and Enter. The
screen displays three patterned squares against a black
background, as shown below.
640X200 GRAPHICS MODE CHECK
Is the display correct (Y/N)?
Performing System Diagnostics
C-17