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Subtest 10
LED/DAC Pallet
This subtest checks the LED indicator (Caps Lock, Overlay and Num Lock)
by key operation.
[ Caps/Num/Overlay LED test ]
(1) Press [Caps Lock
(2) Press [Fn + Num Lock] key !...Num
(3) Press [Fn
PRESS [Enter] KEY
Press Enter to display the following two messages:
After pressing Enter, this subtest writes the '2A' and '15' data to 6 bit of
256x3 (RGB), then reads new data and compares the result with the original
data.
[DAC pallet W-R-CMP test ]
[Processor latch test
Processor latch test (1:256 times, 2:endless) ?
To exit, press Ctrl + Break . Then press Enter.
Subtest 11
Color display
This subtest sets the video mode to '13' and displays color code (0 to 63) at
the same time, then displays seven screens. The first screen shows many colors
at once, the next three display 64 shades of red, green, and blue successively
and the last three display 64 shades of red, green, and blue. Also, it sets the
video mode to '5F' and displays 256 colors.
Press Enter to change the display. Press Ctrl + Break to exit.
100CS
] key !...Caps
] key !...Overlay(on/off)
=
(about 1 second)
]
=
(on/off)
(on/off)
3-19
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Troubleshooting
