Tests and Diagnostics
3-162 [CONFIDENTIAL] TECRA A11/S11/P11/Satellite Pro S500 Series Maintenance Manual (960-784)
3.35.6.4 Display test
Move the highlight bar to the subtest you want to execute and press Enter.
1) VRAM Read / Write for VGA
This subtest writes the constant data (AAAAh and 5555h) to the video RAM. The data is
read and compared to the original data.
2) Gradation for VGA
This subtest displays four colors: red, green, blue and white from left to right across the
screen from black to maximum brightness.
3) Gradation for LCD
This subtest displays bands of gradations for mixed colors, then for red, green, and blue.
Next, it displays eight solid colors full screen: red, semi-red, green, semi-green, blue, semi-
blue, white, and semi-white. Each color displays for three seconds.
4) Gradation & Mode test for VGA
This subtest displays gradations for following modes. To change the mode, press Enter.
It automatically judges vesa mode supported by each mode and displays gray levels for as
many modes as possible.
Resolution Screen Mode
1024 X 800 12, 13, 3, 111, 112, 114, 115, 117, 118, 165
5) All dot on / off for LCD
This subtest displays an all-white screen then an all-black screen. The display changes
automatically every three seconds, then returns to the DISPLAY TEST menu.
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