Toshiba 960-809 manual Display test, Resolution, Screen Mode

Tests and Diagnostics

3.35.6.4Display 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

1024 X 800

Screen Mode

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.

PORTEGE M780 Maintenance Manual (960-809) [CONFIDENTIAL] 3-175