Toshiba TOSHIBA NB100 manual Video Diagnostic Programs

3.8 Video 3 Diagnostic Programs

It would display the below texts of the different attributes in the screen:

1.Text in normal attribute;

2.Text in blinking normal attribute;

3.Text in inverse attribute;

4.Text in blinking inverse attribute;

5.Text in hi-intensity attribute;

6.Text in blinking hi-intensity attribute;

Users need to check whether all texts displayed correctly in the above six attributes and key in the answer ‘Y’ or ‘N’ to the prompts ‘Is this display OK? [Y/N<Enter=Y>]’.

Below is the test screen of Text Attribute.

3.Text Page Selection

This test item is to check whether the video memory could be correctly written and read in VGA text mode. According to the comparison of written data with read data, the program would report PASS or FAIL.

TOSHIBA NB100 Maintenance Manual 45