3.8 Video 3 Diagnostic Programs
TECRA S1Maintenance Manual 41
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]’.
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. Based on the comparison of written data with read
data, the program would report PASS or FAIL.