3.8 Video
3 Diagnostic Programs
3.8 Video
This test item tests the video by:
1.
displaying the figures in different graphic modes.
2.
displaying the property and color of the characters in different text modes.
User will confirm whether each video mode works normally by judging whether the display
is correct. It checks whether the video memory works normally by writing data into the video
memory, then reading it out and comparing the two value.
Subtest 01
Text Mode
1.
Character Test
Tests two types of font patterns.
Font 9*14
Font 9*16
It requires the user to check whether all characters of each font type displayed
correctly by answering the questions prompted on screen. It will be displayed as
follows:.
2.
Text Attribute
This test item is to check whether the text attribute of normal, hi-intensity,
inverse, and blinking in VGA text mode could be correctly displayed on the
screen.
Satellite M40/M45 TECRA A4 Dynabook Vx/4 Maintenance
Manual
45
Summary of Contents for Dynabook Vx/4
Page 11: ...Chapter 1 Hardware Overview ...
Page 12: ...1 Hardware Overview ii Satellite M40 M45 TECRA A4 dynabook Vx 4 Maintenance Manual ...
Page 71: ...Chapter 3 Diagnostic Programs ...
Page 74: ......
Page 142: ...Chapter 4 Replacement Procedures 4 1 ...
Page 143: ...4 Replacement Procedures 4 ii Satellite M40 M45 TECRA A4 dynabook Vx 4 Maintenance Manual ...
Page 149: ......
Page 213: ...6000 1 次 Appendices ...
Page 214: ...Appendices App ii Satellite M40 M45 TECRA A4 dynabook VX 4 Maintenance Manual ...
Page 217: ...Appendices Satellite M40 M45 TECRA A4 dynabooK VX 4 Maintenance Manual App v ...