Toshiba TECRA S1 - Manual (Page 117)

3.8 Video 3 Diagnostic Programs
TECRA S1Maintenance Manual 43
Subtest 02 640 * 480 VGA Mode
This test item is to check whether 680*480 VGA Text mode works normally.
In the test, user is required to respond based on the instruction in the screen.
Subtest 03 VESA Video Modes
This test item is to check whether all the video modes supported by the video card
works normally.
In the test, user is required to respond following the instruction in the screen.
1. 640X480 Video Modes Test