Toshiba Satellite A500 Service Manual page 127

3 Diagnostic Programs
This test item is to check whether 80*25 Text Mode works normally.
In the test, user is required to respond according to the instruction in the screen.
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 according to the instruction in the screen.
Satellite A500 Maintenance Manual
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3.8 Video