Toshiba L517, L515 manual 8Video3DiagnosticPrograms, Subtest01 TextMode, TextAttribute

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.￿￿

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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:.￿

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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.￿

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