Maintenance and Service Guide |
Table 4-1. Matrix of Possible Video Tests
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| Video Controller/Display |
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| EGA | EGA | VGA | VGA |
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Video Test | CGA | W/DMM | W/COLOR | W/COLOR | W/MONO | MDA |
Video Controller | X | X | X | X | X | X |
Display Characteristics | X | X | X | X | X |
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Character Set | X | X | X | X | X |
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80 x 25 Display | X | X | X | X | X |
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40 x 25 Display | X | X | X | X | X |
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320 x 200 Standard Graphics | X | X | X | X | X |
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640 x 200 Standard Graphics | X | X | X | X |
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Lightpen | X | X | X |
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Display Memory Pages | X | X | X | X | X | X |
Gray Scale/Color | X | X | X | X |
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Noise | X | X | X | X | X | X |
Enhanced Display Characteristics |
| X | X |
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640 x 200 Color Graphics |
| X | X | X |
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640 x 350 Color Graphics |
| X | X | X |
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Monochrome Text |
| X |
|
| X | X |
640 x 350 Monochrome Graphics |
| X |
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| X |
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640 x 480 Graphics |
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| X |
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256 Color Mode |
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| X |
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Monitor Alignment |
| X | X | X |
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CGA - Color graphics adapter |
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DMM - |
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EGA - Enhanced graphics adapter |
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MDA - Monochrome display adapter |
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VGA - Video graphics array |
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