Device | Tests available | Description | |
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Color graphics | Adapter check | Tests all types | |
adapter and CRT | Attribute check | of color monitors | |
| Character set check |
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| Graphics mode check |
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| Screen paging check |
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| Light pen check |
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| Video check |
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| Sync check |
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| Run all above checks |
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Diskette drive(s) | Sequential seek check | Tests operation | |
and controller | Random seek check | of the diskette | |
| Write, read check | drive(s); requires | |
| Disk change check | a formatted | |
| Run all above checks | diskette for some | |
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| tests |
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Math |
| Tests the | |
coprocessor |
| operation of the | |
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| math coprocessor | |
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Parallel port (printer |
| Tests the primary | |
interface) |
| parallel | port; |
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| requires | a loop- |
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| back connector | |
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| (contact your | |
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| dealer) |
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Serial port |
| Tests the primary | |
| serial port; | ||
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| requires | a loop- |
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| back connector | |
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| (contact your | |
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| dealer) |
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Alternate |
| Tests the | |
serial port |
| secondary serial | |
(on option card) |
| port; similar to | |
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| primary | serial port |
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| test |
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