| 1. | After post can use for program check point data d0 - d7 read write code
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| 2. | Program check interrupt
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| 3. | Self - repairing programs check for damaged files before launching the program
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| 4. | Usually , every installed program checks occasionally for new version availability
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| 5. | Software program check point display . note : this test card only troubleshooting on power - on
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| 6. | Usually , every installed program checks periodically whether a new version is available
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| 7. | Also can use test card port 80h 300h for software program check point display
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| 8. | Also can use test card for software program check point display . note : this test card only troubleshooting on power - on
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| 9. | Error code message , will know defective position . also can use test card for software program check point display
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| 10. | In this example , you enter a character from the keyboard and the program checks if the input character is a letter
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