3 Tests and Diagnostics
3. 7 FDD Test
NOTE: Before running the FDD test, prepare a formatted work diskette (1.44 MB). Need
to insert FDD when power on machine. Otherwise the Floppy can be not detected.
The Floppy Disk Test includes three subtests of the:
1. Sequential seek/verify function (Range: Track 0 ~ 79)
2. Funnel code seek/verify function (Range: Track 0 ~ 79)
3. Write/Read/Compare pattern function (Range: Track 75 ~ 79)
NOTE: The write-protected device of this formatted diskette should be “Disable”.
The subtests run automatically.
NOTE: Press “Esc” key can skip the current subtest.
The screen should display as below, indicating whether the subtests pass or fail when finished.
NB300/305 Series Maintenance Manual
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