FLOPPY DISK DRIVE SPECIFICATION
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2.3 Reliability
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M.T.B.F.(Mean time between failures) | 20000 power on hours (POH) | |||||||
(25% duty) | ||||||||
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M.T.T.R.(Mean time to repair) | 30 minutes Max. | |||||||
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Component Life | 5 | years |
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Disk Life |
| 3 |
| 10 | 6 | passes per track or more | ||
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Disk Insertion |
| 3 |
| 10 | 4 | times or more | ||
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| Soft Read Error | 1 | per 109 | bits read | ||||
| (*1) |
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Error Rate | Hard Read Error | 1 | per 1012 | bits read | ||||
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| Seek Error | 1 | per 106 | seeks | ||||
| (*3) |
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<Note>
(*1) A soft (recoverable) error is defined as a successful attempt to read a track of data within 3 retries after a read failure.
A read retry is defined as an attempt to read the entire track that a read failure occurred on.
(*2) A hard
(*3) A seek (access) error is defined as the inability of the drive to seek to
a targeted track within 1 retry. An access retry is defined as one recalibration with an attempt to seek to the targeted track.
SEMA ELECTRONICS CO.,LTD
