The dialog box stating that the "Disk Is Deteriorating" indicates that bad
blocks have been found on the diskette and that spare good blocks are starting
to be used.
A directory on the diskette contains the addresses of good blocks that are
used as spares. When you get about as many bad blocks on your diskette as
you have spare good blocks, the error message is displayed and the diskette
may soon become unreadable.
If you receive a message that the Disk is Deteriorating, it's time to put the
documents onto another diskette. However, if the disk works fine in other
drives, there may be something wrong with the drive.
EXTENDED Information section - Apple Internal Use - Service Providers and Support Professional
APPLE EYES ONLY Information section - Apple Need-To-Know Confidential
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