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Apple Macintosh LC III floppy

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Apple Macintosh LC III floppy

by afberendsen » Mon Aug 24, 2015 9:30 pm

Hi
I have this Apple Macintosh LC III which is regurgitating the 3 1/2" diskette. This same diskette(s) are loading ok on my Linux box. Any ideas what can be causing this behaviour? Should I remove the Mac floppy and clean the heads?
afberendsen
 
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Re: Apple Macintosh LC III floppy

by Gibsaw » Wed Aug 26, 2015 10:55 am

Yes.. The starting point is always clean the heads.

If it won't read. Clean the heads. If it won't load. Clean the heads. If it makes funny noises. Clean the heads. If a family member has the flu. Clean the heads.... etc

THEN look for the possibility of a latch not completing, or a sensor not correctly detecting the disk.
"dsakey" on trademe. Apple II's are my thing.
Gibsaw
 
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Re: Apple Macintosh LC III floppy

by afberendsen » Thu Aug 27, 2015 4:45 pm

Heads cleaned. No joy.

My knowledge is limited...I will leave it for now until I manage to find a working LC which I can use the floppy :)
afberendsen
 
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Re: Apple Macintosh LC III floppy

by afberendsen » Fri Aug 28, 2015 10:50 am

Progress...

Using as 1.0MB floppy I managed to format a single side (400KB) disk. Two sides (800KB) fails at the verify step. 1.44MB floppies always give error messages at the verify phase (and the disk is ejected).
afberendsen
 
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Re: Apple Macintosh LC III floppy

by afberendsen » Thu Sep 03, 2015 1:15 pm

The top head spring is broken and the head is not working anymore. Better to replace the entire FDD...
afberendsen
 
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