Re: floppy disk bad sectors

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#8300

From: Andrue Cope [TeamB]
Date: Wed, 10 Nov 2004 16:12

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Don Locke wrote:

> And even though I ask them to format the floppies & check for bad
> sectors, some of them don't do it.

You don't have to tell me about users get up to wrt to media :)

> I was hoping there was a structure somewhere that had information
> about bad sectors.

In the case of a floppy disk the FAT does. It marks bad clusters using
the value 0xFFF8. Unfortunately that's dependent on the OS being given
the opportunity to populate the FAT and no further sectors 'going bad'
afterward.

And of course it still needs to be read.
-- 
Andrue Cope [TeamB]
[Bicester, Uk]
http://info.borland.com/newsgroups/guide.html

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Subject: Re: floppy disk bad sectors
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