[Coco] 1.2 MB Floppies (again)

[Gene Heskett]

On Thursday 03 August 2006 13:27, wdg3rd at comcast.net wrote:
>The word you're looking for is "coercivity" measured in oersted or
> ampere/meter units.
>
Thanks Ward, I didn't think that looked right when I typed it.

>--
>Ward Griffiths    wdg3rd at comcast.net
>
>Men will never be free until the last king is strangled with the entrails
> of the last priest.  Denis Diderot
>
> -------------- Original message ----------------------
>From: Gene Heskett <gene.heskett at verizon.net>
>
>> The magnetic 'hardness' of the films on the 2 disks are different, the
>> DD type being easily written to, the HD type needing about 2x as much
>> write current.  One of the problems in useing the 3.5" drives today is
>> that the lower coercity film disks, labeled DD, are made out of pretty
>> pure unobtainium, and when you tape up the HD hole to make the drive
>> thinks its a DD disk, then the write current is turned down and the
>> disk isn't written hard enough.  It may read back in an hour, or maybe
>> not.  In a year, its generally no way Jose`.

-- 
Cheers, Gene
People having trouble with vz bouncing email to me should add the word
'online' between the 'verizon', and the dot which bypasses vz's
stupid bounce rules.  I do use spamassassin too. :-)
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Copyright 2006 by Maurice Eugene Heskett, all rights reserved.