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Article #675

Re: Low Level Formatting an IDE Drive ?

#675
From: John Beardmore
Date: Thu, 11 Jan 1996 00:00
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In article <DL0wt3.1r7@uis.com>, Scott Miller <scottm@uis.com> writes
>
>What you are describing is not Low Level Formatting.  It is usually
>referred to as "drive translation".

I don't think so. Tramslation is the act of remapping the drive
geometry. As far as I recall, the thing at c800:5 in old mfm bios code
was generally an ll format routine.

Now, when you plug in an IDE interface card, I'd hate to guess how the
controler on the drive interprets the commands that the format routine
gives it. Maybe the interface or drives do some translation but I'd have
thought that drives this old and small would have had no need of it.


>>Re LLF on IDE.
>
>>    Oh dear, this is very technical.
>
>>    I had to LLF a bunch of second-hand drives last summer; Conners,
>>Seagates and others.  The reason was to REDUCE their sizes because
>>they were going in old 286s (for a charity) which did not have a
>>user-specifiable drive-type.  (I was fitting IDEs in place of MFMs,
>>using standard IDE HDC cards.)  I never had any trouble except with
>>one 105Mb Seagate which was VERY slow afterwards.

What interleave were you using ?  That might account for it.

-- 
John Beardmore
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From: John Beardmore <wookie@wookie.demon.co.uk>
Subject: Re: Low Level Formatting an IDE Drive ?
Date: 1996/01/11
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