Date   : Tue, 06 Jul 2004 15:39:55 +0100
From   : Mike Tomlinson <mike@...>
Subject: Re: Acorn Winchester unit

In article <5035133C-CE03-11D8-AADD-000A27B4860C@...>, D. G.
van der Pol <danielg@...> writes

>Does this sound familiar, or did I overlook something. I used HDForm 
>first to format, them I found Superform somewhere on the net. These 
>programs don't seem to care that my drive is using 512bytes/sector

IIRC, they don't issue a Format Unit command, but just clear sectors and
lay out a filesystem map.  Hence the sector size is not changed.

> but 
>as soon as I start to save data on the drives, I run into problemes 
>that invalid data is read from the disk.

Not surprising, if ADFS is expecting 256 bytes to be returned from the
drive in reply to a Read Sector command, and 512 are returned instead.

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