Date   : Tue, 06 Jul 2004 23:11:19 +0100
From   : Richard Gellman <splodge@...>
Subject: Re: Acorn Winchester unit

Pete Turnbull wrote:

>On Jul 6, 10:50, Richard Gellman wrote:
>
>  
>
>>Someone mentioned "only using the first 10 or 40Mb". I've not used
>>Acorn's hard drive formatters yet, so I don't know how they determine
>>drive size, but the ADFS format supports quite unfeasibly large hard
>>drives (512Gb I believe). If the formatter won't recognise the whole
>>drive, there is a manual method (once the disk is in 256-byte/sector
>>mode) that can be use to create an ADFS filesystem on the drive:
>>    
>>
>
>I think you're out by a factor of 1024.  IIRC, ADFS format on a Beeb
>(and early versions for the Archimedes) only support something like
>512MB.  I remember Acorn had to change it when larger drives came
>along.
>
Yep. You be right there. For some reason I was sure I'd read about a 
maximum theoretical size of 4Tb, but reduced to 512Gb because of Acorn's 
usage convetions. But upon re-reading it, it is indeed 4Gb -> 512Mb.

Still pretty good for a 1984 Acorn.

-- Richard