Date   : Thu, 25 Jun 2009 09:38:24 +0100
From   : francis@... (Francis Devereux)
Subject: reading data from old hard disk

On 25 Jun 2009, at 01:03, Jonathan Graham Harston wrote:

>> Message-ID: <d8834d20906231621h264d77e4pd05a22f09f48e931@... 
>> >
>
> Alex Taylor wrote:
>> Phil Blundell wrote:
>>> If I remember right, ADFS uses 512-byte sectors
>>> natively on the Archimedes.
>>
>> Looking into it, I think you're right. For some reason I'd assumed
>> they were 256-byte sectors.
>
> RISC OS ADFS uses 256-byte sectors for 'L' format disks, D and
> later format disks use 1024-byte sectors.

Doesn't it use 512 byte sectors for hard discs though?  I'm pretty  
sure the IDE discs I have in my Risc PC (and had in my A4000 and  
A5000) have 512 byte sectors.

Francis