Date   : Sun, 07 Jun 2009 16:36:56 +0000 (GMT)
From   : tommowalker@... (Tom Walker)
Subject: [OTish] Largest HD an Acorn A4 can take with RiscOS

> Perhaps if you create some very big files which will take up the first 
> 512MB and then save a file with some unique data in, and then delete the 
> big files and compact the drive and see if it will still correctly read 
> back the data in the unique file?

FileCore on RISC OS 3.1 only has a 29-bit field for the disc address (the 
top three bits are drive number), limiting it to the first 512mb. Even if
the drive is initialised to a larger size ROS can only access 512mb of it
and the above suggestion will end up corrupting the drive.

Tom