[Gllug] anyone know a source for 3.5" DSDD floppy disks?

Chris Bell chrisbell at overview.demon.co.uk
Sun Mar 21 07:17:44 UTC 2004


On Sat 20 Mar, Bob Giles wrote:
> 

> 
> If push comes to shove, get DS-HD and cover the hole opposite the write
> protect catch with insulating tape to fool the drive! That is the opposite
> of the old trick of burning a hole through an old 720K disk to format it to
> 1.44Mb. Trust me, both work!
> 
> Bob G.
> 

   They have different magnetic specifications like coercivity, and some
older drives cannot cope with them. Drives in the older Acorn computers
could only handle DD discs, later ones could ignore the disc moulding and
format to whatever you wanted up to about 1600K, which is near to the limit
for a nominal 2MB unformatted disc. I have not heard of anyone using an
Acorn with the even higher density formats available in some computers, (up
to about 2.8MB floppies).

-- 
Chris Bell

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