Date   : Tue, 17 Feb 2009 20:21:52 -0000
From   : mfirth@... (Michael Firth)
Subject: Downgrading a B+

----- Original Message ----- 
From: "Mark Haysman" <jumbos.bazzar@...>
To: "xx BBC micro mailing list" <bbc-micro@...>
Sent: Monday, February 16, 2009 3:48 PM
Subject: [BBC-Micro] Downgrading a B+


> Hi folks.
>
> Am I correct in assuming that fitting an OS1.20 ROM to a B+ (along with a
> suitable BASIC of course), will simply downgrade it to be 100% compatible
> with the Model B and it's games/software etc?
>
> I've been doing just that to a B+ 64K and a 128K, and both seem to run 
> quite
> happy with 1.20, albeit of course with only 32k to play with.
>
> Is it a known "thing to do", or are there snags and issues I've yet to
> encounter?
>
> Thanks, Mark.
>
There are a couple of threads in the archive that seem to confirm that this 
is (a) a fine thing to do:
http://mdfs.net/Archive/BBCMicro/2001/09/26/091137.htm

and that (b) companies made hardware add-ons that did it at the time:
http://mdfs.net/Archive/BBCMicro/2008/08/07/145545.htm

Regards

Michael