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File Tools - MDFS::Software.FileTools
The Utility disk includes tools for dealing with sideways RAM.
to bbc retrocomputing sideways software ...
on 16 October 2009
Fitting 256K paged RAM and ROM to the BBC Micro
A much more complicated approach (but allowing you to fill more banks).
to bbc retrocomputing sideways ...
on 26 March 2009
Subject: Re: Sideways RAM
The same approach again.
DIY 32K Sideways RAM
This works, but I wouldn't do it the way they describe -- it's *much* easier to do it by bending up the pins of the RAM chip and adding a couple of wires on the top side of the board.
by Adam Sampson.