Date : Tue, 08 Sep 2009 13:18:27 +0100
From : philb@... (Phil Blundell)
Subject: Acorn World '09: Final Layout & Wiring Plan
On Mon, 2009-09-07 at 23:43 +0100, Jonathan Graham Harston wrote:
> > Phil Blundell wrote:
> > > FWIW, if you have at least one free sideways slot then it's fairly
> > > straightforward to fit 32K of SRAM (and probably feasible, though
> > > somewhat more fiddly, to fit 64K). Of course, if you have enough
>
> http://mdfs.net/Info/Comp/BBC/SROMs/32K
Right, exactly like that.
512Kbit SRAMs seem to be somewhat hard to buy, so for 64K you'd need to
use either a pair of stacked 62256s or half of a 1Mbit device. I guess
the former is probably easier.
p.