Date   : Wed, 17 May 2006 08:45:46 +0100
From   : Philip Pemberton <philpem@...>
Subject: Re: Any ideas?

M J Forbes wrote:
> Found this in a box of Beeb bits the other day ...
> http://www.freewebs.com/mjforbes/romthing.jpg
> http://www.freewebs.com/mjforbes/romthing2.jpg 
>  
> Anyone got any idea what it is?  The lettering on the chip on the 
> underside is PC74HCT - D4T if that's any help!

Looks like some form of sideways RAM adapter - 128kbit (16kbyte). I suspect 
you plug it into a ROM socket, then connect the red flying lead to the /WR 
line on the 6502.

-- 
Phil.                         | Kitsune: Acorn RiscPC SA202 64M+6G ViewFinder
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