Date   : Thu, 05 Jun 2003 23:35:04 +0100
From   : Sprow <info@...>
Subject: Re: Sideways RAM designs

In article <20030605222607.I3540@...>,
   James Fidell <james@...> wrote:
> Talking of sideways RAM...
>
> I have here on my desk an ATPL "Sidewise" sideways ROM/RAM board
> carrying two 6264 chips and 12 ROM sockets.  Without opening a Beeb up,
> it looks like it mounts into one ROM socket (IC51?) and into the socket
> for IC73 (whatever that is).  We're about to move house and all my
> manuals are boxed up at the moment.  It also has two flying leads, one
> red, one blue.
>
> The blue flylead appears to be attached to pin 25 of IC51.  The red
> flylead has become detached.

The two flying leads on an ATPL board go either side of link S21,and you can
also optionally add a write protect switch which would typically be another
flying lead (though with a switch on the end!),
Sprow.