Date   : Fri, 24 Oct 2008 10:46:50 +0100
From   : ats@... (Adam Sampson)
Subject: A500 development ROMs

Pete Turnbull <pete@...> writes:

> I'm sure the reason you think there was an A500 copro is simply that
> early on, the A500 needed the Tube and a Beeb to do I/O/.

There are some pictures of an "A500 second processor" board here that
looks distinctly different from a regular A500 motherboard:

  http://acorn.chriswhy.co.uk/8bit_Upgrades/Acorn_A5002ndProc.html

It appears to have video, audio and keyboard interfaces, but no disk
controller...

-- 
Adam Sampson <ats@...      >                         <http://offog.org/>