Date   : Fri, 30 Apr 1999 16:10:34 +0100
From   : Dave Lambley <dfl@...>
Subject: Re: PLEASE HELP URGENTLY

In message <c=GB%a=TMAILUK%p=DCNET%l=EXCHANGE2-990429193001Z-694@...>
you wrote:

> I'm not too sure about the speech chip.  Is this the Acorn one?  If so,
> I thought this was usually plugged in to the socket on the right hand
> side of BBC model A and B keyboards (the socket would be covered by a
> layer of plastic if it had never been used).  This socket doesn't exist
> on BBC Masters.  I don't know if this chip could be plugged in
> internally, or how it would be marked to differentiate it from other ROM
> chips, but I would expect the *HELP command to list it if present.

The socket covered by the plastic is for a 'serial rom', which
according to the Advanced User Guide can contain games. The actual
speech hardware is internal and IIRC on the left, near the PSU. The
ICs are a 5220 'Speech Processor Controller' and a 6100 'Speech ROM'.

HTH, Dave
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