Date   : Wed, 18 Jan 2006 07:50:28 +0000 (GMT)
From   : Sprow <info@...>
Subject: Re: Reviving a dead BBC+

In article <001201c61bfc$e07413d0$0200a8c0@...>,
   Ken Lowe <kglowe@...> wrote:
> Hi group,
>
> I have a faulty BBC B+ 

[Step 1 to 9]

> Assuming that this is a valid step, can I 'borrow' a 6845 from any old BBC
> or Master, or do I need an exact replacement? The CRTC in the BBC+ is
> identified as a HD6845SP.

Yes, a donor machine is fine. You might also want to remove, clean and
reseat the OS ROM - this would also cause the symptoms you describe since
nothing would write to the display controller so it wouldn't output anything,
Sprow.