Date   : Tue, 16 Aug 2011 18:21:49 +0200
From   : rick@... (Rick Murray)
Subject: Advice on restoring a dead Beeb?

On 15/08/2011 23:02, Michael Firth wrote:

> I'm surprised there isn't a definitive Internet resource with the
> different BBC chip labelling,

Indeed.


> (from looking at a couple of pictures on Chris Whitehead's site and the
> 8BS site) the OS 1.2 ROM should end "PB04" and a Basic II ROM should end
> "PB05".

That corresponds to the ones in my Beeb.


Have you looked at:
   http://wouter.bbcmicro.net/bbc/fault_finding.html

More than that, you might need the service manual...
   http://acorn.chriswhy.co.uk/docs/Acorn/Manuals/Manuals.html#SM


Best wishes,

Rick.

-- 
Rick Murray, eeePC901 & ADSL WiFI'd into it, all ETLAs!
BBC B: DNFS, 2 x 5.25" floppies, EPROM prog, Acorn TTX
E01S FileStore, A3000/A5000/RiscPC/various PCs/blahblah...