Date   : Wed, 05 Apr 2006 08:44:52 +0100
From   : "neil f" <faz@...>
Subject: Wot DFS?

 

> -----Original Message-----
> From: Majordomo List Manager [mailto:majordomo@...]
On Behalf 
> Of Fragula
> Sent: Tuesday, April 04, 2006 6:51 PM
> To: bbc
> Subject: [BBC-Micro] Wot DFS?
> 
> Hi!
> 
> One for the experienced eagle-eyed: What flavour of 1770 board
and 
> (not neccesarily related!) ROM do I have here?
> 
> http://www.hyperdark.org/acron/WotDFS
> 
> The machine it lives in doesn't seem to have the full
complement of 
> FDC-related TTL, just a couple of 7438s.
> 
> Cheers!
> 
> M.
> 

The board looks like the one I'm using currently. It's basically
a Watford board that's been redesigned 'upside-down' to allow it
to extend left rather than right when inserted in the 8271's
socket. This has the advantage that it doesn't interfere with
ROM/RAM boards like APDL's Sidewise (which I also use).

I'm assuming that the other chip is a B+ DFS ROM. I have the
identical chip but I haven't got around to trying it in my B+
yet as its motherboard is still awaiting some chips and sockets.

-Neil F.



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