Date   : Wed, 13 Aug 1997 10:53:14 +0200
From   : "Mark Usher" <marku@...>
Subject: Re: Solidisk 1770 Upgrade kit

Adrian

> I don't want to cause too much confusion, but I thought that Solidisk
> produced at least 4 1770 DFS kits. 2 Pre Acorn (1770) DFS kits:

Not at all, this is the information that is needed.

> 177O              Issue 1 Pre Acorn (1770) DFS
> 1770+8271 Issue 1 Pre Acorn (1770) DFS
> 
> After the BBC Micro Plus was launched Acorn produced the 1770 DFS for
> the standard BBC Micro and Solidisk produced issue 2 1770 kits:
> 
> 1770              Issue 2 Acorn (1770) DFS compatible
> 1770+8271 Issue 2 Acorn (1770) DFS compatible
> 
> I'm fairly sure the jumper settings were different between the issues
> also. I'll try dig out the manuals, although if you have issue 2
> 1770+8271 I'll check it against my Beeb.

I've just had a look at the board, it doesn't seem to have an issue number
on it, so I would then automatically assume an issue one.
Just says DDFS
WD1770SOLIDISK
(c) 1984 

If you could dig out any jumper settings it would be a major help (or any
other documentation for that matter).
Wow, a 1770+8271, never new such a thing existed.

Mark