Date   : Tue, 01 Apr 2003 11:56:47 +0100 (BST)
From   : Brian Widdas <brian@...>
Subject: Re: More expert advice

On Tue, 1 Apr 2003, Kate Kneebone wrote:

> Hi again,
>
>  Last night I attempted to fit my shiny new 1770 disc upgrade.
> Everything appears to be in the right places, S9 was duly snipped (even
> if I did manage to stab myself in the process...), two ICs and two links
> plugged in, 1770 board plugged in the right way round and the DFS rom
> inserted.  The only problem is it still thinks it's tape only; there's
> no message announcing the DFS.  Before I conclude my DFS EPROM has
> amnesia (moving it to another socket didn't help), is there anything in
> the upgrade I might have missed or done wrong that would prevent the DFS
> starting up?

Check for a link 57 (bottom left of the board) - some versions of the Beeb
had this link unmade, and it needs to be made for DFS to start working.
Alternatively, you could get an ADFS ROM, which isn't affected by this
problem.

Brian
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