Date   : Sat, 30 Oct 1999 10:39:26 +0100
From   : Philip Blundell <Philip.Blundell@...>
Subject: Re: Further investigation 

>What I have discovered that removing the 8271 allows the machine to boot.

Is the 8271 itself a known good part?

>When booting and into NFS, a *I AM SYST leads to a Line Jammed error which
>would be in accordance of the lack of wave from pin 12 IC94.

Could be, though there are other possible causes too.  What exactly do you 
see at IC94 pins 4, 5 and 12, and at IC91 pin 8?

p.