Date   : Sat, 01 Nov 2008 20:47:12 +0000
From   : acorn@... (Andy Ford)
Subject: Econet on BBC issue 3 , having problems

Hello.

I'm having trouble with an econet interface (not fitted by me) on an 
Issue 3 'B' . I have tried to cut this mail down a bit although it's 
still a bit long (sorry)

I have never attempted to use econet on this machine till today (as it 
is my only 'B' equipped machine that functions). Initially I got a no 
clock message. A very close read of the fitting instructions for this 
and I found that S5 had never been fitted (untouched solder pads) . All 
the other components are the correct ones and the pcb has had the tracks 
cut and wire links fitted (as needed for this issue)

Anyway, I made a link there (S5 south) and now I have got rid of the No 
Clock message, but I cannot get it to do anything. I have the normal 
prompt but any attempt to access econet results in just a hanging 
cursor, as if it is waiting for the server but it does not time out with 
an error as I would of expected it to (although I only left it about 30 
seconds or so)

I have adjusted the clock speed with no benefit. I should add I have the 
US clock (it is currently set at 230K, and this works fine with the two 
M128's that are connected to my network)

For "spares" , I have a dead issue 7 machine that has econet too, 
although I do not know what components are still functional on this (I 
was thinking substitution) , but issue 3 is laid out slightly 
differently, and I think most of the econet may be damaged on the 7 , as 
most of this machine is a mess.

Extra info: This issue 3 has a combined net and dfs rom (without looking 
it's NFS 3.6 and DFS 1.2) , it is complete (minus the 8271) , I have not 
checked disk i/o although when it was last used a few years ago when it 
had an 8271 the disk interface did function) , as far as I can tell, 
none of the clock / terminator generation parts are fitted to the 3 either.

If anyone has any suggestions (even if its a suggestion of a couple of 
likely failed IC's for econet) that would be greatly appreciated :)


Thanks.


Andy.