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From: george@wombat.bungi.COM (George Scolaro)
Newsgroups: comp.sys.nsc.32k
Subject: Re: It lives (while cold anyway)
Message-ID: <9010140944.AA04659@wombat.bungi.COM>
Date: 14 Oct 90 16:44:01 GMT
Sender: news@daver.bungi.com
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Approved: news@daver.bungi.com

[In the message entitled "It lives (while cold anyway)" on Oct 13, 20:59, Craig Ruff writes:]
> 
> And now, for reality:
> 
> 	The monitor runs fine when the board is cold.  Eventually
> 	it stops responding.  When reset, it prints the banner up
> 	to the point where it says, "ram free above 0x1" and dies.
> 	At this point, it is very repeatable, it behaves the same
> 	way.  I'll have to spend some time with the scope tomorrow.
> 
> 	Any hints (other than check all solder joints and IC seating)?


A can of freeze (that nasty stuff that destroys the ozone), can be a
godsend at this stage. Let the board warm up until it fails and then
carefully cool each section of the board (gently so the freeze doesn't
'splash'). Work your way down to the faulty component/connection.

best regards,

-- 
George Scolaro
george@wombat.bungi.com                [37 20 51 N / 122 03 07 W]