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From: pegram@kira.UUCP (Robert B. Pegram)
Newsgroups: comp.sys.atari.st,comp.sys.atari.st.tech
Subject: Re: GCR problem
Message-ID: <1991Mar19.183734.16305@uvm.edu>
Date: 19 Mar 91 18:37:34 GMT
References: <68295@brunix.UUCP>
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From article <68295@brunix.UUCP>, by mjv@brownvm.brown.edu (Marshall Vale):
> In article <1991Mar8.193900.3518@uvm.edu> pegram@kira.UUCP (Robert B. 
> Pegram) writes:
> [stuff about mouse and keyboard freezing]
 
>   Before you go about replacing hardware, I'd recommend at least doing
> a virus check with the latest version of Disinfectant (2.4 if I'm not
> mistaken). Mouse freezes are the symptoms of some Mac viruses.
 
>   It can't hurt!
 
> Marshall
 
Thanks, but that problem is unlikely, if possible 8-).  In any case, the
mouse and keyboard problems have now appeared in regular ST mode.  I
got a new Ikbd processor from Best Electronics, but that hasn't
helped.  A reset *always* fixes things for a while, so I rather doubt
that the keyboard connection is intermittent, it's hard to check!  
I am now gearing up to figure out which 6850 ACIA to remove and 
replace (I *did* get one from Best 8-).   If I foul things up, it's a
new STE for me 8-().  At least my trial run for desoldering, replacing
the connector in my mouse, went well.  I recommend the Radio Schnook
desoldering iron 8-).
	A couple of interesting things came from my talks to the Best
Electronics guy.  One is that the Mega keyboard is almost a drop in
fit for the original (external PS and floppies) 520ST, (same large
connector) and is only a little more expensive to buy ($110 vs $90
8-).  The other interesting thing is that there are two versions of
the keyboard processor.  I have an '85 ST, but luckily it used the
later processor -002.  If yours is a -001 version, you need a whole new
keyboard if it goes bad (I _hope_ that version was only on the
developer 520s, this is, after all, ancient history 8-).

By the way, sorry if I have seemed unresponsive, but we lost our news
feed here for most of last week 8-(.

ciao,
	Bob Pegram

pegram@griffin.uvm.edu
	or
...!uvm-gen!pegram