Subject: Re: Unsuccessful chip replacement attempt
To: Jack Twilley , NetBSD/Alpha <port-alpha@netbsd.org>
From: Greg A. Woods <woods@weird.com>
List: port-alpha
Date: 02/08/2002 15:11:18
[ On Friday, February 8, 2002 at 19:58:21 (+0100), Wilko Bulte wrote: ]
> Subject: Re: Unsuccessful chip replacement attempt
>
> On Thu, Feb 07, 2002 at 07:50:22PM -0800, Jack Twilley wrote:
> > 
> > I used a Dremel to remove the failed chip, and that almost worked.
> > A couple of lands came up, and a couple of legs didn't come off.  The
> > soldering iron removed the leg fragments, but it also revealed that
> > the grinder had also taken out several traces.
> 
> Bad idea... A sharp knife would have worked if you don't dare to do
> it with a soldering iron.

Yeah -- using a Dremel grinder for any such job is like using a hastily
chipped flint knife to do brain surgery.  Even if the tool were mounted
on a precision milling machine and controlled by very fine verniers I'd
still be unwilling to trust it!  :-)

-- 
								Greg A. Woods

+1 416 218-0098;  <gwoods@acm.org>;  <g.a.woods@ieee.org>;  <woods@robohack.ca>
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