Path: utzoo!utgpu!watserv1!watmath!att!cbnews!mvadh
From: mvadh@cbnews.att.com (andrew.d.hay)
Newsgroups: comp.sys.att
Subject: Re: 3.5 disk for att 6300?
Message-ID: <1990Jul12.112604.2432@cbnews.att.com>
Date: 12 Jul 90 11:26:04 GMT
References: <10397@lindy.Stanford.EDU> <63908@sgi.sgi.com>
Distribution: na
Organization: AT&T Bell Laboratories
Lines: 20

In article <63908@sgi.sgi.com> gsk@khaki.asd.sgi.com (George S. Kong) writes:
[]
"The best method for dealing with soldered on DMA chips is to carefully
"cut the leads to the chip leaving enough length to solder to.  Then
"carefully solder the leads of the new DMA to the leads from the old
"DMA leads.  This can be tricky because the tolerences at this point
"are rather small and it is fairly easy to form a solder bridge.

NO!

cutting the old chip out is right, but you should NOT leave the old
leads in place.
heat each pad with your iron and blow, suck, or pull the old lead out.
this will leave a clear hole to install your new SOCKET into.

-- 
Andrew Hay		+------------------------------------------------------+
Ragged Individualist	|	 But I thought we were *ALL* iconoclasts!      |
AT&T-BL Ward Hill MA	|		I was just trying to fit in!!!	       |
a.d.hay@att.com		+------------------------------------------------------+