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From: zrm@eddie.MIT.EDU (Zigurd R. Mednieks)
Newsgroups: comp.sys.mac
Subject: Re: More on Dove MacSnap upgrade
Message-ID: <6352@eddie.MIT.EDU>
Date: Tue, 21-Jul-87 14:14:23 EDT
Article-I.D.: eddie.6352
Posted: Tue Jul 21 14:14:23 1987
Date-Received: Thu, 23-Jul-87 03:12:13 EDT
References: <22694@sun.uucp> <3433@sdcsvax.UCSD.EDU> <1026@elrond.CalComp.COM> <273@uvicctr.UUCP> <1334@apple.UUCP>
Reply-To: zrm@eddie.MIT.EDU (Zigurd R. Mednieks)
Organization: MIT, EE/CS Computer Facilities, Cambridge, MA
Lines: 21

In article <1334@apple.UUCP> bc@apple.UUCP (bill coderre) writes:
>
>The chip clip is probably the best "clip-on" technology. It has bolts
>that tighten it around the chip, actually biting into the pins. I did
>notice on our several Prodigies (which I installed, not too much
>trouble) that as good as these clips are, they don't like to me
>inserted/removed more than once or twice. I had a problem with that,
>and when I called Levco, they gladly shipped me some spares. No
>problem.
>
I really can't agree that the Levco chip-clip is a good idea. If
General Computer hadn't bought every low-profile test clip available,
Levco would have used them too. The Levco chip-clip is a kludge of the
first magnitude: the connectors that "bite" into the 68000's pins
weren't made to do that -- they are wire-wrap pins and their sharp
ends were never meant to be used as either permanent contacts or
mechanical supports. No wonder they give out after one or two
assemblies. Which is too bad, since in all other respects the Levco
accelerator is/was an awesome product.

-Zigurd