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From: tnemeth@dmsadel.dms.oz (Tom Nemeth)
Newsgroups: comp.sys.laptops
Subject: Re: Replacing the 80C86 (Toshiba laptops)
Keywords: 80C86, V30
Message-ID: <592@dmsadel.dms.oz>
Date: 25 Jul 90 07:00:23 GMT
References: <591@dmsadel.dms.oz> <12009@rouge.usl.edu>
Reply-To: tnemeth@dmsadel.adl.dms.CSIRO.AU.UUCP (Tom Nemeth)
Organization: CSIRO, Div. Maths and Stats, Adelaide, Australia
Lines: 22

In article <12009@rouge.usl.edu> jpd@pc.usl.edu (Dugal James P.) writes:
>>I have heard rumours that it is possible to replace the 80C86 processor
>...
>>The V30 and 80C86 are totally different in packaging.  Can anyone tell
>
>I believe I've seen 5, 8, and 10 MHz chips offered for sale.

Yes, but I have only ever seen the 40 pin ceramic packaging.  I would like
to hear from anyone who knows of any other kind (& source!).

>The key question is: is the existing cpu chip soldered in, or socketed.
>Soldered chips (on multi-layer boards) would probably require skills

It's worse :-(  I had a look inside a T1200, and it is mostly SMT.

>I'm not sure I have!

I have been following a few discussions on working with SMT components,
and I believe it is certainly possible, esp. with the right equipment.
Be positive!

Tom Nemeth