RE: 390 CPU to 380XD possible?

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From: James H. E. Maugham (CaptJHEM_at_waterw.com)
Date: Mon Oct 15 2001 - 10:48:28 EDT


Bert,

Bert Haskins [mailto:bhaskins_at_triton.net] wrote:

> I have two 380xd thinkpads which I like very much.
> A trusted vendor on ebay has a bunch of "parts" 390 TPs.
> Does any one on the list know if it is possible to take the 400MHX cpu
> card and/or other
> parts from the 390 and transplant it to the 380 to boost it from 233mhz
> to 400 ?.
> Or, is there any way to find out?
> I've worked on many Thinkpads and have all of the necessary equipment.
> Any comments please, Bert

Short answer = NO!

The 380 series used the MMC-1 processor module whereas the later 390 series
used the MMC-2 processor module. The modules are completely incompatible
with the differing motherboards.

Regards,

James


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