What kind of upgrade are you thinking about, putting a P-166 in place of the P-133?  I doubt that the mobo on your laptop is going to support a PII or a PIII.  Finding a P-166 will take some auction searching.  You'd have to update the BIOS, and I am sure that everything in that notebook is proprietary to Hitachi, and therefore costly.  Take a look at the Dell.com auction site for cheap Dell laptops, or look at eBay, among many others.

>Hello all:
>Question for the list:
>I have a Hitachi Visionbook Plus Model 4140, it has an Intel P-133Mhz
>processor and 96 Meg Sdram,is it possible to upgrade the processor to a
>higher speed? Some of the accessories that I would like to use with it take
>at least 166 MHz processor to work.
>I haven't seen a whole lot of discussion of this issue, just questioning if
>the idea would be worth trying to do.
>Thanks in advances for all comments on this.
>
>Nancy Drew
>
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>                    Digest mode - visit our web site:
>                   http://freepctech.com/pcbuild.shtml
>


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