HP OmniBook 4100
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Dear CPU Scorekeeper

I currently own an HP Omnibook 4100 with an Intel Pentium-II processor with MMX and am wondering about my upgrade options. I would like to push it to around 400-500MHz, if it is possible.

Any information you could give me would be appreciated.

- - Trucker, October 1999

See the questionCPU Scorekeeper Responds

Notebook computers are notoriously resistant to CPU upgrade options, mainly due to space limitations and model-specific motherboard (hence BIOS) designs. Your HP Omnibook 4100 is no exception. Unfortunately, pushing its native 266MHz Pentium-II up to 500MHz would require a magic wand.

As you can see on our Pentium-II stats page, your CPU upgrade options are limited by what can actually fit into the Mobile Module connector on your motherboard. In the case of the Omnibook, the fastest CPU that would fit is a 300MHz Pentium-II. If you check our CPU Comparator, you will see the relative increase in speed would be less than about 10%.

A memory upgrade to the 96MB max, as specified by HP's Product Spec Guide, would be your best bet for a performance increase.

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