Compaq Presario 1220 laptop
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AMD K6-2
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Compaq Presario 1220 laptop
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Dear CPU Scorekeeper

I have a Compaq Presario 1220 laptop with a Cyrix processor. It is a 200MHz MMX enhanced processor (2.9 volt). I need to know what upgrade options I have for the processor. I want to go as fast as I can, and I have heard that kits are made to make others work. I looked inside and the processor has no separate fan, only a heat sink.

Could this pose a problem?

- - B, May 1999

See the questionCPU Scorekeeper Responds

CPU upgrade kits are available (from Evergreen, Kingston, PowerLeap, and others linked to our Vendors page) for many desktop machines whose motherboards do not directly support today's newer processors. They usually involve an adapter that sits between the native socket (or slot) and the new CPU that performs the voltage/multiplier/BIOS translations. Due to the additional height required for these adapter configurations, they tend not to fit into space-conscious notebook computer cases. A direct CPU replacement upgrade is usually your only choice, if even that is available.

For your laptop, your maximum CPU upgrade options are limited by the native 66MHz bus speed of the motherboard. Replacing your PR200MX with anything faster in the Cyrix line will require that your notebook motherboard can provide a higher (75 or 100MHz) bus speed, which is not likely. If your motherboard supports a higher voltage (which also does not appear likely according to Compaq Support), you can consider an AMD K6-266. Check our CPU Comparator to see the difference in speed.

A memory upgrade to the 96MB max would be your best bet for a performance increase.

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The CPU Scorecard assumes no risk or liability for damage or loss due to the use of the information or advice provided here. All responses are based on the best available information at the time of writing. However, users of this information who wish to apply it to their computer situations do so at their own risk.
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