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This is a popular upgrade CPU for owners of a socket 370 system. If you have a Celeron or a slower socket Pentium III installed, this one may not run at the full 1000 MHz. In all of those cases, the multiplier was correctly set to 7.5, but the front side bus was still 100 MHz -- often because it could not go any faster.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.