Coppermine is the code name for Intel's Pentium III CPU family that is a successor to the original Katmai design.

Released 1999.10.25, the 0.18 micron Coppermine chips are available in 500, 533, 550, 600, 650, 667, 700, and 733 MHz versions for desktop PCs. Notebook speeds are 400, 450, and 500 MHz. The front side bus runs at either 100 or 133 MHz, and the chips are multiplied anywhere from 4 to 7 times.

Coppermine CPUs actually use aluminum and not copper, so the name is misleading.

I think the name "coppermine" was specifically chosen by Intel to be misleading. They saw a lot of media attention around copper interconnect in PowerPCs, and wondered how they could take advantage of the copper craze.

Aha! Pick a codename for the next-generation processor that's still using standard old aluminum interconnect that sounds like it's based on copper interconnect. Coppermine, yes, it doesn't declare that the processor is using copper technology but it sure seems to imply it.

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