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I don't have physical access to the box, but I need to find out how many CPU's it has. Both top and /proc/cpuinfo show 4 CPU's, which I know isn't the case.
I google'd around and read something about hyperthreading being enabled, and this causing 4 CPU's being shown. Since I don't have physical access to the box, I can't disable hyperthreading in the BIOS.
Is there any other way to find out for sure how many CPU's are in the box?
Do you have 2 hyperthreading CPUs then? Each hyperthreading CPU will show up as two CPUs. Newer Xeons and P4s have hyperthreading characteristics, but if you have 2 they must be Xeons since AFAIK P4s can't dpo SMP configurations.
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Regular P4's do smp.
The OP must have dual Hyper threaded cpu's as already stated above.
Im useing dual xeon with hyper threading and it shows as 4 cpu's as it should.