Messages in this thread | | | From | Mikael Pettersson <> | Date | Thu, 14 Nov 2002 18:41:55 +0100 | Subject | Re: Dell Poweredge 2600 SMP |
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Daniel Podlejski writes: > Any ideas why Linux 2.4.19, 2.4.20-rc1 and -rc1-ac1 with megaraid > driver from http://www.domsch.com/linux/megaraid/ detects four CPUs, > when olny two are on board ?
Because 1) it has two hyperthreaded Xeon processors, each of which contains two logical CPUs, and 2) you didn't disable hyperthreading in the BIOS.
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