Messages in this thread |  | | Subject | RE: Slower CPU frequency reported by the kernel | Date | Tue, 6 Feb 2007 12:38:11 -0600 | From | "Langsdorf, Mark" <> |
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> > I'm using a PC with AMD 64 3000+ cpu which is theoricaly running at > > 2Ghz. But when looking at /proc/cpuinfo, the kernel reports that it > > runs only at 1Ghz: > > ... > > What's going wrong ? > > Do you have feature called "Cool N' Quiet" enabled in BIOS? > I had the same problem and disabling the feature the problem resolved.
Linux reports the frequency the processor is currently running at. Cool N' Quiet is a feature that allows the processor to run at a lower frequency and voltage when it is idle, thereby saving you power and letting your fans run slower and quieter. Don't turn it off.
-Mark Langsdorf AMD, Inc.
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