Messages in this thread | | | Subject | Re: How is user space notified of CPU speed changes? | From | Alan Cox <> | Date | Sun, 24 Oct 2004 15:04:18 +0100 |
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On Sul, 2004-10-24 at 00:35, Jon Masters wrote: > Out of sheer interest, you said you had an example box which did this. > I've never actually seen a modern SMP setup with different cock > frequencies (even accepting it's possible) - can you give me a more > modern example? I'm sure they're out there, I've just missed it, and I > have to confess to not being aware that Linux supported this kind of > setup.
The classic setups were dual PIII type systems - common FSB clock but different multipliers for the processors. A lot of dual slot 1 boards ended up with weird processor combinations.
Modern systems that don't tie the tsc include the big IBM 440 series systems.
Alan
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