Messages in this thread | | | Date | Sun, 10 Dec 2000 23:12:55 +0100 | From | Pavel Machek <> | Subject | Re: K6-2+ and MSR registers (PowerNOW) |
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Hi!
> Bought myself this new CPU that is mainly available for laptops. > > I have Tyan S1590 board which BIOS won't POST if I set cpu speed (it's > 500Mhz chip) >300Mhz. This won't matter much in windows since I can there > use graphical utility which allows one to set whe CPU clock multiplier in > flight as 2.0 - 6.0. But since my machine is Linux like 98% of the time > I'd like to do same in linux. > > Things I have considered are. Do I need to recalculate BoGos? Do I need to > reserve the IO space to access it from user space.
You should recalculate bogomips. Hell _may_ break loose if you don't, but it probably will not.
> In the end it would be nice to do proc entry or user space program that > allows one to [sg]et cpu speed and other PowerNOW properties.
Hmm, it would be nice if generic interface existed: my philips velo 1 can set cpu speed in range 2MHz .. 40MHz.
Pavel -- I'm pavel@ucw.cz. "In my country we have almost anarchy and I don't care." Panos Katsaloulis describing me w.r.t. patents at discuss@linmodems.org - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org Please read the FAQ at http://www.tux.org/lkml/
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