Messages in this thread | | | Date | Sat, 10 Feb 2001 22:48:55 +0100 | From | Pavel Machek <> | Subject | Re: setting cpu speed on crusoe |
| |
Hi!
> Junichi Morita and I have worked out how to access the crusoe > "longrun" settings on the crusoe based VAIO. This allows you to enable > power saving mode and slow the cpu down. It should help battery life a > lot.
There is no documentation? I thought transmeta is linux-friendly company ;-).
Pavel
> the following will enable power saving and set the cpu to the slowest > speed: > > setpci -s 0:0.0 a8.b=11 > > and this will restore you to max speed: > > setpci -s 0:0.0 a8.b=0e > > the bits are: > > LRON bit0: long run "on" - I'm not really sure what this does
Did you try just asking linus?
> LRRV bit1-3: cpu speed > LREN bit4: seems to enable variable speed
-- 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/
| |