On Tue, Jul 9, 2002, Mark Grimes <mark@openbsd.org> wrote:

>nvedit<return>
>" /cpus/PowerPC,G4@0" select-dev<return>
>2faf0800 " clock-frequency" get-my-property 2drop !<return>
>00000000 " force-reduced-speed" get-my-property 2drop !<return>
>
>(Type Ctrl-C to exit editor)
>
>nvstore<return>
>setenv use-nvramrc? true<return>
>reset-all
>
>(Laptop will reboot, then enter normal boot hd command to boot {Open,Net}BSD)
>
>dmesg will now report 800mhz! :)

Are you sure you really switched the speed and didn't just change the
_reported_ speed ?

I found no OF code on this machine to do the actual speed switch, I'm
currently trying to figure out how to acheive it in software.

Ben.