Re: Incorrect mdelay() results on Power Managed Machines x86

Alan Cox
2001-03-23T09:44:20Z

> If it's a 500MHz Thinkpad, then I'm guessing it's something like a 600X.
> That doesn't have Speedstep. The speed changes are done by some circuitry
> in the laptop. I can try to find out more if this would help.
> The newer machines are using Speedstep.

Ok

Any info on how the laptop wants to tell the OS about CPU speed changes that
we can hook into would be wonderful