Adding PMU support for Apple PPC-based computers

Peter Grehan grehan at freebsd.org
Thu Nov 1 00:15:52 PDT 2007


Hi Bruce,

> I recently installed FreeBSD 7.0-BETA1 on my 1GHz G4 iBook.  I got it
> installed without too many problems, but noticed that it's only running
> at 356MHz - from reading previous posts I gather it's because FreeBSD
> doesn't support the PMU, which needs programmed to take the CPU up to its
> full speed.  Is anyone already working on this, or is it something I
> could take a look at to see what would need done to support it?

  I'm not, I doubt anyone else is. It's more complicated than just the 
PMU: see

   http://mail-index.netbsd.org/port-macppc/2002/08/05/0002.html

later,

Peter.


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