Fan/Power controls

[Alexander Bakst]

Sure - Andreas, I'd be willing to help in some capacity - though I'm 
more or unless unfamiliar with the power970...and the freebsd kernel, 
for that matter.

--Alexander

On 2/27/10 5:07 PM, Nathan Whitehorn wrote:
> Andreas Tobler wrote:
>> On 27.02.10 22:28, Alexander Bakst wrote:
>>> (Switched my non-work e-mail)
>>>
>>> Well, I actually am using a fancy apple G5 - I belive it is a power
>>> 970fx, not sure though. I'm not even sure how to check the current 
>>> clock
>>> frequency of my cpu. To be honest, it would be fantastic if it weren't
>>> running at the highest speed, since I would like to save power. I don't
>>> know if the kernel will tell the cpu to snooze/nap.
>>
>> Hm, it is a 970FX @ 2000.36 MHz.
>> I'm confused that there is no smu?
>> Maybe this one lacks the smu. According to the docs I have, the 7,3 
>> behaves similar to the 7,2. And the 7,2/3 do not have an smu. The cpu 
>> speed is controlled via freq and volt. And some nasty gpio interrupts 
>> @ Nathan :) This bites me currently!
>>
>> Can you boot this machine into OS-X and see what it tells you about 
>> the CPU speed?
>>
>> Hopefully I'm wrong :) 
> The CPU speed is only low if you break into OF at boot. If you just 
> let it autoboot on PowerMac 7,2 and 7,3 (and RackMac 3,1), it has the 
> correct value. Unfortunately, Andreas is right that your machine is 
> SMU-free, and so there is no fan control at the moment. I believe he 
> is working on fixing that, and, if you are feeling ambitious, you 
> could try working together. It should be fairly straightforward, and 
> your other options, unfortunately, are waiting or falling back to Debian.
> -Nathan