Mailinglist Archive: opensuse-ppc (44 mails)

[Olaf Hering <olh@xxxxxxx>]

 On Mon, Jun 12, Nathan Moore wrote:

> I'm running opensuse 10.1 on a small cluster of G4's.  The cluster is  
> used only for computation, so I've removed monitors, keyboards etc  
> and have the machines sitting on a shelf.  Are there additional  
> powersaving measures I can enable?  Will linux put the machines into  
> a "sleep" mode in a way similar to OSX if there are no cpu-intensive  
> processes running?  (I notice that the cooling fans never seem to  
> spin down and am guessing that everything is running full-bore).

Are you saying the newer G4 desktops have similar cooling like G5?
Maybe the kernel driver just doesnt recognize that the system has calmed
down. Its better if you ask this kind of question on
linuxppc-dev@xxxxxxxxxx


> Would pulling the graphics cards, disconnecting zip, cdrom drives etc  
> reduce the electrical load substantially?

It is possible that the graphics cards run at full speed due to lack of
info how to throttle them, but I do not know for sure. The IDE drives
can be shut down via hdparm -S 255 /dev/hda after the specified amount
of time.