[LiveCD on G5] How to slow down the fans?

slainer68 · n00b Joined: 17 Aug 2003 Posts: 61

Hello,

I'm trying to install a Gentoo system on my PowerMac G5 1,8 single processor.

The latest stable CD didn't work and I used the experimental CD found here :
https://bugs.gentoo.org/show_bug.cgi?id=94263

and it worked. I was able to boot.
But after 30 seconds, the fans go to their max speed. I would like to know how I can slow down the fans because it is very loudy...

Thank you very much.

Tuna · Guru Joined: 19 Jul 2002 Posts: 485 Location: Berlin

if that is a new g5 apple probably changed how the fans work yet _again_. then i guess all you can do is to wait until the kernel gets support for the new machines, or patch a kernel yourself. but i dont know if a patch is already available.

corsair · Posted: Sat Jun 11, 2005 2:59 pm Post subject:

you can try vanilla-sources-2.6.12_rc6 (currently ~ppc64).

slainer68 · n00b Joined: 17 Aug 2003 Posts: 61

this is not a new G5, I have got a Powermac G5 1,8 ghz single processor late 2004 (Rev B)...

the module for this is therm_pm72 am i right? how can I know if is loaded when booting the CD?
i've tried to modprobe it but there does not seem to be in /lib/module...

thanks

nigoro · Retired Dev Joined: 27 Dec 2004 Posts: 12 Location: Japan

therm_pm72 is included in the kernel of the LiveCD.
Please use the dmesg command, in order to investigate whether fan control is functioning.

My Power Mac G5 2.0GHz Dual (Aug 03) is the following results.

nigoro · Retired Dev Joined: 27 Dec 2004 Posts: 12 Location: Japan

I found interesting URL.
Probably, I think that a fan control driver does not function on Single PowerMac G5 yet.

http://www.ussg.iu.edu/hypermail/linux/kernel/0502.1/1594.html

slainer68 · n00b Joined: 17 Aug 2003 Posts: 61

Bad news...