powerbook g3 internal fan + YDL 3.0.1 ?

[Norberto Quintanar]

A link to more than you'll ever want to know about fan control on a
Macintosh laptop
http://lists.debian.org/debian-powerpc/2000/debian-powerpc-200005/msg00226.html

--- Greg Hamilton <gregh@object-craft.com.au> wrote:
> I've never heard the fan turn on in my iBook either. Temp hovers
> around 
> low 20s and creeps up to 40ish if it's busy for a long time (eg.
> kernel 
> compilation).
> 
> If they let me design laptops I'd probably put the fan under
> hardware 
> control but I gather Macs do it from software, so there must be 
> something compiled into the kernel, a kernel module or a daemon
> that 
> monitors temperature and  turns the fan on when required. Does
> anybody 
> know how this works? Is it possible to toggle the fan on/off
> manually 
> to verify it's working. What temp should it turn on?
> 
> Enquiring minds want to know Charles.
> 
> On 29/01/2004, at 1:11 PM, James Mandy wrote:
> 
> > Hi,
> >
> > Im running a lombard G3 which I've recently installed YDL 3.0.1
> onto...
> >
> > I've noticed the internal fan never seems to come on.
> /proc/cpuinfo 
> > shows an
> > average of 55-57C (uncalibrated)
> >
> > it sometimes shoots upto around 65C when really working the
> CPU...
> >
> > the underside of the machine gets very hot.
> >
> > does YDL have fan control? is this a software or hardware
> controlled
> > internal fan? perhaps I need to replace the fan. hrmmm.
> >
> > I never noticed when it had MAC OS on it (got the laptop, used
> the MAC 
> > OS
> > for a day, binned it, installed YDL)
> >
> > If I need to replace the fan, is there any kind of directions on
> what 
> > i need
> > to dismantle to get to it? I can see it under the keyboard
> however it 
> > doesnt
> > look like it's going to come out that way...
> >
> > Many thanks,
> > James
> >
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> >
>
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> >
> 
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