[ltp] Latest BIOS update on T41 running my fan faster

Alex Deucher linux-thinkpad@linux-thinkpad.org
Fri, 23 Jul 2004 08:53:56 -0400


On Fri, 23 Jul 2004 11:41:20 +0200, Peter Fr=FChberger
<peter.fruehberger@t-online.de> wrote:
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>=20
> obi wrote:
> >>hmmm... does it seem to increase battery life any?  does turning off
> >>the option restore performance?
> >
> >
> > So the patch defenitely affects the fan action: I tested with DynamicPM
> > off off and the fan came on almost immedietely. Turning it on and
> > starting this email and the fan went off!! Thanks Alex :)
> >
> > So the testing thus far (once again only using xengine and glxgears)
> > gives me
> >       DynamiPM on
> >               best xengine 4398
> >               best glxgears 1029
> >       DynamicPM off
> >               best xengine 7960
> >               best glxgears 1069
> >
> > so yes, turning it off restore the full performance, while DRI doesn't
> > seem to be affected by it.
> >
> > graziano
> >
> >
> >
> >>>From a seat of the pants experience it seems that the fan is more acti=
ve
> >>>with your patches then with the ATI driver. It comes up earlier and
> >>>stays up for longer.
> >>
> >>to be honest I have no idea if the patch will affect the fan or not, I
> >>just assumed it might since theoretically the gfx chip is using less
> >>power.  Ati's driver does more stuff in HW, so it probably uses the
> >>CPU less than the DRI driver.  hence your experience.
> >>
> >>Thanks,
> >>
> >>Alex
> >>
> >>
> >>>I'll post the radeon and ati modules somewhere next week.
> >>>
> >>>thanks
> >>>graziano
> >>>
> >>>
> >>>
> >>>
> >>>
> >>>>Thanks,
> >>>>
> >>>>Alex
> >>>>
> >>>>
> >>>>>graziano
> >>>>>
> >>>>>
> >>>>>>>--
> >>>>>>>
> >>>>>>>thanks,
> >>>>>>>  flo
> >>>>>>>
> >>>>>>>
> >>>>>>
> >>>>>
> >>>>>--
> >>>>>+-----------------------+--------------------------+
> >>>>>| Graziano Obertelli    | CS Dept. Rm 102          |
> >>>>>| graziano@cs.ucsb.edu  | University of California |
> >>>>>| (805) 893-5212        | Santa Barbara, CA 93106  |
> >>>>>+-----------------------+--------------------------+
> >>>>>
> >>>>>
> >>>>
> >>>
> >>>--
> >>>+-----------------------+--------------------------+
> >>>| Graziano Obertelli    | CS Dept. Rm 102          |
> >>>| graziano@cs.ucsb.edu  | University of California |
> >>>| (805) 893-5212        | Santa Barbara, CA 93106  |
> >>>+-----------------------+--------------------------+
> >>>--
> >>
> >
> >
>=20
> I made some tests with my selfbuild modules for debian sources
> 4.3.0.dfsg.1-6, too, here the results:
> There is no difference for my Radeon Mobility 7500
> enabled:
> (**) RADEON(0): Option "DynamicPM" "true"
> (II) RADEON(0): Dynamic Power Management Enabled
> glxgears 1193.000 FPS (16 bit)
> xengine  3019.8 FPS (16 bit)
> glxgears 703.000 FPS (32 bit)
> xengine 1545.1 FPS (32 bit)
>=20
> or
> disabled:
> (WW) RADEON(0): Option "DynamicPM" is not used
> glxgears 1188.400 FPS
> xengine 3019.8 FP
> glxgears 721.800 FPS (32 bit)
> xengine 1545.1 FPS (32 bit)
>=20
> over the weekend I do some accu testing


Thanks for testing guys!  If I have some time this weekend, I'll try
and get this committed to xorg.

Alex

>=20
> - --
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> 21:19:12 [D---] Annie:
> Frauen gibts viele, glaub ich.
> (Stephanie W.)
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