Messages in this thread | | | Date | Sun, 28 Jun 1998 20:02:15 +0000 (/usr/local/etc/localtime) | From | Rik van Riel <> | Subject | Re: Rain & Waterfall |
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On Sun, 28 Jun 1998 linker@nightshade.ml.org wrote:
> Non-smp linux has done this for a very long time. It works.
In fact, Linux supported this feature before processors supporting the feature were in widespread use. There's a test made during the Linux bootup process, and hlt() is called only when supported by the machine.
> On Sun, 28 Jun 1998, Jordan Mendelson wrote: > > > I was browsing some web pages on CPU cooling and I found a reference to two > > programs called rain and waterfall. They claim to lower your CPU's temp by > > up to 30 C and in some cases, extend the power on a laptops battery by up to > > 30 minutes. > > > > The FAQ says they do this by sending the HLT command to idle parts of the > > CPU, thereby putting them into suspend mode causing them to stop generating > > heat. > > > > Has anyone thought of implementing such a thing in the linux kernel? Their > > webpage is: > > > > http://cpu.simplenet.com/leading_wintech/ > > > > > > Jordan > > > > -- > > Jordan Mendelson : http://jordy.wserv.com > > Web Services, Inc. : http://www.wserv.com > > > > > > > > - > > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > > the body of a message to majordomo@vger.rutgers.edu > > > > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.rutgers.edu >
Rik. +-------------------------------------------------------------------+ | Linux memory management tour guide. H.H.vanRiel@phys.uu.nl | | Scouting Vries cubscout leader. http://www.phys.uu.nl/~riel/ | +-------------------------------------------------------------------+
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