Re: cpu voltage change question

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Thu, 27 Jan 2011, Phillip Susi wrote:
> The voltage is controlled by the platform and should already be set to a
> level appropriate for that frequency.  AFAIK, recent intel cpus have
> MSRs that configure the voltage for each P-state, but these are set up
> by the bios and shouldn't need changed.

"Need", certainly not.

But downvolting and downclocing are very effective ways to get some extra
battery time (or at least used to be, I have no idea if they still are that
useful in the newest processors), so you will find that there is a community
of "downclockers" among laptop enthusiasts, much like the "overclock"
community on the gaming enthusiasts :P

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh
--
To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html


[Index of Archives]     [Linux IBM ACPI]     [Linux Power Management]     [Linux Kernel]     [Linux Laptop]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]

  Powered by Linux