[ltp] T420s Power saving tips
Dan M.
linux-thinkpad@linux-thinkpad.org
Tue, 03 Apr 2012 23:25:05 -0400
------54TBUSPBTOS541SNBBUTC9XVRDBK70
Content-Type: text/plain;
charset=UTF-8
Content-Transfer-Encoding: 8bit
I'll try to update this thread with what i have done soon. It's been resolved and runs like a champ.
Thanks for the help and sorry about the top post.
--
Sent from my Android phone with GMX Mail. Please excuse my brevity.
Tino Keitel <tino.keitel@tikei.de> wrote:
On Mon, Apr 02, 2012 at 14:14:59 -0400, Dan Maranville wrote:
> All, Having just recently upgraded to a T420s(Intel GMA & SSD/SATAII/) I'm in need of some power saving tips. My battery is chewed up quite fast under PUIAS 6.2 (RHEL) I've done some normal adjustments like screen brightness, idle timers etc. but the real need is when I am _using_ the machine. I'm lucky to squeak out 2.5 hours out of this bad boy, when in a Win world I can get 4 with ease. So there are some tweaks I feel I am missing.
>
> I did just add this to my kernel line and I am hoping it provides
> some measure of relief: "i915.i915_enable_rc6=1 i915.semaphores=1
> i915.i915_enable_fbc=1 i915.lvds_downclock=1 pcie_aspm=force"
What kernel are you running?
Regards,
Tino
--
The linux-thinkpad mailing list home page is at:
http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad
------54TBUSPBTOS541SNBBUTC9XVRDBK70
Content-Type: text/html;
charset=utf-8
Content-Transfer-Encoding: 8bit
<html><head></head><body>I'll try to update this thread with what i have done soon. It's been resolved and runs like a champ. <br>
<br>
Thanks for the help and sorry about the top post. <br>
-- <br>
Sent from my Android phone with GMX Mail. Please excuse my brevity.<br><br><div class="gmail_quote">Tino Keitel <tino.keitel@tikei.de> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre style="white-space: pre-wrap; word-wrap:break-word; font-family: sans-serif">On Mon, Apr 02, 2012 at 14:14:59 -0400, Dan Maranville wrote:<br />> All, Having just recently upgraded to a T420s(Intel GMA & SSD/SATAII/) I'm in need of some power saving tips. My battery is chewed up quite fast under PUIAS 6.2 (RHEL) I've done some normal adjustments like screen brightness, idle timers etc. but the real need is when I am _using_ the machine. I'm lucky to squeak out 2.5 hours out of this bad boy, when in a Win world I can get 4 with ease. So there are some tweaks I feel I am missing.<br />> <br />> I did just add this to my kernel line and I am hoping it provides<br />> some measure of relief: "i915.i915_enable_rc6=1 i915.semaphores=1<br />> i915.i915_enable_fbc=1 i915.lvds_downclock=1 pcie_aspm=force"<br /><br />What kernel are you running?<br /><br />Regards,<br />Tino<br />-- <br />The linux-thinkpad mailing list home page is at:<br /><a
href="http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad">http://mailman.linux-thinkpad.org/mailman/listinfo/linux-thinkpad</a><br /></pre></blockquote></div></body></html>
------54TBUSPBTOS541SNBBUTC9XVRDBK70--