x301 team mailing list archive

[Robbie Williamson <robbie.williamson@xxxxxxxxxxxxx>]

On 01/26/2009 04:21 AM, Ferdinand Haselbacher wrote:
> Aaron Roydhouse wrote:
>> For my X301 Type 2776 running Ubuntu 8.10, typically 11-12W and
>> ranging 10-16W.
>>
>> I haven't done anything to improve consumption, so this is with Wifi,
>> Bluetooth, USB, etc. all enabled. I would like to tweak it down to
>> 8-9W which I think is achievable without inconvenience. One hassle I
>> have is that I run VMWare Server and that is responsive for 75% of all
>> CPU wake-ups according to PowerTop.
>>
>> I saw someone report that they ran their X301 at 4-5W, but it didn't
>> sound very practical to use it at those levels.
>>
>> I think Vista currently has the best consumption out-of-the-box. But
>> I'd carry a battery the size of a ball and chain rather than go there :-)
>>
>> Aaron.
>>
>>
>> Ferdinand Haselbacher wrote:
>>> Hello list,
>>>
>>> i have a x301 for quite some time, and i just wanted to ask round the
>>> list how much power drain your x301 has.
>>>
>>> mine is about 9W
>>>
>>> X301 - 2774-LEG
>>>
>>> so far,
>>> Ferdinand
>>>   
> You could try to disable some things:
> 
> Option "NoDRI" # breaks suspend
> 
> install sysfsutils
> /etc/sysctl.conf
I think this should be /etc/sysfs.conf

> block/sda/queue/scheduler = noop
> devices/platform/thinkpad_acpi/bluetooth_enable = 0
> devices/platform/thinkpad_acpi/wwan_enable = 0
> 
> 
> this saves a lot of power, bluetooth at least WWAN, is disabled anyway
> by default.
> 
> what about your fan?
> 
> 
> mfg,
> Ferdinand
> 
> 
> 
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-- 
Robbie Williamson                     		    robbie@xxxxxxxxxx
Ubuntu Foundations Team Manager             robbiew[irc.freenode.net]
http://wiki.ubuntu.com/FoundationsTeam

"You can't be lucky all the time, but you can be smart everyday"
 -Mos Def

"Arrogance is thinking you are better than everyone else, while
Confidence is knowing no one else is better than you." -Me ;)