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Thread: Acer Timeline 3810T

  1. #581
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    Re: Acer Timeline 3810T

    Quote Originally Posted by originalmike View Post
    Hi, I've a 4810TG and I'd like to know your battery consumption. I stay between 12 and 14 W. I activated the laptop mode in "/etc/default/acpi-support" and this is my /etc/rc.local:
    Code:
    #
    # rc.local
    #
    # This script is executed at the end of each multiuser runlevel.
    # Make sure that the script will "exit 0" on success or any other
    # value on error.
    #
    # In order to enable or disable this script just change the execution
    # bits.
    #
    # By default this script does nothing.
    
    /sbin/iwconfig wlan0 power on
    echo 1500 > /proc/sys/vm/dirty_writeback_centisecs 
    hal-disable-polling --device /dev/cdrom
    
    exit 0
    With this configuration on karmic i can achieve 4 hours of battery life. Do you think i could better my configuration? Please tell me if these solutions are corrected or not and if you know other tips.
    Thank you
    Have you the original bios? Updating the bios can make a huge difference.

  2. #582
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    Re: Acer Timeline 3810T

    Do you think I have to install a specific bios or i can choose just the last one? And can you tell me also how to update bios from ubuntu? I have no windows installed on my laptop...

  3. #583
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    Re: Acer Timeline 3810T

    Usually it is best to install the latest BIOS but it is probably best to ask guys with a 4810TG.

    I think the 3810 has a different bios to the 4810.

    It is best to install the bios from DOS or FreeDOS.

    I do this by having SysRescueCD installed onto a flash disk. SysRescueCD is a useful live linux distro for troubleshooting and archiving. One of its options is to boot up FreeDos and you can install the BIOS from there.

    If you search the forum I am sure there will be more detailed instructions of installing a bios from FreeDOS if you need them.

  4. #584
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    Re: Acer Timeline 3810T

    Thank you so much for your help. Just another thing: with 12-14 W I'm around the average?

  5. #585
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    Re: Acer Timeline 3810T

    Quote Originally Posted by originalmike View Post
    Thank you so much for your help. Just another thing: with 12-14 W I'm around the average?
    I'm at 10-15W (3810T) depends on what I'm doing, can crank it up too 20W.
    Last edited by miegiel; December 16th, 2009 at 12:28 AM.

  6. #586
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    Re: Acer Timeline 3810T

    Does anybody know how much resource the acer crystaleye (Suyin) webcam is using? I never use it. Is it possible to disable it? What modules can I turn off? I've searched the web and can't find any information.

    Now that I've ensured all the other stuff isn't eating up the battery, Powertop is saying the webcam causes many of the wakeups and the top offenders do seem to be a USB device (I have no external device plugged in - so it much be an internal usb device).

    I don't know if disabling it would save much but I would be interested to know, none the less.

    Thanks for any help.

  7. #587
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    Re: Acer Timeline 3810T

    Quote Originally Posted by originalmike View Post
    Thank you so much for your help. Just another thing: with 12-14 W I'm around the average?
    I have the same configuration, and in idle mode my power consumption below 10W. WIFI on, BT off, backlight minimal, etc.
    If I am just use browser (adblock, other ad removers active! flash ads eat too much), the estimated battery life around ~6.5hours.
    One of the biggest improvement was to enable the power save for wifi. I got more than 1 hour extra time.
    I use my ATI card in powersave mode always, and the compiz active. Nice.
    One more thing. I use the BIOS 1.20.
    Actually I have no problem, a no reason to update. Unfortunately I have not seen any brief/detailed change log for BIOS.
    Last edited by csipuka; December 16th, 2009 at 10:43 PM.

  8. #588
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    Re: Acer Timeline 3810T

    Which laptop have you? 4810 or 3810? And can you explain me how to check if powersave for wifi is enabled? thank you

  9. #589
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    Re: Acer Timeline 3810T

    Quote Originally Posted by originalmike View Post
    Which laptop have you? 4810 or 3810? And can you explain me how to check if powersave for wifi is enabled? thank you
    4810. I am not sure about the last 2 letters (TG?), but I have an ATI4330.
    If I remember well you have to use iwconfig, and on the result you can see the powersaving status.
    More info:
    https://help.ubuntu.com/community/AspireTimeline/Using

  10. #590
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    Re: Acer Timeline 3810T

    Thank you. So do you think the 1.20 BIOS is better than the last one?

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