How To: ubuntu natty (11.04) on asus a53s (k53sv family)

**silentbang** · August 4th, 2011

Originally Posted by qmater001

I may have found at least part of the issue i was having (lagging and freezing that is )
skype seems to be the culprit, and it seems a lot of people are having this issue..
https://jira.skype.com/browse/SCL-731

do you?

yea.it sometimes gets lag when I login Skype while playing music in Banshee

**slavinzing56** · August 5th, 2011

nice.... looking forward to it.

**_byron_** · August 5th, 2011

Hi folks !!

I find a workaround for the card reader !
follow the link :
http://ubuntuforums.org/showpost.php...09&postcount=7

**Mr.BS** · August 6th, 2011

Thanks _byron_!

Another problem solved.

Nobody problems with the switching of the brightness of the screen?
Most of the times i use the lowest brightness but when using the power button or start Frozen Bubble the brightness level switches to the default value.
Would be nice if brightness was always the same.

**slavinzing56** · August 8th, 2011

thx for the reply cucisan, but. i dont get any constant lags. On 10.10, i used to boot, and once i was logged in, i just clicked on my "usual apps" (firefox, skype, pidgin, chrome, and libre office), well if i do the same on 11.04, thinks are getting stuck/laggy, to the point where there`s nothing but lag lag lag and the apps will not load (or crash), for minutes, and then i have to restart. if i just open the appes one by one, giving them some time to load until i start the other, then everything works smooth.
i have another hdd so i`ll try to use that one to see if it makes any difference.
and in regars to grub? any ideea how can i set 2.6.38.10 as default to be loaded instead of 2.6.39 ?

**cucisan** · August 11th, 2011

the asus K53SV and also my A53SV has the "intel sandybridge throttling" problem, you find infos about that on google...(many new laptops have that)

there is a routine in the BIOS from Asus, which throttles the cpu down to ~650mhz on heavy load, this has been covered in some of the reviews i have read about the asus.

but normally this only applies when the GT540 and CPU are under load...
which makes playing heavy duty games impossible (like BFBC2)

for windows there is "throttlestop", which helps much but does not disable it completely. for linux there are those "msr-tools" which bring a kernel module that disables throttling ... you can find the howto easily on google on how to use it (asus g53 forum and also some blog posts)

Originally Posted by Mdelem

Hi guys,

Just bought an Asus X53SV-SX200V (K53SV model), I'm experiencing the freezes too.

I'm a Fedora 15 refugee where freezes happen too. I switched to ubuntu because this forum seemed active and helped me work out the touchpad, hotkeys and optimus stuff. Thanks everybody

On ubuntu, I've updated to the 3.0.0-7-generic kernel following these instructions : http://marcin.juszkiewicz.com.pl/201...u-natty-11-04/

I've also formatted to align my hard drive partitions with the physical sectors of the disk.

After that, I still get the freezes.
They seem to be related to high hard disk and CPU load. I can reproduce by using the GWT compiler which uses up to 8 threads and a few gigabytes of ram (around 512m per thread).

I've made experiments by changing the number of threads used by the compilation process.

1 thread => OK
2 threads => small/medium lags
4 threads => heavy lag, cannot move the mouse during minutes
8 threads => so much hard drive activity (swap?) that I never managed to reach the end of the compilation. Mouse does not work nor Ctrl+Alt+Del. Had to hard reboot.

Compilation using 8 threads is successful on an older computer with a non Sandy Bridge Intel i5 architecture.

Anybody experiencing freezes under heavy multicore load ?

**cucisan** · August 11th, 2011

Originally Posted by _byron_

Hi folks !!

I find a workaround for the card reader !
follow the link :
http://ubuntuforums.org/showpost.php...09&postcount=7

thanks! i updated the first post

**joebarker182** · August 13th, 2011

hello guys i have asus k43, and the azurewave bluetooth combo card NB037 is always disabled, how to enabled it ?

**Philip Piper** · August 16th, 2011

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**_byron_** · August 18th, 2011

bluetooth working on K53SJ

1. download the driver:
https://bugs.launchpad.net/ubuntu/+s...ryu2.3_all.deb

2. install the driver:
sudo dpkg -i ar3011-dkms_1.1ryu2.3_all.deb

3. Check the installation:
run "dkms status" to see if there are the following info:
ar3011, 1.1ryu2.3, 2.6.38-11-generic-pae, i686: installed (or similar)
After a reboot, the bluetooth icon should appear and indicate that bluetooth is working.

source : http://ubuntuforums.org/showthread.php?t=1791400