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dolphinaura
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Joined: 13 Jul 2010
Posts: 145

PostPosted: Sat Jan 21, 2012 5:14 am    Post subject: Wifi extremely low bitrate Reply with quote

My older studio 1737 recently overheated, so I got one of those cheap ~$500 Acer laptops. Its the Acer 5750.

It uses a Intel Centrino Advanced-N card.

Ive gotten it to work by iwlwifi-6000g2a-5.ucode from the intelwireless site, and sticking it into the kernel.

However, the bit rates are horrible. Their at 1mib/s.

Ive heard that this might be the problem of hardware encryption (i.e. AES/TKIP). How can I disable hardware encryption?
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Gusar
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Joined: 09 Apr 2005
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Location: Slovenia

PostPosted: Sat Jan 21, 2012 12:09 pm    Post subject: Re: Wifi extremely low bitrate Reply with quote

dolphinaura wrote:
How can I disable hardware encryption?

Using a module parameter. Check out "modinfo iwlwifi" (or "modinfo iwlagn" on older kernels), then set up /etc/conf.d/modules appropriately (or using the standard /etc/modprobe.d/modprobe.conf will probably work too).
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dolphinaura
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Joined: 13 Jul 2010
Posts: 145

PostPosted: Sat Jan 21, 2012 5:57 pm    Post subject: Re: Wifi extremely low bitrate Reply with quote

Gusar wrote:
dolphinaura wrote:
How can I disable hardware encryption?

Using a module parameter. Check out "modinfo iwlwifi" (or "modinfo iwlagn" on older kernels), then set up /etc/conf.d/modules appropriately (or using the standard /etc/modprobe.d/modprobe.conf will probably work too).


ah.
I see.
Working at full bitrate now :).

Thanks!
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chithanh
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Joined: 05 Aug 2006
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Location: Berlin, Germany

PostPosted: Sun Jan 22, 2012 3:54 am    Post subject: Reply with quote

One other possible cause can be missing wireless regulatory support. wpa_supplicant will try to automatically set it, as long as crda is installed.

If the regulatory domain is not set, most drivers/chipsets will default to world mode with only passive scanning and low transmit power.
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