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How to overclock the Nokia N900?

26 March 2011Entry by

Hi guys, today I’m gonna show you how to overclock your N900 to make it faster to run more applications at once without much lag. Overclocking is the process where you run your processor at a higher clock speed than the default set by the manufacturers.

Before getting started, you should have these two packages installed onto your phone

Kernel-power-flasher and Enhanced Linux kernel for power users (settings)

To install the above packages, go to X-Terminal and type the following

  • sudo gainroot
  • apt-get install  – -reinstall -y kernel-power kernel-power-flasher

After installing these 2 packages, restart your phone and go to X-Terminal and type this in sequence

  1. sudo gainroot
  2. uname -r

You should be prompted with a message such as this ” 2.6.28.10power46″

This means that you’re on the right track to overclocking your phone

Next type ” kernel-config show” and you will be prompted with something like this

So for example if you want to try the lv profile  (lower voltage than default) and also min and max frequency of 250 and 850, you type the following
  • kernel-config load lv
  • kernel-config limits 250 850

This configuration is reset to default factory settings if not saved upon reboot

If you do want to set an overclock profile to auto-load upon boot up, use the following command:

  • kernel-config load lv
  • kernel-config limits 250 850
  • kernel-config save myprofile
  • kernel-config default myprofile

Then you have just successfully overclocked your N900.

Important things to take note:

There are several profile name you can’t save as, so that you don’t replace any of the provided set of configurations given by kernel-config

These profiles are lv, ulv , xlv and ideal

And for the available frequencies available for use is listed down under “supported frequencies” when you type kernel-config show. Frequency above 1000Mhz is considered unstable.

For voltage comparison DEFAULT > LV > ULV >XLV >IDEAL

After all this I’m sure you guys can play around with different clock speed after overclocking your N900 using kernel-config. This also releases the full potential of the ARM A8 in your device

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