Overclock the N900? - Page 529 - maemo.org

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gabby131	2011-05-05 , 18:50
Posts: 1,729 \| Thanked: 388 times \| Joined on Jan 2010 @ Canada	#5281

Originally Posted by alfmar

Duh, this is weird.

A few weeks ago I was whining here about my brand new N900, which featured unexpected reboots when overclocked above 600 MHz (yes, a couple reboots even at 700 MHz, and yes, reboots even in "ideal" settings... reboots almost always happening when accessing the 32Mb eMMC).

I now found that these commands did not yet show any unexpected reboot (at least in the last 4 days):

kernel-config load lv
kernel-config limits 250 850

Today I was able to backup 3+Gb movies via rsync on wifi at 1.3-1.4 megabytes/sec sustained speed (three times faster than USB networking) without experiencing reboots.

LV gives me the boots you suffer from while ideal is the one that is stable for me......so every device is different.....its a hit-and-miss when you enter into OC'ing the n900.

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N900: 1000/1150mhz; sampling_rate 15; up_threshold 150000;

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fidel cashlow	2011-05-25 , 03:00
Posts: 52 \| Thanked: 14 times \| Joined on Dec 2009	#5282

I'm probably an idiot need help.

I downloaded the settings file from the testing repository.

when i enter sudo /usr/sbin/kernel-config show

I get: this kernel version 2.6.28-omap1 is not supported.

with the reinstall prompt.

I uninstalled it using the directions on the wiki but still get that error.

when i reinstall the flasher it works but on reboot i get the same message.

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	ndi	2011-05-25 , 13:00
	Posts: 2,050 \| Thanked: 1,425 times \| Joined on Dec 2009 @ Bucharest	#5283

You run stock kernel.

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N900 dead and Nokia no longer replaces them. Thanks for all the fish.

Keep the forums clean: use "Thanks" button instead of the thank you post.

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fidel cashlow	2011-05-25 , 15:42
Posts: 52 \| Thanked: 14 times \| Joined on Dec 2009	#5284

I know, I can't seem to get the titan kernel to run no matter what I try.

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Vertikar	2011-05-27 , 12:37
Posts: 12 \| Thanked: 2 times \| Joined on May 2010	#5285

Originally Posted by fidel cashlow

I know, I can't seem to get the titan kernel to run no matter what I try.

I'm having the same issue. Installed from FAM. Rebooted. Ran kernel-config show. It told me it wasn't supported. Ran the re-install command, rebooted same thing.

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	ndi	2011-05-27 , 18:38
	Posts: 2,050 \| Thanked: 1,425 times \| Joined on Dec 2009 @ Bucharest	#5286

Try this:

apt-get install kernel-power*

This should get and install 6 packages. One you don't need but we'll get to that after. If it complains that some are already installed, use --reinstall or use remove and the install again.

My best guess is you managed to get kernel package over but didn't flash it.

Also, reboot after.

ETA:
You may want to copy the output so we can have a look at it?

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N900 dead and Nokia no longer replaces them. Thanks for all the fish.

Keep the forums clean: use "Thanks" button instead of the thank you post.

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Vertikar	2011-05-27 , 23:42
Posts: 12 \| Thanked: 2 times \| Joined on May 2010	#5287

I eventually managed to fix it after removing it all and reinstalling from the CLI.

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	Dark_Angel85	2011-06-02 , 15:34
	Posts: 519 \| Thanked: 123 times \| Joined on Oct 2010 @ Malaysia	#5288

just a question:

1. whenever i configure the kernel profiles, they show the frequencies of i.e. active frequencies: 0:30,90 1000:60,500 whereby 90 and 500 are the frequencies for the 2nd cpu right?

2. can we overclock that one and what are the dos and don'ts or warnings to take note if we plan to do it?

thanks

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[N900]
1000min 1000max @ ulv
PR1.3 with CSSU latest update
Malaysian N900 user!!!

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	ndi	2011-06-03 , 20:15
	Posts: 2,050 \| Thanked: 1,425 times \| Joined on Dec 2009 @ Bucharest	#5289

Originally Posted by Dark_Angel85

just a question:

1. whenever i configure the kernel profiles, they show the frequencies of i.e. active frequencies: 0:30,90 1000:60,500 whereby 90 and 500 are the frequencies for the 2nd cpu right?

2. can we overclock that one and what are the dos and don'ts or warnings to take note if we plan to do it?

thanks

There is no second CPU. N900 is a single core machine. Significance of kernel-config show is in the wiki for kernel power. Namely, DSP.

Please read thoroughly before overclocking.

As for DOs and DON'Ts, here' a few: DON'T pin your CPU to 1000/1000. DO read the wiki cover to cover regarding OC, KP, maybe a general overclocking guide. At 1000 MHz, a billion operations are done by the CPU, hyped up like a hamser on espresso every time you tap the power button to check time.

But then again, it's your device and you are free to fry it as you see fit

__________________
N900 dead and Nokia no longer replaces them. Thanks for all the fish.

Keep the forums clean: use "Thanks" button instead of the thank you post.