maemo.org - Talk - Overclock the N900?

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.

fidel cashlow

2011-05-25 03:00

Re: Overclock the N900?

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.

ndi	2011-05-25 13:00

Re: Overclock the N900?

You run stock kernel.

fidel cashlow

2011-05-25 15:42

Re: Overclock the N900?

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

Vertikar

2011-05-27 12:37

Re: Overclock the N900?

Quote:

Originally Posted by fidel cashlow (Post 1015204)

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.

ndi	2011-05-27 18:38

Re: Overclock the N900?

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?

Vertikar

2011-05-27 23:42

Re: Overclock the N900?

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

Dark_Angel85

2011-06-02 15:34

Re: Overclock the N900?

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

ndi	2011-06-03 20:15

Re: Overclock the N900?

Quote:

Originally Posted by Dark_Angel85 (Post 1021061)

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 :)

Dhicky

2011-06-11 10:06

Re: Overclock the N900?

Quote:

Originally Posted by Lehto (Post 594200)

Sorry about this but I had to remove my kernel files to make space for other stuff. I hope everybody who used them has the files backed up.

i need 1ghz kernel :( where can i download it??? :(

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