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Poll: Do you think its possible to overclock the N900?!
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Do you think its possible to overclock the N900?!

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clooak is offline clooak
2010-04-06 , 17:37
Posts: 21 | Thanked: 0 times | Joined on Nov 2009
#1351
Originally Posted by Blinde View Post
Just use your head and browse this topic. This same thing has been already asked dozens of times.
The thing is that there are numerous of diffrent posts about it..I would like to use one tutorial that several people have tried already. So that i know its working =)
 
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HtheB is offline HtheB
2010-04-06 , 17:37
Moderator | Posts: 3,718 | Thanked: 7,420 times | Joined on Dec 2009 @ Bize Her Yer Trabzon
#1352
Any help how to put the About info back?

Oh yeah, and secondly, I installed this:
http://maemo.org/packages/package_in....6.28-maemo19/

and went to xterm to edit the mhz to 1Ghz, so I did the following:
Code:
sudo gainroot
echo 1000000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
then I rebooted my device.

But It's still on 600mhz......

What did I do wrong? O_o

I hope anyone could help me with the 2 questions
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egoshin is offline egoshin
2010-04-06 , 17:39
Posts: 992 | Thanked: 995 times | Joined on Dec 2009 @ California
#1353
Originally Posted by UNderworld View Post
hi could anyone using the 900/500dsp check the different frequencies pls?? i seem to be running at either 125,500 annd 900 only...

in idle, it does 125 and jumps to 900 for a second then back to 125...

only conky running...

edit.. the phone heard me... i saw a hint of 250
Can you show an output of

cat /sys/devices/system/cpu/cpu0/cpufreq/stats/time_in_state

while kernel has 125MHz capability?
 

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egoshin is offline egoshin
2010-04-06 , 17:42
Posts: 992 | Thanked: 995 times | Joined on Dec 2009 @ California
#1354
Originally Posted by HtheB View Post
Any help how to put the About info back?

Oh yeah, and secondly, I installed this:
http://maemo.org/packages/package_in....6.28-maemo19/

and went to xterm to edit the mhz to 1Ghz, so I did the following:
Code:
sudo gainroot
echo 1000000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
then I rebooted my device.

But It's still on 600mhz......

What did I do wrong? O_o
- Rebooted N900. Any setup under /sys/... is temporary until next reboot. But it takes effect immediately.

Advice - read back this file and check that it was set.

(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq)
 

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miwalter is offline miwalter
2010-04-06 , 17:47
Posts: 36 | Thanked: 8 times | Joined on Apr 2010
#1355
Originally Posted by HtheB View Post
What did I do wrong? O_o
Simple. You stopped reading to soon.

People are doing potential harmfull things to their mobiles and are not even going to invest 10 minutes of their time to answer themselves obvious questions already answered MANY MANY TIMES BEFORE. Damn.

To be sort of on topic:
The changes are temporary you do via "echo". "Echo blabla >" only write a value to some device. In this case the device is a parameter to some kernel-function. When the kernel starts these parameters have some default, which has to be overriden every start. "pmconfig" does exactly this - it is a more simple way of echoing different values to different parameters.
 

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Gadgetoid is offline Gadgetoid
2010-04-06 , 17:48
Posts: 46 | Thanked: 8 times | Joined on Aug 2009
#1356
I have Kernel-Flasher-Maemo 2.6.28-Maemo19 installed, yet my uname -a reads:

Linux Nokia-N900-42-11 2.6.28.10maemo-omap1 #1 PREEMPT Tue Apr 6 13:21:33 EEST 2010 armv7l unknown

I'm not too bothered as overclocking is working fine and it should be easy enough to update my phone one way or another. It's just odd.
 
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HtheB is offline HtheB
2010-04-06 , 17:49
Moderator | Posts: 3,718 | Thanked: 7,420 times | Joined on Dec 2009 @ Bize Her Yer Trabzon
#1357
Originally Posted by egoshin View Post
- Rebooted N900. Any setup under /sys/... is temporary until next reboot. But it takes effect immediately.

Advice - read back this file and check that it was set.

(cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq)
I feel very dumb... didn't read it carefully.

How can I set this to permanent then?
So that it will be 1Ghz everytime I boot my device
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Last edited by HtheB; 2010-04-06 at 17:56.
 
clooak is offline clooak
2010-04-06 , 17:52
Posts: 21 | Thanked: 0 times | Joined on Nov 2009
#1358
What if i am not satisfied with it, How do i fall back to factory defaults? Any ways to backup the whole phone incase if i want to fall back?
 
_privateMember is offline _privateMember
2010-04-06 , 17:55
Posts: 13 | Thanked: 10 times | Joined on Apr 2010 @ Stockholm
#1359
Originally Posted by miwalter View Post
Simple. You stopped reading to soon.
People are doing potential harmfull things to their mobiles and are not even going to invest 10 minutes..
Thats a valid point. I agree.


*** To permanent change max cpu freq ***
Update the file /etc/pmconfig
scaling_max_freq 600000
to
scaling_max_freq 900000
or whatever mhz you prefer or dare to try.
Information in this file is the source and sets the
/sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
when booting the device (same off course for the min_freq).
 

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telnet is offline telnet
2010-04-06 , 17:58
Posts: 48 | Thanked: 46 times | Joined on Jan 2010 @ United Kingdon
#1360
Originally Posted by cashclientel View Post
What's the opinion on using the overclock firmware just to lower resting from 250mhz to 125mhz and not actually up it over 600?

will this give me much of a battery boost?

bit thanks out to jakiman and his summary post
It should improve your 'idle' standby times as long as you dont have too much stuff running in the background. Keep an eye on what you install and it could make a difference, maybe even a big one but this will differ from person to person depending on what they use the phone for and wots installed.

If you dont have much running when the phone is idle or no background apps run constantly then you should benefit and have spare power for when its needed.

when the phone is active, the big drains are 3g data wireless and screen but it would be nice to tune the device to idle along nice and slow saving mAh's for when you require it

When using the device though screen
 

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