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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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cheve is offline cheve
2010-06-01 , 02:27
Posts: 362 | Thanked: 143 times | Joined on Mar 2008
#4301
Originally Posted by maxximuscool View Post
Which kernal has the lowest risk of reducing the life span of the CPU and less chance of frying the CPU and stable?

I am looking for minimum at 125Mhz, maximum 800Mhz.
Any suggestion?
the latest Titan kernel with ideal profile
 
wickedgtr1 is offline wickedgtr1
2010-06-01 , 02:35
Posts: 17 | Thanked: 3 times | Joined on Feb 2010
#4302
Titan -

I love the kernel, v37 but i think i found a bug.

i am currently going through and locking the cpu through each frequency and lowering the voltage as far as I can and remain stable.

but it seems at 600mhz no voltage control has any real world affect on real voltage.

for example while running nbench and using the batt module no number (at least below 40) makes any difference in current draw.

drawing about 1900mah @ 600mhz (with voltage set at 1)
and drawing 1200mah @ 500mhz (with voltage set at 28)

let me know if this is already known or a work around exists.

thanks,
alan
 
geneven is offline geneven
2010-06-01 , 02:36
Posts: 5,795 | Thanked: 3,151 times | Joined on Feb 2007 @ Agoura Hills Calif
#4303
Originally Posted by maykon-de-angra View Post
Hello friends!

I used the kernel IDEAL, the one with the minimum of 500mhz

more it is no longer available for download.

I have it here at my computer, How to Insert Faso him in N900?

What folder should I put to install the kernel IDEAL With X-terminal?


Tanks
Ideal is not a kernel. It is a set of recommended numbers.

You should probably download the most recent kernel and tell it to use the Ideal settings. It explains how to do that in

http://wiki.maemo.org/Overclocking
 

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titan is offline titan
2010-06-01 , 06:39
Posts: 946 | Thanked: 1,650 times | Joined on Oct 2009 @ Germany
#4304
thanks, but this seems to be a bug in kernel-config,
which tries to set an alternative frequency before changing the voltage
settings of the target freq (changing the voltage of the current freq would be ignored).
just run "kernel-config unlock" before you lock again.

Originally Posted by wickedgtr1 View Post
Titan -
I love the kernel, v37 but i think i found a bug.
i am currently going through and locking the cpu through each frequency and lowering the voltage as far as I can and remain stable.

but it seems at 600mhz no voltage control has any real world affect on real voltage.

for example while running nbench and using the batt module no number (at least below 40) makes any difference in current draw.

drawing about 1900mah @ 600mhz (with voltage set at 1)
and drawing 1200mah @ 500mhz (with voltage set at 28)

let me know if this is already known or a work around exists.
 
Matan is offline Matan
2010-06-01 , 08:34
Posts: 1,224 | Thanked: 1,763 times | Joined on Jul 2007
#4305
Originally Posted by Tigerite View Post
Is there any way to use avoid_frequencies with the conservative governor? I have modified the kernel-config script to handle sampling_down_factor, freq_step and down_threshold but have so far hit a brick wall when it comes to leaving out 250 and 950Mhz. I think the file is created within the kernel itself when running ondemand governor as even as root in xterm, it doesn't work if I try within the conservative cpufreq directory.
It is possible. You need to repeat the work I did for the ondemand governor for the conservative governors.

The patch is here:

https://garage.maemo.org/plugins/ggi...and-avoid.diff

A better way is to have the OMAP frequency driver only allow desired frequencies, since this will affect all governors. The problem is that I do not see how the driver can report to the cpufreq system that the list of frequencies changed.
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"N900 community support for the MeeGo-Harmattan" Is the new "Mer is Fremantle for N810".

No more Nokia devices for me.
 

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Astute is offline Astute
2010-06-01 , 16:11
Posts: 140 | Thanked: 38 times | Joined on Mar 2010 @ Earth
#4306
I overclocked with Titans Kernel after some reading here. Set it to the 'ideal' setting (500mhz min/850mhz max) but with my own min/max 250/750 limits set.

After that i fully charged her up then went out for a 5 hour stomp in the hills, headphones plugged in throughout plus some pic taking. Twleve hours later and after some evening wifi surfing, emailing, 3 quick phone calls, xterm & conky its only just gone down to 50% battery. Rather chuffed indeed and certainly no hiccups or obvious temp increase just snappier performance and to me thats clearly an improvement on battery life over the default kernel. If stability continues i might jump to 850mhz or 900mhz and stick there if all is ok (which i suspect it will).

One thing i have noticed from 'kernel_config show' in xterm the min 250mhz (alongside 125mhz) is an 'avoid frequency'. After a further checks via Conky its apparent the device doesnt drop below 500mhz, apart from screen lock or idle no doubt

I'm curious if it could be improved further if 250 was to be removed from avoid ?? OR would the 500mhz diff between Max & Min mean the greater range of mhz fluctuation would increase battery drain or maybe make the UI laggy from saver mode as 125 can ??


Any advice ??
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N900 - Use, Master, Appreciate.
 
nithin is offline nithin
2010-06-01 , 19:47
Posts: 68 | Thanked: 9 times | Joined on Mar 2010 @ Bangalore, India
#4307
A silly question, If i flash the kernal to overclock the n900, will i loose all the data and have to install all the apps again?
 
haj is offline haj
2010-06-01 , 19:52
Posts: 67 | Thanked: 15 times | Joined on Apr 2010
#4308
Just a warning... If you'd like to hang around the #maemo irc-channel you can get kicked for saying overclocking is okay... Seems the oppers in that IRC-channel thinks the /kick argument is the way to have nice discussions..

edit; and by the way, after having run 900MHz on my N900 since I got it a month ago I just upped the max speed to 1000MHz... runs fine for me, and I'll bet OC'ing will not be what kills this thing..
 

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NokiaRocks is offline NokiaRocks
2010-06-01 , 19:53
Posts: 658 | Thanked: 117 times | Joined on Jan 2010
#4309
Originally Posted by nithin View Post
A silly question, If i flash the kernal to overclock the n900, will i loose all the data and have to install all the apps again?
No, none of your data will be lost.
 

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villo
2010-06-01 , 19:53
Guest | Posts: n/a | Thanked: 0 times | Joined on
#4310
Originally Posted by nithin View Post
A silly question, If i flash the kernal to overclock the n900, will i loose all the data and have to install all the apps again?
No, as long as you use "-k" in the command for flashing.
 

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