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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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fixfox is offline fixfox
2010-04-04 , 12:51
Posts: 151 | Thanked: 82 times | Joined on Sep 2008
#551
Originally Posted by Crogge View Post
So you think 900MHz is better then 930MHz for the battery life?
I'm now 23hrs uptime @ 900mhz ..... I've been using the usb cable to run the transfer tests so some charging has taken place ( a couple of minutes ) since 00:00GMT(last full charge).

I'm at 57% now, having watched smallville (full screen in browser) and run a barrage of other tests.

I cannot see any difference in battery usage.... I might lean towards improved actually.
 

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UNderworld is offline UNderworld
2010-04-04 , 13:00
Posts: 362 | Thanked: 113 times | Joined on Feb 2010
#552
Originally Posted by fmo View Post
Sorry to be bothersome but could someone do some proper data corruption testing? CPU can be stable but data still get corrupted.
I downloaded and installed easy debian... its working perfectly..

there is decompressing etc in the process
 

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kinipyon is offline kinipyon
2010-04-04 , 13:02
Posts: 51 | Thanked: 57 times | Joined on Feb 2010 @ Helsinki
#553
Overclocked mine to 800Mhz. Youtube is much more smoother, not to talk about Media Player... very nice!
 
UNderworld is offline UNderworld
2010-04-04 , 13:05
Posts: 362 | Thanked: 113 times | Joined on Feb 2010
#554
could someone explain the DSP??
is 930mhz 500dsp mean 30mhz more than 900mhz? or is it a different story??

what dsp is the 900mhz and the 800mhz ones at? and whats the difference?
thanks
 
meandu229 is offline meandu229
2010-04-04 , 13:21
Posts: 16 | Thanked: 5 times | Joined on Feb 2010
#555
very rarely post because i never have much to contribute.
1 week ago i was annoyed at how laggy everything was and my n900 had slowed to a halt. so i reflashed it and wow it was all zippy and shiney and as new again and i remembered why i love this device then this came along i was following the thread on my n900 thinking it cant really get much smoother can it.... ohh how i was wrong.the things i tried to avoid, like reading youtube comments whilst playing the video i can now do, and everything is quicker, im in awe of this machine once again. broadband is gettting connected on wednesday im gonna rock metal gear solid on psx4all and i cant wait,
many thanks all of you


written at 825 mhz
 

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michalurban is offline michalurban
2010-04-04 , 13:25
Posts: 202 | Thanked: 30 times | Joined on Mar 2010 @ CZE
#556
Originally Posted by Crogge View Post
So you think 900MHz is better then 930MHz for the battery life?
Havent tested yet, what I have written is based on watching conky ... but I assume youre right about the battery life ...
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"I'm a Nokia fan. Ericsson ruled, Sony Ericsson SUX!!!"
Titans kernel up-and-running, N900 PR1.2 @ XLV 250-900 (Overclocking Guide)
 
titan is offline titan
2010-04-04 , 13:28
Posts: 946 | Thanked: 1,650 times | Joined on Oct 2009 @ Germany
#557
I have uploaded an untested kernel which is supposed to support 125MHz-1GHz and limits by default to 600MHz. I currently can't test it myself due to lack of my USB cable but I'd glad to get feedback from brave volunteers. more details here:
http://talk.maemo.org/showpost.php?p...&postcount=105
 
breakthru is offline breakthru
2010-04-04 , 13:33
Posts: 14 | Thanked: 5 times | Joined on Mar 2010
#558
After reading through this thread, I decided to try the 125-900mhz kernel, as I don't recall seeing anybody with problems with 900mhz (yet).

I've had no stability issues at all, most of the transitions and applications are snappier (not they were ever sluggish, but still...). I used to wait for 5 seconds before contacts showed up when I clicked contacts from within the phone application, now it's down to 3 seconds! Linear speed improvement!

The only problem I had so far was that flash support in Firefox became very slow with the 900mhz kernel, and the problem was solved when I uninstalled and re-installed Firefox. Now Flash works almost as good as in MicroB, and I'd say it works PERFECTLY with MicroB.

As the idle speed is now 125mhz as opposed to 250mhz, I believe there would be next to none extra strain to the battery. We'll all see if there will be any negative effects of overclocking the n900 in the mid to long-term but so far it seems the device handles the extra speed just fine...

My thanks go to everybody who contributed to this thread!
 

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Matan is offline Matan
2010-04-04 , 13:35
Posts: 1,224 | Thanked: 1,763 times | Joined on Jul 2007
#559
Originally Posted by titan View Post
I consider adding under/overclocking support to the community kernel (package kernel-flasher-maemo).
It should be safe to built a kernel that supports the entire 125MHz-1GHz range but only enables 250-600MHz by default.
Unfortunately the kernel boot parameter for the frequency range has been removed
in kernel 2.5.x http://www.mail-archive.com/bk-commi.../msg00015.html

The frequency range can be changed from user space by
Code:
echo 600000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq
echo 250000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_min_freq
Does anybody have a patch to add boot parameters for the frequency range?
As it stands, it seems that the clock handling code only supports one frequency per OPP. Instead of fixing it I hacked around this limitation. This patch has a range of nine frequencies, from 125 to 600, but at boot scaling_max_freq is at 600000.

http://my.arava.co.il/~matan/770/n900/freqs.diff
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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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tissot is offline tissot
2010-04-04 , 13:37
Posts: 1,839 | Thanked: 2,432 times | Joined on May 2009
#560
Originally Posted by meandu229 View Post
very rarely post because i never have much to contribute.
1 week ago i was annoyed at how laggy everything was and my n900 had slowed to a halt. so i reflashed it and wow it was all zippy and shiney and as new again and i remembered why i love this device then this came along i was following the thread on my n900 thinking it cant really get much smoother can it.... ohh how i was wrong.the things i tried to avoid, like reading youtube comments whilst playing the video i can now do, and everything is quicker, im in awe of this machine once again. broadband is gettting connected on wednesday im gonna rock metal gear solid on psx4all and i cant wait,
many thanks all of you


written at 825 mhz
Exactly the same here.


It has been asked here before with no answer. Any ideas how will this affect the coming PR1.2? Current fw version is shown to be unknown after the overclocking.
 
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