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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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gabby131 is offline gabby131
2010-05-13 , 20:46
Posts: 1,729 | Thanked: 388 times | Joined on Jan 2010 @ Canada
#3621
Originally Posted by matts76 View Post
I've used both xlv and ideal settings with min 500mhz and max 1ghz (even1.15ghz for psx4all in short bursts of 20 mins or so) for quite some time both without any problems, out of the two i've now settled on ideal,
as for what is safe that is a matter of opinion, i think for me it is perfectly safe at these levels but there are others who think that all us OC'ers are fools.
At the end of the day its down to personal preferance.
well in posts and internet websites, i read that the ARM processor can scale up to 1ghz.

nokia locking the default to 600mhz is maybe because:

-the CPU may not be damaged @1ghz and up but in battery operated devices, its different. you might blow your battery up before you melt your CPU

-the CPU may not be damaged but the mother board might (overheat and overvoltage may be the reason)

IMHO!!!
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"The best way to break a Spell is to prevent it from being cast in the first place"

N900: 1000/1150mhz; sampling_rate 15; up_threshold 150000;
 
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Gusse is offline Gusse
2010-05-13 , 21:24
Posts: 168 | Thanked: 206 times | Joined on Apr 2010 @ Finland
#3622
Originally Posted by gabby131 View Post
well in posts and internet websites, i read that the ARM processor can scale up to 1ghz.

nokia locking the default to 600mhz is maybe because:

-the CPU may not be damaged @1ghz and up but in battery operated devices, its different. you might blow your battery up before you melt your CPU

-the CPU may not be damaged but the mother board might (overheat and overvoltage may be the reason)

IMHO!!!
Limitation is coming from processor vendor (TI). There are lots of different IC vendors that are using various versions of ARM cores, one of them is TI with OMAP family.
Texas_Instruments_OMAP
N900 is using OMAP 3430.
 

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michalurban is offline michalurban
2010-05-14 , 07:33
Posts: 202 | Thanked: 30 times | Joined on Mar 2010 @ CZE
#3623
Runnin XLV (250-900) on PR 1.2 RC and all is ok, great stuff!!! Thanks everyone involved in creating this repository-based power kernel!!!
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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)
 
stayloa is offline stayloa
2010-05-14 , 09:35
Posts: 284 | Thanked: 75 times | Joined on Nov 2009
#3624
Originally Posted by Sash View Post
Cheers for all the good work titan.

I'm not too sure what the combination was but I bricked my N900 today after I tried to uninstall the latest kernel-power. I wanted to install the "Bugfix for Touchscreen calibration" and so clicked on uninstall kernel-power from my menu.

It gave me the warning, which I clicked OK and then after a couple of seconds it gave a confirmation that the kernel-power had been uninstalled. I then checked in Conky and saw that I was still running at 900Mhz. I then went to re-boot the phone, but it wouldn't turn back on again.
Grr... Why did I try this at work?! Bricked using the uninstall app in the menu. Have to wait till I get home to reflash!
 
titan is offline titan
2010-05-14 , 10:02
Posts: 946 | Thanked: 1,650 times | Joined on Oct 2009 @ Germany
#3625
Originally Posted by stayloa View Post
Grr... Why did I try this at work?! Bricked using the uninstall app in the menu. Have to wait till I get home to reflash!
the "deinstall" menu item is very experimental.
It doesn't work with LR1.2 (which I'm running).

it basically does the same as
http://wiki.maemo.org/Kernel_Power#Deinstallation

I'd appreciate if you could test the following commands manually (not the menu item) and send me the output.

Code:
sudo gainroot
apt-get install --reinstall -y kernel kernel-flasher
apt-get remove -y kernel-power kernel-power-modules
after that you can install kernel-power-flasher or settings via HAM again.
 

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gabby131 is offline gabby131
2010-05-14 , 10:25
Posts: 1,729 | Thanked: 388 times | Joined on Jan 2010 @ Canada
#3626
@ titan:

i just want to ask about the enhanced linux kernel (maemo27)

after installing, my kernel-flasher-maemo (maemo25) drop to maemo23 version....is this normal? i have kernel-power-settings 0.8 also installed.

everything is working great, a noob is just wondering
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if i did help you, just click "Thanks" on the lower right of my post. thanks!

"The best way to break a Spell is to prevent it from being cast in the first place"

N900: 1000/1150mhz; sampling_rate 15; up_threshold 150000;
 
titan is offline titan
2010-05-14 , 10:35
Posts: 946 | Thanked: 1,650 times | Joined on Oct 2009 @ Germany
#3627
kernel-flasher-maemo was the old name (changed more than one month ago).
it is now only an empty transition package that you can safely deinstall.

Originally Posted by gabby131 View Post
@ titan:

i just want to ask about the enhanced linux kernel (maemo27)

after installing, my kernel-flasher-maemo (maemo25) drop to maemo23 version....is this normal? i have kernel-power-settings 0.8 also installed.

everything is working great, a noob is just wondering
 

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gabby131 is offline gabby131
2010-05-14 , 10:45
Posts: 1,729 | Thanked: 388 times | Joined on Jan 2010 @ Canada
#3628
Originally Posted by titan View Post
kernel-flasher-maemo was the old name (changed more than one month ago).
it is now only an empty transition package that you can safely deinstall.
so the kernel-flasher-maemo is now the "enhanced linux kernel for power users"

thanks....

currently using your ulv and latest settings, though i resist on editing some settings. i just install, update and go.
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if i did help you, just click "Thanks" on the lower right of my post. thanks!

"The best way to break a Spell is to prevent it from being cast in the first place"

N900: 1000/1150mhz; sampling_rate 15; up_threshold 150000;
 
stayloa is offline stayloa
2010-05-14 , 11:15
Posts: 284 | Thanked: 75 times | Joined on Nov 2009
#3629
Originally Posted by titan View Post
the "deinstall" menu item is very experimental.
It doesn't work with LR1.2 (which I'm running).

it basically does the same as
http://wiki.maemo.org/Kernel_Power#Deinstallation

I'd appreciate if you could test the following commands manually (not the menu item) and send me the output.

Code:
sudo gainroot
apt-get install --reinstall -y kernel kernel-flasher
apt-get remove -y kernel-power kernel-power-modules
after that you can install kernel-power-flasher or settings via HAM again.
Hi Titan,

I'm going to reflash the kernal when I get home via LXDE as it won't even boot a Nokia screen at the moment.

So long as that works okay, I'll run the above and send you the output as requested. Do you want it posted here, PM or bug report?

Thanks for all your help in this thread!
 
legoman666 is offline legoman666
2010-05-14 , 15:20
Posts: 185 | Thanked: 103 times | Joined on Aug 2008
#3630
I want to remove my overclock, since it is completely unstable after upgrading to the pr1.2 leak. However, when I run the command "apt-get install --reinstall kernel kernel-flasher" I get the error:

"Reinstallation of kernel is not possible, it cannot be downloaded"
"Reinstallation of kernel-flasher is not possible, it cannot be downloaded"

Any ideas?
 
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