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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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Lehto is offline Lehto
2010-04-09 , 00:18
Posts: 126 | Thanked: 327 times | Joined on Nov 2009 @ Finland
#1841
Originally Posted by Matan View Post
Please include source patch for every kernel binary you provide.
Yeah.. and how do I do that?
__________________
My OC kernel collection
 
geneven is offline geneven
2010-04-09 , 00:32
Posts: 5,795 | Thanked: 3,151 times | Joined on Feb 2007 @ Agoura Hills Calif
#1842
Originally Posted by jakiman View Post
I have summarised quite a bit. Link in my sig.

Here's a thought for the summary. In the area giving the steps to restore the information in the about area, it says as one of the steps:

apt-get install --reinstall mp-fremantle-generic-pr

That didn't work for me. I decided to try

apt-get install --reinstall mp-fremantle-*

(with an asterisk in place of the rest of the information)

That worked for me.

I'm not sure how safe that was, but for most people I think it would work.
 

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egoshin is offline egoshin
2010-04-09 , 00:34
Posts: 992 | Thanked: 995 times | Joined on Dec 2009 @ California
#1843
Originally Posted by Lehto View Post
Yeah.. and how do I do that?
You can use "man patch" for details.

EDIT: actually - use "diff -u" as recommended for Linux kernel sources:

# Make sure your diff includes only the intended changes in your patch, not every other patch you have made to your source tree. Usually patches are limited to a few files, or directories. It is best to only diff the relevant files i.e. if I only made changes to the file driver_xyz.c under drivers/net, then I would use the following commands (assuming you have the original source tree named "linux-2.1.105", and the modified tree pointed at by the symlink "linux"):

cd /usr/src
diff -u linux-2.1.105/drivers/net/driver_xyz.c \
linux/drivers/net/driver_xyz.c > my_patch

# The following two should go without saying: the arguments to diff are first source (the original, unmodified file(s)), and then destination (your modified version of the file(s)), otherwise you get a reversed patch (and lots of people wondering what you're smoking). Also, make sure your patch applies and compiles cleanly.
Last edited by egoshin; 2010-04-09 at 00:38.
 

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NokiaRocks is offline NokiaRocks
2010-04-09 , 01:16
Posts: 658 | Thanked: 117 times | Joined on Jan 2010
#1844
Just flashed the 800mhz-ulv kernel and it seems the speed difference between 800 and 900 mhz is not that small.
But the undervolted kernel running kinda stable for now.
Last edited by NokiaRocks; 2010-04-09 at 01:36.
 
craftyguy is offline craftyguy
2010-04-09 , 01:55
Posts: 455 | Thanked: 278 times | Joined on Dec 2009 @ Oregon, USA
#1845
Originally Posted by qwerty12 View Post
Here's a hack to make it not go back to 600 MHz after a call has finished:

Edit /usr/share/policy/rules/current/policy.dresc and change "scaling_min_frequency" to "scaling_mIn_frequency" and "scaling_max_frequency" to "scaling_mAx_frequency". As this file does not have any publicly released sources available, **** if I know if there's a better way.
What format is this file in? I'm seeing a ton of invalid characters in my editor (Notepad++)
 
firstknight is offline firstknight
2010-04-09 , 03:15
Posts: 143 | Thanked: 4 times | Joined on Jan 2010
#1846
i am just wondering, is there anyway to access to the phone cpu freq to set it to 600000 then call ends set it to 800000???

since the cause of our change to 600000 is due to the phone function...
 
thelushlife is offline thelushlife
2010-04-09 , 03:19
Posts: 86 | Thanked: 52 times | Joined on Jan 2010
#1847
just wondering if fiasco has an o/c kernel that incorporates lehto's undervolting?

from what i read, this would be the most appropriate way to o/c the n900 while still retaining the ability to update software/firmware without breaking 'about info' of the device.
 
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felbutss is offline felbutss
2010-04-09 , 03:24
Posts: 579 | Thanked: 286 times | Joined on Oct 2009 @ Australia
#1848
Undervolting kernels:


These should in theory be safe to run as the 800mhz mode
runs with less voltage than the 500mhz mode uses normally,
while the other modes run with even much less voltage.

Heavy undervoltage, 800mhz max speed by default. 250mhz minimum clock with less than 125mhz voltage.
1100mhz activateable by a person with knowledge, however 1100mhz mode runs on OVERVOLTAGE!

UNSAFE TO TRY 1100mhz unless you want to break your device FOR REAL!!!!!!!
1100mhz mode left there only for quick demonstration purposes, but should by no means be used constantly as the cpu lifetime will be reduced A LOT.
This kernel also undervolts the DSP.
Most propably bricks your device if your chip isnt of good patch. Be prepared to flash the stock one back.
CPU: 250mhz / 375mhz / 500mhz / 800mhz / ((1100mhz))
DSP: 90mhz / 180mhz / 360mhz/ 400mhz / 430mhz



I’m current on the stock 800Mhz. how does it work undervoltage??? don’t really understand it. is it better for me to update to this???????? will it increase my performance, battery life and cpu??????????????? when will it use 1.1Ghz????????


sorry guys
 
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NokiaRocks is offline NokiaRocks
2010-04-09 , 03:34
Posts: 658 | Thanked: 117 times | Joined on Jan 2010
#1849
The 800 mhz is working perfectly smooth for me.
And as far as I understand, you can just get the cpu to 1,1 with some console commands. Normally it's just clocking to 800 mhz.
And this kernel should increase Cpu lifetime and lower battery consumption.
 
AlMehdi is offline AlMehdi
2010-04-09 , 03:36
Posts: 1,751 | Thanked: 844 times | Joined on Feb 2010 @ Sweden
#1850
Originally Posted by firstknight View Post
i am just wondering, is there anyway to access to the phone cpu freq to set it to 600000 then call ends set it to 800000???

since the cause of our change to 600000 is due to the phone function...
The calling issue has already been fixed in Titans latest kernel. Also if you use Titans kernel you could switch whenever you feel during runtime. http://talk.maemo.org/showpost.php?p...&postcount=774
 
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