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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
2010-04-12 , 17:58
Posts: 1,729 | Thanked: 388 times | Joined on Jan 2010 @ Canada
#2471
Originally Posted by Lehto View Post
BTW... All my kernels are built from this source
kernel_2.6.28-20100903+0m5
im running a 125/900 now, no problems so far.

aside from the problems (like stuttering), is the low voltage 125mhz idle have a bad effect in HW as well?
 

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Lehto is offline Lehto
2010-04-12 , 18:02
Posts: 126 | Thanked: 327 times | Joined on Nov 2009 @ Finland
#2472
Low voltage doesnt damage hardware, high voltage does.
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My OC kernel collection
 

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bigswed is offline bigswed
2010-04-12 , 18:06
Posts: 44 | Thanked: 5 times | Joined on Apr 2010
#2473
Hi! gabby131
i use the same kernel as u.. but did this /etc/pmconfig "scaling_min_freq 250000" i a don have the stuttering... and it stay at idle 250mhz. idonīt no if that is the way, but it works 4 me..
 

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dimkit is offline dimkit
2010-04-12 , 18:12
Posts: 59 | Thanked: 7 times | Joined on Jan 2010
#2474
i have tried both kernels lv and ulv and i think that with the lv kernel my phone is faster comperative with ulv , i found ulv a liitle bit laggy.
I found lv kernel speed exactly the same as the normal voltage kernel.
So i think that lv kernel is the best choice , so far.
Lower tempratures (so safe for the summer even on 900mhz) and good performance.
 

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bigswed is offline bigswed
2010-04-12 , 18:15
Posts: 44 | Thanked: 5 times | Joined on Apr 2010
#2475
is Titans last update OK? (lv,ulv,xlv) last time i did get a fm-radio and call out problem (2g)
 
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Gusse is offline Gusse
2010-04-12 , 18:26
Posts: 168 | Thanked: 206 times | Joined on Apr 2010 @ Finland
#2476
Originally Posted by bigswed View Post
is Titans last update OK? (lv,ulv,xlv) last time i did get a fm-radio and call out problem (2g)
Working OK. I have used ideal kernel since last night without any problems. Most of the time at 850MHz and time to time at 1GHz.
This was cure for FM radio problem 2409
 
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debernardis is offline debernardis
2010-04-12 , 18:32
Posts: 2,142 | Thanked: 2,054 times | Joined on Dec 2006 @ Sicily
#2477
Originally Posted by Gusse View Post
Working OK. I have used ideal kernel since last night without any problems. Most of the time at 850MHz and time to time at 1GHz.
This was cure for FM radio problem 2409
Be careful with that. I have erased the "current" link and rebooted without reminding to make it again. Now the device doesn't boot any more

I'm currently downloading the latest Maemo5 image and plan to reflash tomorrow in the morn' -9 hours from now - if anybody has an idea which could help before I do, please let me know.
I've tried to set my device in r&d mode and it says "no initfs \o/"

EDIT: yes I had to reflash. Was not too shocking. Presently running kernel 22.
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Last edited by debernardis; 2010-04-13 at 17:36.
 

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nightfire is offline nightfire
2010-04-12 , 18:42
Posts: 310 | Thanked: 383 times | Joined on Jan 2010
#2478
Time is always a huge problem for me, but I've been kicking around the idea of writing an overclocking control panel / widget that does the following:

- Displays a graph of CPU speed vs. battery life over time
- Allows you to select minimum and maximum clock rates
- Implements a schedule (more clock when screen active, less during phone calls, whatever)
- Allows control over other power management functions (ie. ondemand governor)
- Profiles for long runtime or high performance
- "Safe mode" to disable OC'ing if the last reboot was < 5 minutes ago
- An autodiscovery mode that can run on bootup and optimize the various settings until it finds the best that a given phone can support
- (maybe) implement a panel that can control process priorities, renice'ing the camera/video recorder, mediaplayer, etc. to -20 while operating

If there's enough demand for it, I'll give it a shot; anyone interested?
 

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nokian-series is offline nokian-series
2010-04-12 , 18:50
Posts: 169 | Thanked: 41 times | Joined on Apr 2010 @ Portugal
#2479
Hello all..here is a begginer on Titans Kernel, so i hope i can have a little hand on

Regarding to information on: http://wiki.maemo.org/Overclocking , and what i understand about it:

For XLV kernel:
250 is < idle stock (extremely low voltage)

For: "ideal" kernel:
500 is idle stock (lower voltage)

So, the XLV is more battery saver than the ideal one ? Or i dont understoot well?

I installed now the 'ideal' kernel, 500 min - 850 max.
If i check the pmconfig file, the values are default: min=125000 max= 600000 (so it is ignoring the pmconfg file?)

So..how can i push up this kernel max over 850? To 900 Mhz, for example (permanently).

Edit pmconfig file or..is other way?

Sorry, all this time i've used lehtos kernel, i just instaled this kernel a few minuts ago (yes, i read a lot os information and the wiki..please give a litle help )
Last edited by nokian-series; 2010-04-12 at 18:54. Reason: Just to add some info.
 
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Gusse is offline Gusse
2010-04-12 , 18:55
Posts: 168 | Thanked: 206 times | Joined on Apr 2010 @ Finland
#2480
Originally Posted by nightfire View Post
Time is always a huge problem for me, but I've been kicking around the idea of writing an overclocking control panel / widget that does the following:

- Displays a graph of CPU speed vs. battery life over time
- Allows you to select minimum and maximum clock rates
- Implements a schedule (more clock when screen active, less during phone calls, whatever)
- Allows control over other power management functions (ie. ondemand governor)
- Profiles for long runtime or high performance
- "Safe mode" to disable OC'ing if the last reboot was < 5 minutes ago
- An autodiscovery mode that can run on bootup and optimize the various settings until it finds the best that a given phone can support
- (maybe) implement a panel that can control process priorities, renice'ing the camera/video recorder, mediaplayer, etc. to -20 while operating

If there's enough demand for it, I'll give it a shot; anyone interested?
Sounds very good so I'm in. Especially schedule for clock is something that I would like to see implemented.

Titan's ideal kernel at normal usage + low clock freq and voltage when idle (i.e. night times) -> good user experience + long battery life

Also other planned features would be nice!
Last edited by Gusse; 2010-04-12 at 18:58.
 
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