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maemo.org - Talk (https://talk.maemo.org/index.php)
-   Nokia N900 (https://talk.maemo.org/forumdisplay.php?f=44)
-   -   Overclock the N900? (https://talk.maemo.org/showthread.php?t=39753)

hawk 2010-03-21 15:57
Re: Overclock the N900?
 
Quote:
Originally Posted by RFS-81 (Post 575912)
Not slamming anything here, just having a lot of doubts :)
That wasn't really directed at you :) Just the others who are being incredibly negative about the whole thing.

michalurban 2010-03-21 17:57
Re: Overclock the N900?
 
Im incredibly positive about the whole thing ... :D

byte_76 2010-03-21 19:47
Re: Overclock the N900?
 
Quote:
Originally Posted by hawk (Post 575908)
Its not too late. If you have a task that needs 700mhz of power, and you only have 600, then you'll notice the stall, but if overclocked to 800mhz, you won't notice it. So overall experience, everything is smoother.

I would be interested in overclocking the n900 just for the fun of it, it may not be entirely necessary, but if its a risk many of us are willing to take, then why not?

I don't get why people here are slamming the idea. No one is forcing you to overclock your n900, those who do want to do it obviously understand the risks.
I agree, if you want to overclock and you are aware of the risks then it's your choice. Anyone that is too concerned about the negative effects or risks of overclocking can simply continue to use their N900 as it is.
I think the risks are known. There is no need to slam the idea. If you're not interested, ignore the thread. If you're interested, keep an eye on this thread. (or get involved ;) )

GameboyRMH 2010-03-26 19:00
Re: Overclock the N900?
 
More news: Palm Pre owners say the overclock is generally stable and are only noticing a small decrease in battery life:

http://www.engadget.com/2010/03/26/p...-enjoy-at-one/

However we don't know if the Pre's OS is as CPU-intensive as Maemo 5 (and the crazy stuff we do on it :D) so it could just be that their CPUs are spending little time at max. power.

sophocha 2010-03-26 19:15
Re: Overclock the N900?
 
i have my pc @ 2.8 from 2.0mhz for the past 5 years and it is still rock stable....i say do it.....200mhz more will be awesome....im sure it can handle it....especially if the omniaHD has the same cpu @800mhz....i say make an app for it!

TheSov 2010-03-27 05:07
Re: Overclock the N900?
 
first goal would be to identify the n900's clock generator. then and only then can we do anything with overclocking.

michalurban 2010-03-27 16:43
Re: Overclock the N900?
 
Quote:
Originally Posted by TheSov (Post 584009)
first goal would be to identify the n900's clock generator. then and only then can we do anything with overclocking.
A how to do that? Is it written somewhere inside the device, on the corresponding part? In some hw parts list? Or inside some hardware manual ... something like that?

Or does it more likely require deep sw exploration?

TheSov 2010-03-28 02:15
Re: Overclock the N900?
 
its a hardware chip usually near the processor. because its hardware someone has to crack open the phone and feel around for it. once identified we can lookup what it needs to be changed (if possible) some of these generators are hardware locked to a specific frequency kind like the old amd processors that had the jumpers on top.

Rushmore 2010-04-01 13:15
Re: Overclock the N900?
 
Droid has same chipset and clocks rock solid at 800mhz and most do not see problems at 1ghz (people have issues at 1.2ghz and 10 degree temp increase). Still, the battery on the N900 is weak enough without upping the clock.

Which brings up a point that the Droid lasts a few hours longer than the N900, even when overclocked to 800mhz (scaling 250 to 800). Similar mah sized batteries and Droid is on 3G all the time and N900 is on 2G. Apples & oranges I guess.

Wish I could OC my Arm11 7201 ;) Probably would melt the G1 :eek:

hqh 2010-04-01 14:26
Re: Overclock the N900?
 
Quote:
Originally Posted by TheSov (Post 584959)
its a hardware chip usually near the processor. because its hardware someone has to crack open the phone and feel around for it. once identified we can lookup what it needs to be changed (if possible) some of these generators are hardware locked to a specific frequency kind like the old amd processors that had the jumpers on top.
The OMAP3 in N900 receives an external 19.2 MHz HF clock signal and a 32.768 kHz sleep clock (according to the service manual). The rest of the processor's clocks are generated in the internal clock module of the OMAP3, which should be quite configurable by software (kernel drivers).


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