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-   -   Overclock the N900? (https://talk.maemo.org/showthread.php?t=39753)

stano 2010-04-02 17:27

Re: Overclock the N900?
 
Quote:

Originally Posted by attila77 (Post 592816)
Do you have some test data for 125 ? I had this dispute with some folks and there was a notion that on N900 style devices you don't actually win anything with 125 except for some very specific usage scenarios.

i dont have test data, but it looks like it is not win like you said, i look at battery-eye graphs but i dont see improvments. unfortunately i lost this graphs, when i uninstall battery-eye and install batterygraph :)

stano 2010-04-02 17:29

Re: Overclock the N900?
 
Quote:

Originally Posted by titi974 (Post 592825)
so you actually did it as i can see ? any changes in smoothness ?

it looks that phone react little faster

jakiman 2010-04-02 19:24

Re: Overclock the N900?
 
Could you give us a step by step on how to achieve 125 or 800?

ear0wax 2010-04-02 19:31

Re: Overclock the N900?
 
Quote:

Originally Posted by jakiman (Post 592968)
Could you give us a step by step on how to achieve 125 or 800?

I agree. At least a little more info than your post gave.

Lehto 2010-04-02 20:37

Re: Overclock the N900?
 
Yup its possible, I just flashed mine to run @ 700mhz and indeed it feels faster!

EDIT: I will test a lot now... will report back tomorrow if my phone has turned to dust.

hqh 2010-04-02 21:26

Re: Overclock the N900?
 
2 Attachment(s)
Damnit, you guys beat me to it :)

Default:
Attachment 8634

Running @ 800 MHz
Attachment 8635

Well at least it can now calculate pi faster :p
About general snappiness... It's very hard to say which is real and which is placebo effect but at least it isn't slower than before :rolleyes:

The instructions are all there:
http://wiki.maemo.org/Documentation/...o_Kernel_Guide

Just remember, if you break it it's your own damn fault :p

Also the image attachment feature either sucks or I don't know how to use it.

Icyseanfitz 2010-04-02 21:31

Re: Overclock the N900?
 
il wait for a couple of weeks just to be safe ;) see what happens

jakiman 2010-04-02 21:39

Re: Overclock the N900?
 
@ hqh

So you can simply change the clock speed from the xterminal?
Does that just increase the maximum limit?
or does it fix the speed to that frequency permanently?

Can you let us know simply what needs to be done in a few steps?
(I've never fiddled around with the kernel yet so no idea where to start)
Is it basically, modifying the kernel, compile and flash?
If so, can someone upload the already modified kernel?

hqh 2010-04-02 21:46

Re: Overclock the N900?
 
Quote:

Originally Posted by jakiman (Post 593126)
So you can simply change the clock speed from the xterminal?
Does that just increase the maximum limit?
or does it fix the speed to that frequency permanently?

Can you let us know simply what needs to be done in a few steps?
(I've never fiddled around with the kernel yet so no idea where to start)

No, you can't change it from xterminal. You need to modify kernel sources and compile a custom kernel (you'll need the SDK and stuff) and then flash it to the device. It's gonna be tricky if you've never done it before... The link I put in the previous post explains the basic steps. It's probably easier to wait for someone to share the kernel image (no, not me, at least not right now)...

Anyway, I probably won't be running mine maxed at 800, as I prefer stability (I had no problems during the short test run though). Just wanted to see/prove it is possible :D Oh who am I kidding. Going to have a longer test run at 800MHz.

Lehto 2010-04-02 22:00

Re: Overclock the N900?
 
Quote:

Originally Posted by hqh (Post 593136)
No, you can't change it from xterminal. You need to modify kernel sources and compile a custom kernel (you'll need the SDK and stuff) and then flash it to the device. It's gonna be tricky if you've never done it before... The link I put in the previous post explains the basic steps. It's probably easier to wait for someone to share the kernel image (no, not me, at least not right now)...

I will see how much clock speed I can get mine running at... Just tried 800mhz and tried psx4all for 10minutes and no crash so far. I hope it doesnt fry! Also enabled the 125mhz mode.

What caused some odd behaviour was when I set the second fastest speed to over 590mhz it stopped switching to fastest speed. So had to revert to 125,250,500,550,800 from 125,250,500,650,800.

Im sooooo tempted to test how fast it goes but I just have to force myself not to as this isnt a PC.

What comes to snappyness, Theres still this odd lag when you open the menus but once it switches to 800mhz state everything is just faster. Best way to test was with browser, it rendered maemo.org in a record time!


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