Overclock the N900? - Page 187 - maemo.org

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	felbutss	2010-04-09 , 06:21
	Posts: 579 \| Thanked: 286 times \| Joined on Oct 2009 @ Australia	#1861

Originally Posted by JMacalinao

Reflash to the stock kernel (or any kernel that worked for you before). Is SmartReflex enabled on your device before flashing to the ulv kernel? I had to disable it just so I can use some kernels (this included).

dont shoot me. i know its somewhere in the forum but its to big to look.

how do i disable it????? what does it effect if i do???

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	JMacalinao	2010-04-09 , 06:30
	Posts: 46 \| Thanked: 26 times \| Joined on Dec 2009 @ Makati, Philippines	#1862

Originally Posted by felbutss

dont shoot me. i know its somewhere in the forum but its to big to look.

how do i disable it????? what does it effect if i do???

I've got a feeling you haven't enabled it in the first place

(SmartReflex is some sort of power-saving feature, but It's disabled by default)

But just to check, try this in your terminal:

cat /sys/power/sr_vdd1_autocomp
cat /sys/power/sr_vdd2_autocomp

If both says '0', then it's disabled.

If it's disabled, though, I don't have any more ideas why the device would reset with the ulv kernel.

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Last edited by JMacalinao; 2010-04-09 at 06:36.

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	felbutss	2010-04-09 , 06:36
	Posts: 579 \| Thanked: 286 times \| Joined on Oct 2009 @ Australia	#1863

Originally Posted by JMacalinao

I've got a feeling you haven't enabled it in the first place (SmartReflex is some sort of power-saving feature, but It's disabled by default)

But just to check, try this in your terminal:

cat /sys/power/sr_vdd1_autocomp
cat /sys/power/sr_vdd2_autocomp

If both says '0', then it's disabled.

hhhmmmmmm yes its disabled

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Kesse	2010-04-09 , 06:38
Posts: 31 \| Thanked: 3 times \| Joined on Feb 2010 @ Sønderjylland, Denmark	#1864

Seems like 900Mhz and 500Mhz DSP is too much for my N900. Videos are artifacting. There are also visual glitches in Bounce now.

Does anyone know whether it is due to the DSP (I guess it is. It is some kind of GPU, right?), or is it the CPU?

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	JMacalinao	2010-04-09 , 06:41
	Posts: 46 \| Thanked: 26 times \| Joined on Dec 2009 @ Makati, Philippines	#1865

Originally Posted by felbutss

hhhmmmmmm yes its disabled

Hmm... You should stick to the previous kernel that worked for you, at least for now, until Lehto/titan/Matan comes up with a better ulv kernel.

(I'm waiting for a 250-900 ulv kernel, like everyone else

)

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	Blinde	2010-04-09 , 06:49
	Posts: 102 \| Thanked: 26 times \| Joined on Jan 2010 @ Finland	#1866

Originally Posted by Blinde

Does these Lehto's new kernels affect on autoupdating? Do I have to install original kernel back so that I can install PR 1.2?

Anyone? Or is everyone just overclocking?

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	JMacalinao	2010-04-09 , 06:52
	Posts: 46 \| Thanked: 26 times \| Joined on Dec 2009 @ Makati, Philippines	#1867

Originally Posted by Kesse

Seems like 900Mhz and 500Mhz DSP is too much for my N900. Videos are artifacting. There are also visual glitches in Bounce now.

Does anyone know whether it is due to the DSP (I guess it is. It is some kind of GPU, right?), or is it the CPU?

I don't know about the video artifacting, but I did see those visual glitches in Bounce when I was in 1Ghz/stock DSP using titan's kernel. Didn't have them at 900Mhz/500Mhz DSP, but when I came back to 1Ghz (so I can take a screenshot of Bounce with that issue), the glitches disappeared. So the glitches are kinda a "hit or miss" for me.

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Lehto	2010-04-09 , 07:01
Posts: 126 \| Thanked: 327 times \| Joined on Nov 2009 @ Finland	#1868

Originally Posted by JMacalinao

Hmm... You should stick to the previous kernel that worked for you, at least for now, until Lehto/titan/Matan comes up with a better ulv kernel.

(I'm waiting for a 250-900 ulv kernel, like everyone else )

900mhz requires a noticeable jump in voltage so 900mhz-ulv wont be so easy, I'll see what I can do though. First have to learn how to do these linux source patches/diff files.

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	felbutss	2010-04-09 , 07:02
	Posts: 579 \| Thanked: 286 times \| Joined on Oct 2009 @ Australia	#1869

Originally Posted by Lehto

900mhz requires a noticeable jump in voltage so 900mhz-ulv wont be so easy, I'll see what I can do though. First have to learn how to do these linux source patches/diff files.

what about the restart issue i mentioned before with the new kernal

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Lehto	2010-04-09 , 07:23
Posts: 126 \| Thanked: 327 times \| Joined on Nov 2009 @ Finland	#1870

Originally Posted by felbutss

what about the restart issue i mentioned before with the new kernal

IF you read the warning text directly above ulv kernel you might of noticed that it wont work with every device. Its not even tuned for minimum voltage I tuned for minimum for my device then upped 2 voltage steps so it should work on more devices.

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