Re: overclocking kernel modules + UI for PR1.3 [ko v1.5.4] [ui v1.2.7]
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K+ users beware that I don't personally use this on a daily basis for a number of reasons though! ;) |
Re: overclocking kernel modules + UI for PR1.3 [ko v1.5.4] [ui v1.2.7]
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Re: overclocking kernel modules + UI for PR1.3 [ko v1.5.4] [ui v1.2.7]
IIRC the minimum voltage is at the bottom of the slider range in the Opptimizer UI, however you can write any voltage and frequency target you want into /proc/opptimizer.
Dragons beware! |
Kernel plus opptimizer version is 1.5.3, cant 1.5.4? Because it always show update in opptimizer ui when startup
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Re: overclocking kernel modules + UI for PR1.3 [ko v1.5.4] [ui v1.2.7]
1.5.3 is the latest module version source on Bitbucket.
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Re: overclocking kernel modules + UI for PR1.3 [ko v1.5.4] [ui v1.2.7]
I managed to undervolt my N9 to 1.075 V (at 1ghz stock clock). I had to disable SmartReflex CPU in order to go below stock voltage.
I can also reach 1150 mhz with 1.1875 V (my stock voltage). Pretty good I think :) . |
Re: overclocking kernel modules + UI for PR1.3 [ko v1.5.4] [ui v1.2.7]
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SmartReflex is calibrated at production, and on the OMAP3630 HS as used on the N9/50, SR Class 3 automatically targets the lowest voltage possible when enabled. It also shuts down unused portions of the SoC to save power. Undervolting is pretty much moot - it had some impact back on the N900, but on the N9/50 it's pointless. I do not know if the SmartReflex values on the N9/50 are calibrated for frequencies beyond 1000MHz, but if they were, it should keep working (at least until the highest factory clock speed OMAP3630 goes to - 1200MHz) |
Re: overclocking kernel modules + UI for PR1.3 [ko v1.5.4] [ui v1.2.7]
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Re: overclocking kernel modules + UI for PR1.3 [ko v1.5.4] [ui v1.2.7]
I've done some tests, with undervolting the current consumption in load is slightly reduced, but in idle is increased, so you are right, SmartReflex disables some parts of the soc when they are not used. However I think undervolting is worthing during heavy cpu load (e.g. games).
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Re: overclocking kernel modules + UI for PR1.3 [ko v1.5.4] [ui v1.2.7]
I have been following this thread since the beginning, but have yet to overclock my N9 because FasterN9 has taken care of most of my lag problems. There are two instances, however, where I do have some lag and I was wondering if anyone had any experience with overclocking helping in those areas.
1.) When my events screen updates, the first time I scroll through the new posts it stutters (once I have scrolled through once it no longer stutters). 2.) My keyboard is sometimes slow to pop up in the messaging app. 3.) System slow down with incoming messages or calls. Has anyone had these issues before overclocking, and no longer has them after overclocking? |
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