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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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nightfire is offline nightfire
2010-04-18 , 18:34
Posts: 310 | Thanked: 383 times | Joined on Jan 2010
#3031
I suspect there would be no negative consequences locking at 1ghz, despite what many have said; the noop loops are very power efficient, and even at 1ghz, the chip isn't doing much. I left mine idling at 1ghz for 20 minutes and the temperature hung around 3C over ambient (vs ambient at 250mhz).

Even under moderate load that was averaging 500mhz, locking at 1ghz only increased CPU temp by 3C.

I would suspect that running intensive operations at 250mhz would heat the CPU more than idling at 1ghz..
 
AlMehdi is offline AlMehdi
2010-04-18 , 19:00
Posts: 1,751 | Thanked: 844 times | Joined on Feb 2010 @ Sweden
#3032
Originally Posted by nightfire View Post
I suspect there would be no negative consequences locking at 1ghz, despite what many have said; the noop loops are very power efficient, and even at 1ghz, the chip isn't doing much. I left mine idling at 1ghz for 20 minutes and the temperature hung around 3C over ambient (vs ambient at 250mhz).

Even under moderate load that was averaging 500mhz, locking at 1ghz only increased CPU temp by 3C.

I would suspect that running intensive operations at 250mhz would heat the CPU more than idling at 1ghz..
Do not trust the temp! It is not exact.
 
rooted is offline rooted
2010-04-18 , 19:07
Posts: 156 | Thanked: 90 times | Joined on Jan 2010
#3033
Originally Posted by gusse View Post
i got lots of error when i tried to run script for analyzing time_in_state (by rooted) - rev6 from wiki.maemo.org/overclocking

below is a bit modified version that run at least on my x-term. I don't understand why original file didn't run.

then i noticed that "used" and "when busy" give same readings. I don't understand how this when busy is derived from "time_in_state" file. At least i have there only two columns (freq and time).
1. Can you paste the output if you run the original script (use PM so that we don't spam the forum).

2. I've compared your modified script and I don't really see real differences. Only spaces converted into tabs and awk execution is set as variable which is echoed in the next line (unnecessary I believe).

3. If your used and when busy give same readings that indicates a certain bug in the script. Although I designed it with various kernels in mind there is a possibility of that.

4. When busy is derived very simply as can be seen from the code. It is portion (percentage) of all frequencies except the lowest (idle) one. It is used so it gives a more detailed reading of higher frequencies, because if the device uses the lowest frequency 98%+ of the time it is hard to compare the remaining 2% between itself.
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Wiki: Desktop Command Execution Widget scripts (collection), fcron (schedule anything at anytime), NTP (automatically update clock), Package management (clean after packages), Startup script (execute anything at startup), Swap on microSD (increase performance and battery life)
 

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NokiaRocks is offline NokiaRocks
2010-04-18 , 19:23
Posts: 658 | Thanked: 117 times | Joined on Jan 2010
#3034
I've been trying Titan's ideal kernel (500-850) and the battery drains alot faster then with Leho's 250-800 Mhz.
Are you guys noticing the same issue ?
 
gabby131 is offline gabby131
2010-04-18 , 20:53
Posts: 1,729 | Thanked: 388 times | Joined on Jan 2010 @ Canada
#3035
Originally Posted by AlMehdi View Post
Do not trust the temp! It is not exact.
i believe so. i base my temp on how quick the phone increase temp, physically.

@800-900mhz, almost the same as the stock when using the phone with atleast 3 apps open and 2 web windows. it is noticable that after 20mins of continous phone call, the temp increases, unlike on the stock in about 40-60mins.

and mostly when i check the temp of my phone via xterm or desktop exe wdget. it shows a -40 and a reboot fixes it, so not so sure how accurate that is.
 
gabby131 is offline gabby131
2010-04-18 , 20:56
Posts: 1,729 | Thanked: 388 times | Joined on Jan 2010 @ Canada
#3036
Originally Posted by NokiaRocks View Post
I've been trying Titan's ideal kernel (500-850) and the battery drains alot faster then with Leho's 250-800 Mhz.
Are you guys noticing the same issue ?
the lehto's kernel your tried have lower voltages than titan's

lower voltage in idle "might" consume less power.
 
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NokiaRocks is offline NokiaRocks
2010-04-18 , 20:59
Posts: 658 | Thanked: 117 times | Joined on Jan 2010
#3037
Which voltage is Lehto using for 250 Mhz ?
I'm using 0,975 now.
 
titan is offline titan
2010-04-18 , 21:01
Posts: 946 | Thanked: 1,650 times | Joined on Oct 2009 @ Germany
#3038
congratulations! you may be the first user who actually fried his device!

but maybe your battery is just empty. let it cool down and recharge it.
in case it boots up again, immediately set the totally insane min frequency
from 850 to 250.

Originally Posted by maykon-de-angra View Post
please help,
Yesterday I was playing "OPEN ARENA" On my N900, and After about 30 minutes, he hung up and not want to Connect!
My N900 is not more Booting
is not reloading.
Not in League Mode FLASH.
Just glows red, which then hang up.
already happened to someone?
I know it's my fault, but there is some geito to recover it?
I was using the Kernel Operating Titan XLV In 850Mh Minimum 1Ghz and Maximo.
Sera that he DIED?? help
 
titan is offline titan
2010-04-18 , 21:04
Posts: 946 | Thanked: 1,650 times | Joined on Oct 2009 @ Germany
#3039
Originally Posted by NokiaRocks View Post
I've been trying Titan's ideal kernel (500-850) and the battery drains alot faster then with Leho's 250-800 Mhz.
Are you guys noticing the same issue ?
nope, battery drain is nearly flat for me.
I called it "ideal" because it gives me the best tradeoff between battery life,
speed and safety.

There no longer is an hardcoded "ideal" kernel.
you can experiment with all kinds of settings, including lehto's ones.
 

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nightfire is offline nightfire
2010-04-18 , 21:04
Posts: 310 | Thanked: 383 times | Joined on Jan 2010
#3040
Originally Posted by AlMehdi View Post
Do not trust the temp! It is not exact.
Can you elaborate?
 
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