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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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todor_tsankov is offline todor_tsankov
2010-04-06 , 08:35
Posts: 52 | Thanked: 42 times | Joined on Jan 2010 @ Bulgaria
#1201
Originally Posted by gwj View Post
Without SmartReflex enabled, isn't the processor always operating at the highest voltage (OPP5)?
As the SmartReflex currently is not enabled by default (MB7633) I highly doubt that this is the case ...
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nokian-series is offline nokian-series
2010-04-06 , 08:38
Posts: 169 | Thanked: 41 times | Joined on Apr 2010 @ Portugal
#1202
I have the 900 Mhz Kernel
I used: apt-get install --reinstall mp-fremantle-003-pr , then reboot, and the information is back again

And i still have the 900 Mhz runing.
So.. no side effects?

Can anyone explain what it does, since i thing the 900 Mhz kernel is not affected and the device info is back.

Thanks you all
 
todor_tsankov is offline todor_tsankov
2010-04-06 , 08:39
Posts: 52 | Thanked: 42 times | Joined on Jan 2010 @ Bulgaria
#1203
Originally Posted by telnet View Post
44k hours is still 5 years and its not going to be running at that speed 100% of the time unless you use your phone maxed 24/7 and dont sleep!

One thing is for sure in my case. I wont be using this phone in 2 years. there will be something better about.

Id be happy with 20,000 hours cpu lifetime so overclocking isnt a problem for me.

Hopefully i wont burn it out until Q4 when something better will be available
If these are real numbers - indeed 20K does seems enough time But I think, even in this case, the lifetime of the CPU could be prolonged if we find a way to read the actual CPU temp sensor and limit the max freq above certain temperature values through
Code:
/sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq
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RDK is offline RDK
2010-04-06 , 08:39
Posts: 102 | Thanked: 9 times | Joined on Feb 2010 @ Wellingborough, UK
#1204
This might sound nooby, and somewhat stupid... But surely if you're overclocking you are just changing the limit the chip can run at? Meaning that just because it is overclocked to X it doesn't mean it will be running at that speed all the time? Only when high cpu usage programs are run? I would very much like to speed my N900 up a little becuase I watch alot of films but the films run just below perfect, like 0.01 fps 2 slow and its noticeable, but I am a noob and have no idea how to use a flasher or use a kernel flasher file lol, from what I've read it seems this isn't doing so bad with the tests. Pretty cool that it can be overclocked lol, well done to everyone who has done it, you're the people that make the world go round.

Edit, I was on page 28.. There are over 120! Lol. Amazing.
 
baron von bubba is offline baron von bubba
2010-04-06 , 08:45
Posts: 255 | Thanked: 109 times | Joined on Dec 2009
#1205
Originally Posted by RDK View Post
This might sound nooby, and somewhat stupid... But surely if you're overclocking you are just changing the limit the chip can run at? Meaning that just because it is overclocked to X it doesn't mean it will be running at that speed all the time? Only when high cpu usage programs are run? I would very much like to speed my N900 up a little becuase I watch alot of films but the films run just below perfect, like 0.01 fps 2 slow and its noticeable, but I am a noob and have no idea how to use a flasher or use a kernel flasher file lol, from what I've read it seems this isn't doing so bad with the tests. Pretty cool that it can be overclocked lol, well done to everyone who has done it, you're the people that make the world go round.

Edit, I was on page 28.. There are over 120! Lol. Amazing.
http://talk.maemo.org/showpost.php?p...postcount=1098

this is prob the easiest way, i tried it this more to go from 900 to 825mhz
 
RDK is offline RDK
2010-04-06 , 08:45
Posts: 102 | Thanked: 9 times | Joined on Feb 2010 @ Wellingborough, UK
#1206
Originally Posted by biggzy View Post
On Device Flashing.

Download one of the kernels below and place it on root of the mass memory, otherwise known as MyDocs.

700mhz

750mhz

800mhz

825mhz

900mhz

Run X Term and become root, then type fiasco-image-update /home/user/MyDocs/zImagexxx.fiasco

Replace the xxx with correct mhz number, e.g. if your flashing the 800mhz you need to type fiasco-image-update /home/user/MyDocs/zImage800.fiasco

Remember X Term is case sensitive.

Once done please reboot.

This worked for me running PR1.1

If you want to return to the stock kernel then open X Terminal and become root, then use the following command apt-get --reinstall install kernel kernel-flasher and reboot.

What about previous steps, like getting a flasher, or similar?

For noobs that is, like myself lol.

Thanks,
Ryan
 
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torsen is offline torsen
2010-04-06 , 08:51
Posts: 53 | Thanked: 7 times | Joined on Oct 2007 @ Suffolk
#1207
Originally Posted by RDK View Post
What about previous steps, like getting a flasher, or similar?

For noobs that is, like myself lol.

Thanks,
Ryan
I used the on device fiasco method to clock it up to 900mhz, it took seconds to do and it also retained the 'about' info. Foolproof method, and running nicely so far.
 
BlackDiamond is offline BlackDiamond
2010-04-06 , 08:55
Posts: 61 | Thanked: 21 times | Joined on Jan 2010
#1208
Originally Posted by thearcane View Post
I ran Conky on my stock N900, watched it idle at 250MHz, plugged in the cable, and after it jumped up to 600MHz until I dismissed the connection choice menu it settled on 500MHz. After I disconnected the cable it dropped right back down to 250MHz.

This seems like it could be troublesome with OC, since I usually tend to charge my phone overnight, probably for longer than it needs.
Then use the AC Adapter instead of plugging it in your computer...
 
tamas2001 is offline tamas2001
2010-04-06 , 08:57
Posts: 6 | Thanked: 8 times | Joined on Apr 2010 @ Hungary
#1209
Originally Posted by apolkosnik View Post
Flashed mine to 900MHz, and adjusted /etc/pmconfig (with SmartReflex on)... after the reboot I've got corrupted animation and reboot loop. USB flash to 800 remediated the issue :-) Great stuff!
"SmartReflex on" could be maybe the reason for unexpected reboot... At least many person has such issue even with stock kernel.

Question to the Overclocker's community:

what is your experience with any OC kernel + "smartreflex enabled"?
is it working fine somewhere?
 
Zhiyi is offline Zhiyi
2010-04-06 , 09:01
Posts: 1 | Thanked: 0 times | Joined on Apr 2010
#1210
Is it possible to update to PR1.2 after overclock? OTA? How can you go back to the standard settings??? Just use the 600mhz file???
 
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