Re: Overclock the N900?
 

Command:
sudo gainroot Touch the Phone
if hot - Close some applications and flash your kernel back to stock.
if cold/normal loop command and :D

Re: Overclock the N900?
 

@new_bee
The driver that windows xp should look for is update mode, not boot rom, boot rom is what appears when its starts up, but its not the mode you want the phone to be in.

Note: Make sure you have flasher program installed before plugging in phone because the flasher program contains the drivers. Also make sure you hold down "u" key on phone keyboard, not PC keyboard.

1. Shut the phone down completely.
2. Press and hold the "u" key on the keyboard of the phone, not the pc.
3. keep holding down the "u" key while connecting usb cable
4. In winXP the driver prompt should come up, actually two of them will. One is for the boot rom mode, the other is for the Update mode.
5. After XP stops making noises associated with plugging in and unplugging usb devices, then let go of the "u" key on the phone. In total should only really hold u key for like 10secs or so max.
6.Make sure the phone has dark screen and USB logo in top right
7. Go through the windows xp prompts for drivers, one will come up with no driver found just click ok or finish or wtv. The other prompt will find a Nokia BB5 something or another driver, and it will install correctly.
8. all you have to do now is just run the flasher program.

If you need anymore help, let me know.

Re: Overclock the N900?
 

wait a minute. so the heat sensor we get that reading off is really just for the sensor near the battery!!! unless someone can figure out how to get a CPU heat reading you will have no luck.

this is still handy for a weather temp reading anyway :D

Re: Overclock the N900?
 

after rebooting my phone my desktop heat widget is showing -40??? i m running at 900 mhz

Re: Overclock the N900?
 

lol it will change

Re: Overclock the N900?
 

yeh i did after a while. now showing 27...


thanks for the guide "ionstrom3".

me going to sleep. will c how my phone behaves tomorrow in real life.

Re: Overclock the N900?
 

I would recommend you to not let people rely / use that widget in relation to the overclocking. :cool:
Maybe it's better to remove it from that post as it definitely is not an accurate measure of cpu temp.
(I already tried it with DCEW before your post also but it didn't work so I didn't post it up. Wish it worked!)

Re: Overclock the N900?
 

Mine too was always showing -40. I powered down my device and stuck it in the refridgerator for a couple hours. When I restarted it and ran the cat command it returned "5" :D I reran the command about once per second, and the output was climbing fast in realtime, so yes, it is dynamic.

Re: Overclock the N900?
 

It actually seems that iPad is running the same single Cortex-A8 core, although clocked into 1 GHz and probably fabricated using 45 nm process. This is just speculation, but for example the Sunspider test is 1/1 comparable to 3GS (10475/17360=0.603).

So overclocked N900 is pretty much on par with iPad, although the comparsion is pretty dumb as it's a completely different kind of vechile.

Second thing - the Snapdragon. According to a Swedish Android site (http://www.swedroid.se/test-av-acer-liquid-s100) A8 @ 550MHz is faster than Snapdragon @768 MHz. For example BenchmarkPi gives 5500 ms for OMAP3430, and 8300 ms for QSD8250.

It might be a software issue, maybe also related to memory bus or speeds, but in general it seems that for MHz per MHz Cortex-A8 is indeed faster than Snapdragon. Even though the cores share a somewhat similar architecture.

And that makes an overclocked N900 pretty much the fastest smartphone on Earth. :D

Re: Overclock the N900?
 

Could the temp reading be tjunction?

Re: Overclock the N900?
 

My device has something called 'fiasco-image-update' and the help text says that the parameters are:

This doesn't align with what Matan says...

Re: Overclock the N900?
 

This is where mine's sitting at, idle:

Then I fired up HopBeat's Sheep game. Temperature instantly jumped up to 32 and stayed there. I then started playing a movie. Again, temp stayed at 32.

htop shows 40% CPU usage while playing the video, but (obviously), won't tell me @ what speed the CPU is being used 40%.


I am not concerned in the least bit.

Mine isn't warm, at all.

Re: Overclock the N900?
 

It seems that the fiasco-flasher is only available in PR1.0

http://maemo.org/packages/view/fiasco-flasher/

Is it save to install it on 1.1 ?

Re: Overclock the N900?
 

Flasher 3.5 will work on 1.1 just fine.

Re: Overclock the N900?
 

Yes, I know :)

But the fiasco-flasher is an on-device flashing tool, qole is talking about.
Some guys seem to have it on their device to flash the kernel without the need to use an pc.
But I haven't it on my device with PR1.1 Global FW.

Re: Overclock the N900?
 

just flashed 125-800mhz

first things i noticed....

1. huge speed incrase
2. funny smell
3. smoke
4. OMG FIRE^^

naahh .... just kidding.... everything is fine .... just faster....

thx 4 that one

Re: Overclock the N900?
 

About the idling issue, running 900/500 here:
That's 9.8%, 0.2%, 3.8%, 0.5% and 95%, respectively. Measured after reboot and idling for a little while, no apps running. Looks very cool :cool: Enable 2G mode, kill WiFi module and you'll get more than 7 days of pure standby time! (I got just 7 days with stock kernel a month ago!)

Someone mentioned that 2G radio was not working. I just made a quick test call in 2G mode, and it worked just fine. Also, a call was made in 3G mode, and it also worked fine. (Also, during this test I noticed that using 3G radio does not cause static into my speakers! Woo!)

Menus run very smooth now. Just as it should be, IMHO!

No difference on Angry Birds, but Bounce Evolution appears to run smoother now...

No heating up. I've been playing some videos here, and the device doesn't get noticeably warmer with 900/500 kernel than the stock kernel...

The most noticeable boost is in Application Manager. It no longer thinks "too long", but feels a lot snappier. And MicroB is now even more awesome! Hey, I think I'll try Firefox now ;)

The firmware problem I read before flashing, so when PR1.2 hits the shelves I'll just reflash the whole dang.

Finally, a big thanks to Lehto for tweaking the kernel!

Re: Overclock the N900?
 

I have used it on my device with the latest firmware and it works fine. I have never installed it mysef so the reason why I have it must be that it wasn't removed in my firmware updates (I have always just done OTA updates which might explain this).

On my device I also have a /usr/bin/flasher which might do the same job, but I am not sure since I haven't tried it (the fiasco-flasher is found in /usr/sbin/fiasco-flasher).
.

Re: Overclock the N900?
 

I belief that's the point :(

See changelog :
http://repository.maemo.org/stable/5...t_changes.html

Re: Overclock the N900?
 

Interesting, does this mean OTA does not remove packages ? That’s a good recipe for cruft... Anyway, is fiasco-flasher redistributable or not ? The actual licensing info conveniently gets killed by docpurge.

Re: Overclock the N900?
 

this how to flash a kernel on-device (without USB/flasher 3.5):

1. you have self-compiled /path/zImage (with it's modules installed)
2. package sdk-fiasco-gen from SDK is installed
3. fiasco-gen -o /path/zImage.fiasco -g -k /path/zImage
4. /sbin/fiasco-image-update /path/zImage.fiasco

Re: Overclock the N900?
 

Has anyone test the 125-900 kernel with 1 hour continious use of gps or psx4all emulator.

Also is it true , that after the modded kernel the nokia software
updates are not recognised and you have to do it manually , through flasher

Re: Overclock the N900?
 

Now on Engadget too: http://www.engadget.com/2010/04/05/n...solescence-vi/

Re: Overclock the N900?
 

Hello everyone!

I've been running the 900 kernel for 12 hours with no issues. This fracking awesome, thanks Lehto!

My java test showed 11513 +/- 8.4% on the Fennec nightly build.

Could we maybe integrate this with the extra-devel kernel that allows for ext4 and such? would be awesome ;P

Will probably be sticking at 800 until we get longer term testing going at higher clock speeds.

Regards,

Vlad

www.nistor.co.uk

Re: Overclock the N900?
 

would be nice if we could clock this device equal or faster than the next meego nokia device :D

Re: Overclock the N900?
 

If I overclock the N900 then I'll void the warranty right?
I think my N900 is one of those units which microUSB plug will de-tach after some time. My N900 is bought in the beginning of December... Won't the warranty fix the USB plug if I have overclocked the N900, even the overclock doesn't break anything? If I somehow can flash the stock kernel back, how can Nokia know the N900 has been overclocked?

Re: Overclock the N900?
 

Can anybody verify this?

For those who have overclock their device, can you try to connect to PC-Suite or NSU, see if it able to detect your phone/device?

Thanks in advance!

Re: Overclock the N900?
 

If anyone is keeping a list of users tricked into this, add me to it. I'm in the cautious 800 mhz group. All seems well so far.

Re: Overclock the N900?
 

I have no issue connecting to PC Suite. Even using it to transfer files from phone to PC

Hope it helps

Re: Overclock the N900?
 

Tested, works. :)

Re: Overclock the N900?
 

My Results @ 1000/480 (cpu/dsp)
- Takes 22 seconds from poweron till bootvid starts playing.
- TweeGo login screen comes up within 5 seconds of launch.

Fennec Nightly Build Browser
- SunSpider = 10479.6ms +/- 7.3% (over wifi)
- Jsbenchmark = 40 (over wifi - best out of 10 goes)

MicroB Browser
- SunSpider = 22710.4ms +/- 2.1% (over wifi)
- Jsbenchmark = 28 (over wifi - best out of 10 goes)

Re: Overclock the N900?
 

Iv just loaded the stock kernel back onto my device via apt-get but in settings>about it still shows unknown? iv flashed back to 750mhz now tho as the stock is slow after using the new 1s lol, is there anyway to have the info return in the about?

Re: Overclock the N900?
 

Thanks xgrind and zlatokosi~

Re: Overclock the N900?
 

Hi all.

This is my first post here. I'm no linux guru but..

You can easily adjust the frequency using the command line by adjusting the automatic frequency scaler.

Example:

echo 500000 > /sys/devices/system/cpu/cpu0/cpufreq/scaling_max_freq

This will give you 500mhz max.

This can be helpful if you have a 900mhz kernel but you want to save battery and/or CPU life.

You can also use other values used in the kernel (example for 900mhz kernel: 125000, 250000, 500000, 550000, 900000)


:)

Re: Overclock the N900?
 

Probably a full re-flash inc. kernel would get the phone data back, I'm kind of more interested in how some of the users managed to keep the phone info intact after flashing the o/c'ed kernel...

Re: Overclock the N900?
 

If increasing the clock speed increases the temperature inside the phone, the signal to noise ratio in the GSM receiver will decrease, as the thermal noise level will increase.

Re: Overclock the N900?
 

Is this adjusting the clock at runtime? If yes, does it mean even with stock kernel, we can adjust to higher clock speed?

If yes, then someone could create a widget or something like the brightness applet, for owner to adjust the clock by simple touch. So, it can be adjust base on demand.
Example: when there's need for more processing power, just tap to higher clock speed.
After using, tap back to stock clock speed or lower.
(Something like the clock speed adjustment for PSP CFW).

Re: Overclock the N900?
 

No, you can only adjust the speed within the range set in the kernel.

Re: Overclock the N900?
 

Yes, but set a Kernel at max 1ghz and set a default value at 600 and we´re off to go!

Re: Overclock the N900?
 

I have uploaded a new experimental community kernel that supports 250,500,550,600,700,750,800,850,900,1000MHz, but keeps the default max. at stable 600MHz.
You can manually increase the limit without reflashing until your device fries :)
more details http://talk.maemo.org/showpost.php?p...&postcount=115