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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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nokian-series is offline nokian-series
2010-04-10 , 13:37
Posts: 169 | Thanked: 41 times | Joined on Apr 2010 @ Portugal
#2101
Hi all.
I've a question\sugestion, to improve that 125-XXX'X' Kernels.
So, what about we can have a, for exemple, (125)250-900 Mhz ?

The 125 Mhz only will be used when the screen is off, phone iddle, screen locket! When it gets up..it goes to 250 Mhz!

Is this possible?
This will make that 125-XXX'x' kernels a bit of perfection!

Regards
 
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debernardis is offline debernardis
2010-04-10 , 13:47
Posts: 2,142 | Thanked: 2,054 times | Joined on Dec 2006 @ Sicily
#2102
Originally Posted by Jokah View Post
Then I started check dmesg regularly and I run into this bug:
WARNING: at /home/builder2/maemo-fremantle-armel-extras-devel/work/kernel-maemo-2.6.28/arch/arm/mach-omap2/clock34xx.c:443 omap3_noncore_dpll_set_rate+0x28c/0x2dc()
In my hands it shows with Lehto's kernel at 800 and 1000 MHz (1000-800-250-ulv) and 1100 MHz (1100-800-250-ulv) but not 900/500/125 MHz (non-ulv), and with Titan's kernel (ulv) at 800 and 850 MHz but not at 810 MHz.

So my guess is that the kernel likes MHz values divisible by 3 (i.e. 810 and 900) and warns for speeds which aren't a mutiple of 3.
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Last edited by debernardis; 2010-04-10 at 14:12.
 
Jokah is offline Jokah
2010-04-10 , 14:00
Posts: 53 | Thanked: 8 times | Joined on Apr 2010 @ Switzerland
#2103
Originally Posted by debernardis View Post
In my hands it shows with Lehto's kernel at 800 and 1000 MHz but not 900 MHz, and with Titan's kernel at 800 and 850 MHz but not at 810 MHz.

So my guess is that the kernel likes MHz values divisible by 3 (i.e. 810 and 900) and warns for speeds which aren't a mutiple of 3.
The 810 result you got it with the default -maemo20 kernel or with the LV or ULV version? please specify always with which kernel (standard, lv, ulv) you get the results.
 

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instigator is offline instigator
2010-04-10 , 14:08
Posts: 118 | Thanked: 18 times | Joined on Dec 2007 @ Mississauga, ON Canada
#2104
Am I the only one here not able to boot using Lehto's ULV kernel's? Cannot boot using either one. All other standard kernels are working, just not the ULV's.

Any tips to get these going?
 
baron von bubba is offline baron von bubba
2010-04-10 , 14:14
Posts: 255 | Thanked: 109 times | Joined on Dec 2009
#2105
Originally Posted by instigator View Post
Am I the only one here not able to boot using Lehto's ULV kernel's? Cannot boot using either one. All other standard kernels are working, just not the ULV's.

Any tips to get these going?
try reading page 187.
it may or may not help.
 
titan is offline titan
2010-04-10 , 14:14
Posts: 946 | Thanked: 1,650 times | Joined on Oct 2009 @ Germany
#2106
Just ignore the warning. I occurs whenever the kernel changes to 800Mhz, both with Letho's and my older kernels. My latest kernels (not the one in extras*) use 810 instead of 800 and the warning does not longer show up.

The reset of 125->250 by the phone is still an issue and I'll try another workaround soon.
for now, you manually have to set it back for 124999 after every phone call.
 
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jaeezzy is offline jaeezzy
2010-04-10 , 14:16
Posts: 664 | Thanked: 160 times | Joined on Jul 2008 @ Australia
#2107
sorry for this out of nowhere one but what DSP does ulv kernel-maemo20 of yours using, titan? 810 is so far stable for me and 850 lil like a heater for my device, however I came across this issue while in 810 but not sure whose fault it was enna was opened and I was browsing TMO at the same time and there was no way text fields/areas in the browser grabbing focus unless I closed enna. I guess its enna.
 
breakthru is offline breakthru
2010-04-10 , 14:22
Posts: 14 | Thanked: 5 times | Joined on Mar 2010
#2108
Originally Posted by titan View Post
Just ignore the warning. I occurs whenever the kernel changes to 800Mhz, both with Letho's and my older kernels. My latest kernels (not the one in extras*) use 810 instead of 800 and the warning does not longer show up.

The reset of 125->250 by the phone is still an issue and I'll try another workaround soon.
for now, you manually have to set it back for 124999 after every phone call.
I've had my first crash with your ULV kernel at 810MHz. I had run both your and Letho's earlier kernels at 900MHz without stability problems but apparently my unit didn't like the lower voltage at 810MHz.

Anyway, I switched back to 750MHz through pmconfig and it seems to be working problem-free for now...
 
gabby131 is offline gabby131
2010-04-10 , 14:27
Posts: 1,729 | Thanked: 388 times | Joined on Jan 2010 @ Canada
#2109
Originally Posted by Dirkjl View Post
Anyone have an idea why flasher is saying this to me when i want to flash the kernel:

Suitable USB Device not found, waiting

help

im using this command:

flasher-3.5.exe -k zImage-900mhz -f -R
that happens to me when i use windows vista and win7
 
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Ronaldo is offline Ronaldo
2010-04-10 , 14:28
Posts: 682 | Thanked: 208 times | Joined on Jan 2010 @ UK
#2110
the command is

flasher-3.5 -k zImage-900mhz -f -R

NOT

flasher-3.5.exe -k zImage-900mhz -f -R
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