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n900 and overclocking

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ceroberts75
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PostPosted: Sunday, 04.Apr.2010 05:07    Post subject: n900 and overclocking   Reply with quote   

i have been rwading about others over-clocking thier Nopp's to 900mhz.

has ae done it?

can you explain how?
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ceroberts75
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PostPosted: Sunday, 04.Apr.2010 09:54    Post subject:   Reply with quote   

just OCed my n900 to 900mhz!

works much faster.

noticed:

-smoother scrolling in contacts, messaging, phone list, web pages
-faster rendering of web pages with micro-b
-smoother scrolling between the 4 desktops (mine are pretty full with icons and widgets)
-much faster rendering when tapping the contacts, email, calendar, conversations icons!!! MUCH FASTER RENDERING!
-faster, smoother scrolling through pictures, and again, faster rendering wehn tapping on the icon.




OVER-ALL, THIS UNIT, FAST BEFORE, NOW CAN MOVE ABOUT AS FAST AS I CAN TAP!



USE AT OWN RISK.
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ceroberts75
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PostPosted: Sunday, 04.Apr.2010 10:32    Post subject:   Reply with quote   

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dannycamps
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PostPosted: Sunday, 04.Apr.2010 13:45    Post subject:   Reply with quote   

Hi ceroberts,

I've been following this thread on the TMO forum as well. I have two questions for you.

1. If you flash do you need to then reload all of your programs from backup?

2. Any adverse affect on battery life that you can tell?

Thanks,
-Daniel
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fixfox
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PostPosted: Sunday, 04.Apr.2010 13:49    Post subject:   Reply with quote   

dannycamps wrote:
Hi ceroberts,

I've been following this thread on the TMO forum as well. I have two questions for you.

1. If you flash do you need to then reload all of your programs from backup?

2. Any adverse affect on battery life that you can tell?

Thanks,
-Daniel


I've been running for 22hrs up-time @ 900Mhz

No noticeable adverse effects on battery.

No reloading of programs required... only replaces the kernel.
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ceroberts75
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PostPosted: Sunday, 04.Apr.2010 17:07    Post subject:   Reply with quote   

fixfox wrote:
[...]


I've been running for 22hrs up-time @ 900Mhz

No noticeable adverse effects on battery.

No reloading of programs required... only replaces the kernel.




exactly.

i didnt know either, so i made sure i creatted a fresh back up first anyway.

all is still going fine. it didnt change anything except the kernal.
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pvanbeek
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PostPosted: Sunday, 04.Apr.2010 22:33    Post subject:   Reply with quote   

I see you have 227MB of Rootfs free, is that side effect of this kernel or did you do some optimising?
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ceroberts75
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PostPosted: Monday, 05.Apr.2010 00:13    Post subject:   Reply with quote   

ok. had it running on 900mhz for 11.5 hours.

was off the charger since 830am and battery died at 3pm. so 7.5 hours on 3g the whole time, listened to one cd, talked about 65 minutes, email was updating 6 email addresses every 15 minutes, took notes at church, browsed the internet and responded to posts on a couple blogs, bluetooth running almost the whole time too.

did not crash at all.

overall, battery is good. i usually only get 4-6 hours on the batteries.
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Michal Jerz
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PostPosted: Monday, 05.Apr.2010 11:33    Post subject:   Reply with quote   

Does it still slow down the CPU clock when idle or is it permanently at 900 MHz?
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ceroberts75
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PostPosted: Monday, 05.Apr.2010 18:03    Post subject:   Reply with quote   

it idles as low as 125mhz.

it only spikes to the 900 when needed.
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jamesobooth
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PostPosted: Monday, 05.Apr.2010 19:43    Post subject:   Reply with quote   

Sweet Jezuz!
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ceroberts75
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PostPosted: Monday, 05.Apr.2010 19:51    Post subject:   Reply with quote   

also, now that i have had it well over 24 hours and have used 3 batteries ( i use a battery until it dies and in the evening, swap them out to charge completely, then go to bed with one charging)

heat is the same as before, so this is good.

still same heat when on the phone. this is normal

my phone is locked to 3g the entire time, and a lot of wifi (g) yesterday and today.

battery is supprisingly a tad longer IMO. i will have a better idea after the next couple of days.

phone is MUCH snappier and boots MUCH quicker as well.

when i tap my calendar, it used to have to "load" my data and take a few seconds. when i tap it now, it blinks open and is loaded

...same with my contacts (i have 1035 contacts, with most of them w/pictures)

...same with my email...just a little delay now because it is updating 5 imap4 and 1 pop3 email when opening...but after the first opening from boot up is instant (i really wish it would cache what was synced last until next sync, hope this is fixed because it is really annoying)

...same with my conversations....used to "load" now snaps open.
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BentL
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PostPosted: Tuesday, 06.Apr.2010 10:07    Post subject:   Reply with quote   

ceroberts75 wrote:
battery is supprisingly a tad longer IMO. i will have a better idea after the next couple of days.

This should not be surprising due to the following:

ceroberts75 wrote:
it idles as low as 125mhz.

With the normal kernel, it idles at 250 MHz. So it consumes less power with the new lernel most of the time when not used.

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Bent Laursen
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Dr. Nitun
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PostPosted: Tuesday, 06.Apr.2010 13:45    Post subject:   Reply with quote   

Ceroberts75,

Can you write a step-by-step procedure on how to overclock our units por favor? Remember, there are some like me whom have no idea what Linux is (other than how to spell it properly). What I gathered so far is we do not need to reflash our phones, just updating the kernal. But I will make a backup just in case.
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BentL
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PostPosted: Tuesday, 06.Apr.2010 14:03    Post subject:   Reply with quote   

See the following post for step-by-step procedure:

http://talk.maemo.org/showpost.php?p=595582&postcount=774

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