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Overcloking

Is anyone else having an issue with custom kernels? My Tbolt only seems to run on the stock kernel/voltage. When I flash an oc kernel sometimes it will load and then freeze the system.
Sent from my ADR6400L using XDA App

All phones are NOT created equally. Your phone may just not be able to handle it while others could.

I realize every cpu used is not the same and can't handle being overclocked to the max, but come on, I can't overclock it at all without it freezing shortly after the Rom starting. Don't you think that's a little out of the ordinary?
Sent from my rooted Tbolt.

I seem to be able to run speeds up to 1.8 or so without issues. Something I'm noticing is even with higher speeds, being on the smart-ass setting still isn't baby butt smooth consistently. I know they are still fine tuning it. I can run at a much lower clock speed while set to on-demand and get great results. How it is on battery life? Still testing. I'm using Ziggy's latest from this evening, BFS.

Yeah that does sound kinda sketchy. Which kernels have you tried? Have you tried running one that wasn't undervolted? I've heard people having issues with the UV kernels.

Wkd1 said:
I seem to be able to run speeds up to 1.8 or so without issues. Something I'm noticing is even with higher speeds, being on the smart-ass setting still isn't baby butt smooth consistently. I know they are still fine tuning it. I can run at a much lower clock speed while set to on-demand and get great results. How it is on battery life? Still testing. I'm using Ziggy's latest from this evening, BFS.
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I know what you mean. I had the 1.2 GHz uv kernel from adrenalyne and the phone ran like crap. What's the point of over clocking if real world results are worse. Smart-Ass would stutter while it was ramping up and gun bros ran like crap until I reverted back to the stock kernel.
I'm hoping somebody makes an OC kernel that isn't under volted.
Sent from my HTC Thunderbolt using Tapatalk.

I'm running Imoseyon's version 3 of the lean kernal, 1.4 ghz, undervolted. it seems much faster and more responsive, and has yet to cause me any problems. Right now I'm running on 20 hours off the charger with 45% battery life left (extended battery, so assuming stock would last around 9 hours).

The only kernel that works for me is adrenaline's 2.6.32.21 battery is life kernel. I've tried his other kernels, imoseyon's lean kernels, and a few others all with the same result of freezing up the Tbolt.
Sent from my rooted Tbolt.

Have you tried adrenalynes newest kernel? I'm using version 4 right now with no problems.

Yeah, another vote for Adrenalyne's kernels here.
I'm running the version 4c, and it's flawless on my phone. (4b locked up at higher speeds.) But the other tweaks he threw in there kick ass. Louder audio, faster charging and, I think, most significant, a potential fix for the GPS issues a lot of people are experiencing. Granted, mine was not too bad -- I could usually get a lock within a minute or two, but now it's locking in under ten seconds.
Can't quite comment on the battery life yet, but it's probably pretty damn good, especially with a minimal overclock or even staying at 1Ghz.

Running one of Ziggy's...so far so good...

I ran Drod's 1.5 kernel with no problems overclocking. When I switched over to Ziggy's or Adrynalyne's overclock kernels, I am unable to overclock with out my phone freezing and going into constant boot loops. Kinda weird but I have no real need to OC so I just went with Adrynalyne's stock kernel and been fine ever since.

About CPU

Hi. My question us what CPU speed can I use before the desire s takes damage? Thanks
Sent from my HTC Desire S using XDA Premium App

Would not go over 1200mhz for general use but in the end it comes down to heat and chip quality. Some chips will run faster and produce less heat then others, you'll have to test yours! Don't over volt even if it is possible?
That's about all I can give you on the matter.
Sent from my HTC Desire S using XDA App

um... just a quick question... why do You need more power? I mean what for??
n64 and psx emulators - full speed, gameloft's dungeon hunter 2 and rainbow six - smooth as my wifes ass, all the flash movies on web or divx offline - no problem, general use - as good as gingerbread can deliver.
I was thinking about which dual core beast shall I buy and ended up with this pocketable and powerful beauty.
... back to the topic - I wouldn't overclock it over 1.5 ghz, even then only for demanding tasks. battery life would decrease as well and I wouldn't trade that for a bit more fps.

Okay. Thank you guys
Sent from my HTC Desire S using XDA Premium App

bronx said:
um... just a quick question... why do You need more power? I mean what for??
n64 and psx emulators - full speed, gameloft's dungeon hunter 2 and rainbow six - smooth as my wifes ass, all the flash movies on web or divx offline - no problem, general use - as good as gingerbread can deliver.
I was thinking about which dual core beast shall I buy and ended up with this pocketable and powerful beauty.
... back to the topic - I wouldn't overclock it over 1.5 ghz, even then only for demanding tasks. battery life would decrease as well and I wouldn't trade that for a bit more fps.
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Good response, I bought a Desire S recently too and feared the "single core" 1 GHz CPU wouldn't be much faster than my Legend clocked at 768 MHz, after all it is only 232 MHz difference. Couldn't have been more wrong. The phone is a beast.

1.2 ghz is a good speed if you wanna overclock (& also this speed is more than enough)
1.4-1.5 ghz is the limit, anything more than that is very unstable and can cause damage to your cpu

Hey guys. I have a Desire HD. Although they're different phones, i'm sure the internals are almost exactly the same, bar few differences. As such, the cpu should also be the same. I tried out different cpu speeds. I kept my phone at 1.72ghz for a couple of weeks. The phone got pretty hot when using Wifi and such, but didn't get too hot. I'd say the safe point is 1.5ghz but at the stock voltage. Works for me, should work for you guys too I can get 1.7ghz at 1325mv, which is good enough for me I didn't get random crashes etc. My persona highest on this phone was around 2.1 ghz, which was insanely high, the phone was super fast, but got hot blazing hot and the phone started flashing orange led lights and then shut down for like 10 minutes straight. I thought it was gone but...nope, was lucky thank god LOL
Always be careful. If you have insurance, then go ahead and by all means clock the hell out of it if you don't mind a decrease in battery life. But if you have no insurance, and bought it sim-free...i'd suggest 1.3ghz...better be safe than sorry, wouldn't you agree?

the phone started flashing orange led lights and then shut down for like 10 minutes straight. I thought it was gone but...nope, was lucky thank god LOL
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Haha, bet that was a ball-shrinking moment. Made me laugh reading it.
But seriously, considering the potential damage & the native performance of the DS you wouldn't want to go crazy really.
Sent from my HTC Desire S

Hi!
I succesfully overclocked my DS to 1,5GHz(first to 1,3GHz, than to 1,4GHz), and it's fully stable with stock voltages. I use virtuous unity 1.29.0, and tweaked the built in OC daemon. Tested with stability test v1.5, and no problems after 30 minutes. Temperature is around 40 C(plugged in, charging, and running stability test).
What do you think, can I use it for 24/7? The temperatures are not high, and the phone is rock stable, so is it safe?
Thanks for answer.

ffodi said:
Hi!
I succesfully overclocked my DS to 1,5GHz(first to 1,3GHz, than to 1,4GHz), and it's fully stable with stock voltages. I use virtuous unity 1.29.0, and tweaked the built in OC daemon. Tested with stability test v1.5, and no problems after 30 minutes. Temperature is around 40 C(plugged in, charging, and running stability test).
What do you think, can I use it for 24/7? The temperatures are not high, and the phone is rock stable, so is it safe?
Thanks for answer.
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why do you need to run it on 1.5ghz? it is very fast at 1.2ghz
& also 1.5ghz will consume more battery & if you put some load on the cpu like a little gaming or a lot of browsing it can get heated up
overclocking more than necessary isnt good as there can be hidden damage to the chip(even if the processor doesn't get heated up)
read post #3 here
so always go easy on the overclocking

kartkk said:
why do you need to run it on 1.5ghz? it is very fast at 1.2ghz
& also 1.5ghz will consume more battery & if you put some load on the cpu like a little gaming or a lot of browsing it can get heated up
overclocking more than necessary isnt good as there can be hidden damage to the chip(even if the processor doesn't get heated up)
read post #3 here
so always go easy on the overclocking
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Thanks for the answer! I overclocked it to 1,5GHz becouse I like it if everything is fast as lightning.
I know it can consume more battery, but it's not a problem for me.
I've read that post, it's useful thanks, but i think if everything is on stock voltage it cant hurt the cpu. I overclock my desktop rig also since ~15 years, and never had problems with that. I know that it's not the same, but I hope there will be no problems with that.

Thoughts on OverClocking Sensation

Hey guys,
Ive been using SetCPU since it was fixed for the sensation. I am curious about what others have observed as far as battery life and performance goes.
I am running 1.8Ghz with a cpu voltage of 1.265V (1265000uV).
My battery doesnt last all that long despite all the profiles I have in place. I guess thats expected when you overclock by that much, huh? Is it worth it though?
Im sure more of you out there have experience to share. Im not talking Quadrant and benchmark scores, Im talking REAL use!
I am beginning to feel that dropping the frequency down may be in order since I cannot find anything that needs 1.8Ghz to work on this phone. Plus, less frequency means less required voltage. That would mean more battery!
Anyone care to chime in with their overclock frequency + voltage and experience?
Matt

I'm also interested in getting some input from other users, without having to clog up the respective overclocking threads in the Development section.
Yesterday after work, I set up the 1.5Ghz Undervolted option using utking's tool (http://forum.xda-developers.com/showthread.php?t=1168707). I didn't see too much need to push my CPU too hard, and a stable UV always piques my interest.
I created a couple of basic SetCPU profiles (screen off, battery below 20%, temperature < 50C), and scaling on demand up to 1512Mhz, my phone took about another 7-8 hours of moderately heavy use (Navigation, Maps, Yelp, photos, etc.) before it was on its last legs.
Bear in mind that I've been using the Anker 1900mAh battery. But even after the OC-UV that I set up, this was at least as good of battery usage as before without any SetCPU or overclocking, and actually seemed to be a little bit better to be honest.

I just dropped down to 1.6Ghz @ 1.26V...
I couldn't keep my phone from freezing with anything less than 1.26V @ 1.6Ghz. We will see how this goes for a few days and compare to my previous 1.8Ghz @ 1.265V.
So far, speed seems to be FASTER than 1.8Ghz. My Quadrant score (only being used here for comparison reasons) was 2700 right off the bat, whereas 1.8Ghz would peak around 2700-2800 after several tries.
The carousel works much better! I can swipe through quickly and have it scroll with zero lag. I can also fast swipe and watch is spin nicely!
Google Earth and Maps is about the same as 1.8Ghz.
Before, at 1.8Ghz, I could probably get 16 hours out of my phone with VERY LIGHT use. (A few 2min phone calls, check mail throughout the day, check the web a little). I am charging the phone up and will report back later.
Matt

I went down from 1.62 UV to 1.5 UV,because I could not see any difference in general use nad in benchmarks(except Quadrant) and battery consumption is much bigger with 1.62 with exact same profiles on setCpu.I think that this is best compromise between speed and battery life and as far as I know this is native clock speed of 8260 Snapdragon.

mrg02d said:
I just dropped down to 1.6Ghz @ 1.26V...
I couldn't keep my phone from freezing with anything less than 1.26V @ 1.6Ghz. We will see how this goes for a few days and compare to my previous 1.8Ghz @ 1.265V.
So far, speed seems to be FASTER than 1.8Ghz. My Quadrant score (only being used here for comparison reasons) was 2700 right off the bat, whereas 1.8Ghz would peak around 2700-2800 after several tries.
The carousel works much better! I can swipe through quickly and have it scroll with zero lag. I can also fast swipe and watch is spin nicely!
Google Earth and Maps is about the same as 1.8Ghz.
Before, at 1.8Ghz, I could probably get 16 hours out of my phone with VERY LIGHT use. (A few 2min phone calls, check mail throughout the day, check the web a little). I am charging the phone up and will report back later.
Matt
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How simple is it to temp-root and overclock? I am really only interested in overclocking to speed up Sense, and you said it performs better with a speed boost.
Sent from my HTC Sensation 4G using XDA Premium App

Very,very easy,just read this tread :http://forum.xda-developers.com/showthread.php?t=1168707

I have mine undervolted at VDD_1175000 and 1500MHz. I like it very much...makes a big difference in quadarant score, but not sure in reality how much faster. Battery life is fine (when the phone is on). Have not experiened FC's
I have modified eugenes batch file to push my kernel file and preferred speed after perma-temp-root and now is all in one click...

So here is a little update:
Its been about 8 hours since full charge and I am at 55% battery left.
1.6Ghz @ 1.26V, On Demand.
Ive been checking email, making a few calls, and surfing the net with both wifi and GPRS (was out of the network, away from 4G). I also played Angry birds for a little bit and showed off Google Maps and Earth to my Mom.
Now that Im back home, ive turned back on 4G...
Ive noticed a slight amount of hesitation while opening and closing things, but nothing bad.
I havent had any profiles kick in yet, but they will soon with the battery getting low. I will resist charging the phone and see if I make it through the night, using it as I need it. I will report tomorrow.
Matt

I must be doing something wrong.
I am rooted and running LeeDriods 1.2 Rom. When I launch setcpu the only options i have are 1000 mghz? WTF am i doing wrong?

i think at LeeDroid 1.2 you must not use setcpu but Demon control?

BigBoppa said:
i think at LeeDroid 1.2 you must not use setcpu but Demon control?
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Hmmm, okay. I saw where set cpu was updated for the sensation in the latest release but it doesn't seem to support overclocking with this rom.

Shame that as i was about to get that rom and flash it onto my phone, glad i came in here now
Running Leedroid 1.0
Kernel @ 1.7ghz max, i have it set to 1.5ghz and 192mhz
Runs hot when i play finger racing or reckless racing or modern combat 2 or something intensive, but besides the heat, it drains just like it normally would to be honest, maybe a little quicker, definite speed increase in overall user experience, without an OC the rom just flops, better than stock but just crap, OC is needed.

[Q] Overclocking cm7 to 1600 Mhz

So overclocking cm7 to 1600 doesnt work and causes boot loops, i have been trying to get a kernel that would do it and i cant find one.
anyone know any kernels that work?

Only kernal for cm7 is the one that is with it no other kernals are compatible as for 1600 some phones run fine at 1600 others don't just depends on your CPU in your phone
Sent from my SGH-I997 using xda premium

^^^ what he said ^^^
my cappy was maginally stable @ 1300 within a very narrow voltage range. my infuse runs 100% @ 1664 with a ton of uv untill i turn on gps and everything starts to get warm. every cpu is different.
most infuses seem to be a higher test cpu than galaxy s phones though. you may be able to run at 1500 or better if you take a lot of time and figure out what the cpu likes and doesnt like. remember heat, uv and rapid voltage change can all cause instability so too much uv can cause problems as well as too little! to get maximum speed you may want keep the top few freq's at the same voltage (not the same uv but the same actual voltage) and have zero uv on the low freq's. it can be a pain to figure it all out but when you see the benchmarks you may think it was worth it.

ok well i kinda messed around with the overclocking built in and was messing with the type of governors and userspace seems to support over clocking on 1600.
really weird but my phone hasnt done the boot loop yet.
but thanks for your guy's help.

I set mine at 1600 last night via SetCPU. After 5 min it got hot and started boot looping. Its running good at 1200 now. I'm gonna bump it up little by little.
Good info, nice to know its "normal".

Honestly, the performance of CM7 outperforms all the other ROMS even running at 1.2GHz (IMO). I really don't see much of a performance increase by stepping up the clock speed, just a decrease in battery life, so it's not worth it to me.

ive talked to many people about this and most can only run at 1.4ghz even though 1.6ghz was stable in froyo. alot of people repeat "it depends on your specific chipset" but i dont buy that cop out. i think theres something wrong with the 1.6ghz setting in cm7.

Using overclocked kernel brings some heating.

Hi all.
Im using SebsstianFM 1.5 GHz kernel on my sensation . It becomes warm and heats my fingers, so I can't resolve is this an issue. I thought before that htc sensation has the same chipset in both xe and non-xe series. Hasn't it?
Perhaps Im unlucky one with the specific cpu or some heating is normal?
Thanks a lot in adv

Every processor is different, some can handle higher clockrates than others. Try underclocking it.

Thanks, I do.
But I'm sad a bit when informed about new Sebastian 1.7 GHz kernel. As for me 1.3 is the far frontier..

garryveda said:
Thanks, I do.
But I'm sad a bit when informed about new Sebastian 1.7 GHz kernel. As for me 1.3 is the far frontier..
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try it without charger for a while, the chips are made for 1512MHz
it can get hot for me when running on 1512 but only with charger

For me 1.5 GHz was OK, only got "hot" when I played 3D games like CS and FIFA, but I Find the 1.35 GHz a bit friendlier for the battery (and at the clock the phone very rarely gets hot).

No prob here with Sebastian's V1.30.1 @1.5ghz yet again all chips handle every frequency in a different manner
Sent from my HTC Sensation Z710e using Tapatalk

How hot is hot? Am using using bricked 1.6 for aosp and I o/c to 1.9 Ghz to run benchmarks. After 10 minutes set at performance my battery hit 80° lol. Good benchmark scores tho.
Daily I use 1.56 Ghz and all is fine, wish I could o/c to 2ghz tho, just for the sound of it
sent from my Sensation XE

I didn't realize installing Sebastian's kernel would overclock me to 1.7GHz. My Senny is cooking over here. Anyone know where I can find the stock kernel? Or should I just slow it with SetCpu?
NVM...found it!

As for mine one it is really hot. Phone got 50 degrees within five using minuites while 1.5 GHz running. Though it is quite cold when used usual way like the calling, messaging etc. But anytime I load it with real tasks like playing 3d games, shoting videos it becomes hot and not suitable to use.
So 1.3 is my top...

Overheating for me is usually because of the app. Poorly built apps can cause overheating. My phone overheats even with the stock HTC 1.2GHz kernel when playing certain games.

Use SetCPU as a govenor to set the processor automaticly back to 1,2 Ghz when overheating.

I guess my processor is one of the luckier ones, I'm getting 1.72GHz under volted with no problems At the end of the day the Sensation was 'designed' to run at 1.22GHz so anything above is a bonus

You should be glad your phone doesnt blow up...as far as i see it, 1.7 ghz speed is so much closer to the netbook laptop processor speeds we get these days. these netbooks come with built-in exhaust fans to avoid heating up of the processor.
The sensation does not have such hardware builting, so its better not to overclock it too much or you might end up with a burnt up phone.

ARHD rom has a stock kernel , U can try it :d

Situation has chanched since I got updated with ARHD 6.5.3. For now I'm using 1.6 SebastianFm kernel with no prob.
Phone is comfortable with its temperature even when hard tasks running.
I don't know whether the new ROM is brilliant or the weather becomes more warm causing not to feel device heating with my fingers.
The fact is that issue has gone and I'm happy