Motorola Droid :: Best Low Voltage Kernel?
Apr 19, 2010
I just installed Cyanogen from DroidMod and while I was at it, I installed the p3 1ghz low voltage kernel. So far, I'm pretty happy. I'm not sure it's been a huuuge battery saver, but I think it's helped. Wifi and bluetooth have been on all day. A few phone calls. Lots of texting and emails. Also some market apps downloaded as well as files transferred on/off. At 8:30 my battery life is at 50%, which is pretty damn good considering how much better that is from strait out of the box on release day.
I'm running 800mhz overclocked, instead of 1ghz to save some power. Should I switch to a different kernel since I'm not even using the 1 ghz slot?
What's the best low voltage kernel for battery life, overclocking included? No need to even bring up stock speeds...
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Nov 2, 2010
what is the purpose of a low voltage kernel?
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May 26, 2010
Assuming I keep CPU speeds the same as stock, is a low voltage kernel going to save my battery life significantly?
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May 11, 2010
With all droid dead where can I find Chevy's low voltage kernel?
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Mar 26, 2010
As usual, these are update.zip format. Rename to update.zip, place on root of sdcard, and install (don't forget to 'allow').
My advice to you, in selecting a kernel, is to #1 try the lowV varieties first. Then select the slowest kernel that exceeds what you expect to run on a day to day basis. So if you plan on running 800-1000, run the 1.0lv kernel.
If for some reason you get stuck on the 'M' while booting, first try switching to the mediumV kernel. If that does not work, back the speed down, say from 1.25 to 1.2, or 1.2, to 1.1, etc.
5-slot Low Voltage
1.0Ghz (125/250/550/800/1000)
1.1Ghz (125/250/550/800/1100)
1.2Ghz (125/250/550/800/1200)
1.25Ghz (125/250/550/800/1250)
5-slot Medium Voltage
1.0Ghz (125/250/550/800/1000)
1.1Ghz (125/250/550/800/1100)
1.2Ghz (125/250/550/800/1200)
1.25Ghz (125/250/550/800/1250)
7-slot Low Voltage
1.0Ghz (125/250/550/700/800/900/1000)
1.1Ghz (125/250/550/800/900/1000/1100)
1.2Ghz (125/250/550/800/1000/1100/1200)
1.25Ghz (125/250/550/800/1000/1100/1250)
7-slot Medium Voltage
1.0Ghz (125/250/550/700/800/900/1000)
1.1Ghz (125/250/550/800/900/1000/1100)
1.2Ghz (125/250/550/800/1000/1100/1200)
1.25Ghz (125/250/550/800/1000/1100/1250)
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Mar 10, 2010
I am thinking of flashing one of them tonight, but wanted to get some feedback from anyone who has been using them. Does wifi tether work? How stable do they seem? Any strange problems/bugs? Any replies are appreciated.
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Mar 24, 2010
I kno usually low voltage kernels are ment to save battery but on some phones can it do the opposite cause I'm trying adamz on low and I feel like I'm burning battery faster without even doin anyything on the phone.So could the low voltage kernel be the cause?
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Jul 27, 2010
Possibly a simple answer to this question -- can the USB charger that ships with the Droid X be used with 220 volts in addition to 110 volts? I am planning to take my Droid X to India and need to figure out if I should plug the charger into a 110/220V travel converter, or if the USB charger is already dual voltage and I'll only need a plug point adapter. The voltage specified on the charger has 240V as the upper range, which leads me to think it should work with 220V.
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Apr 9, 2010
After realizing I can back up e-mail settings and home screens, I updated to the latest Cyogen (just one step). Now I'm putting my kernel back on (Becket) and I noticed there were increased voltage kernels.
I just installed 1.2 low voltage. Hope it runs well.
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Nov 2, 2010
according to the new OC app from (can't remember) anyways playing with the phone, angry birds, radio and browsing facebook I reached temps of 59c. How hot is to hot...?
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Nov 18, 2010
Does anybody know if the new desktop kernel patch written by Mike Galbraith can be applied or modified to be used in the android kernel?
Tiny Linux Kernel Patch Delivers Huge Speed Boost - PCWorld Business Center
I haven't messed around with android kernels yet, but I have applied it to my current Ubuntu 10.10 system and you can see the difference. Its like night & day!
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Aug 7, 2010
Amazon.com: Genuine Motorola Droid P323 Battery Charger System: Electronics Amazon.com: Motorola BP6X A855 Droid OEM 1300mah Standard Battery: Cell Phones & Service Anyone use these 2 items from Amazon? I'd like to get a second battery and an external charger, this seems like a cheap solution while keeping OEM parts. The only thing I'm really questioning is the voltage output of the external charger to the battery. Any way to tell if it will charger correctly? If you know the answer, please provide reasoning.
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May 20, 2010
I currently have bekit 1ghz kernet installed, but I was interested in trying out some other kernels. Can I just install them via Rom Manager over the first kernel? Or is there some kind of uninstall process I should use first?
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Mar 3, 2010
I have vanilla linux kernel version 2.6.27. I want to apply android specific patches and convert it to android linux kernel 2.6.27. Where can a user find the patches to convert a normal vanilla kernel into android kernel?
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Mar 22, 2010
I have several USB-MicroUSB cables (some OEM Motorola, some other brands), several 12 volt-USB converters, several cars, and several devices that accept MicroUSB connection for power. With everything other than my Droid (including a Blackberry and a GPS unit) every combination of cable and 12volt converter works. With the Droid, all of the combinations will turn on the screen (indicating the Droid knows a cable has been connected), but only a few combinations will actually charge the Droid. The only possible explanation I have come up with for this is that the Droid has some sort of minimum current requirement, and that some converter/car/cable combinations are unable to meet this requirement. So, what is the minimum voltage and current that will allow the Droid to charge?
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Mar 5, 2010
What do you think is the best ROM at the moment and why? To qualify as one of the best it must be stable not a stable build but stable that theres not a crazy amount of force close or reboots and no other significant problems. Also post what kernel you are using with it.
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Jul 17, 2010
I am running kangerade and cannot seem to get it running stable using anything above a 1.1Ghz kernel. I see other users on here running the same thing with kernels up to 1.25Ghz.
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Apr 24, 2010
this may not be possible yet but can 2.1 be rooted first of all and second is there a kernel i can replace the original with? I like the cyan roms but i just want the basic 2.1 with an updated 1.2 or 1.1 ghz kernel.
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Mar 4, 2010
1) What is the difference between kernel and a ROM? How do I know what kernel I am on? I know I am running the SholesMod ROM, but I am considering changing to another ROM. I seem to have FC's quite often and am trying to fix that. If I want to change a ROM will I need to change the kernel to make sure they are compatible?
2) I have SP Recovery installed. Is this part of the kernel? Is this installed in a separate place from the kernel/ROM? I'd like to feel assured that if I am installing a new kernel/ROM and something goes wrong, I don't have to worry about my SP Recovery being affected. But should I?...............
3) Nandroid backup... does this include everything on the device? Kernel, ROM, AND Recovery Mode?
I'm a newbie to hacking the Droid, but back in my PSP days, I know that the Recovery mode was stored on the same drive as the system files, and if you make a misstep when flashing a new firmware, you could lose recovery access. I'm just wondering where the recovery is located in the phones file system, and if I should really be concerned when flashing ROMs/kernels. Also, is there any way I could redirect it to load recovery from the memory stick, if the default recovery cannot load, just as a failsafe? Or if I lose recovery, could I somehow flash a new recovery via USB?
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Jul 15, 2010
So I finally rooted my droid, installed BB 0.4 and from what I understand it comes with an 800 MHz kernel. Fair enough but lets say I want 1 GHz. I'm already noticing that I get slightly less battery life with this than with stock 2.1, so would the "low voltage" or "ultra low voltage" Chevy kernels provide me with more battery life? I know I should probably get SetCPU, but I don't want to constantly have to manage clock speeds manually and I don't know what profiles to set / what's safe and what's not safe and whatnot.If I DON'T install SetCPU, will the phone take care of it by itself and slow the clock down when it's not doing intense tasks and so forth? Is SetCPU really necessary with a kernel or is it just for extra control for super power users?
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Sep 28, 2010
Just curious, how does one make / edit a kernel?
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Apr 11, 2010
Right now Im on stock 2.1 rooted. A few little issues I had with other ROMs and overclocking are totally gone which is great. I would like to try some different kernels, however, to see if it was the ROM or just the kernels I was using.
Anyways, how do I get back to the stock kernel if I change to a different one? If I have a recent nandroid, can I just restore one of the partitions? I would like to retain all of my data throughout the process so Id like to avoid doing a full nandroid restore if possible should I have problems and just restore the kernel.
Thanks
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Jun 29, 2010
I want to download the new BB, but after reading that there are some issues with the kernel, wanted to make sure that the one I have works
It says on the about phone screen, Kernel Version: 2.6.29-omap1-bekit-0.8.3-7x1000LV bekriebel@ubuntu #1
I don't even remember what the heck I downloaded, but I am assuming this is one of the 1 Ghz kernels
So, would that work, if it doesn't , I saw on ROM manager a Chevy for Froyo.
What would be the best way to load it, load BB and then the kernel or the other way around.
Don't want to end up in an endless loop that I can't get out of.
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Aug 9, 2010
I had installed lithium mod w/Alternate Dark theme and loved it!!! But it was just more sluggish then Smoked Glass 6.0, which is what i currently have. What kernel do you guys use with Lithium Mod? Maybe slower cuz it used ADW?
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Sep 2, 2010
Where can I find cvpcs's kernel's?
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Jun 11, 2010
I just installed the new BB froyo v.01 and it runs great, no force close or any market / maps issues. I noticed that it is running at 800mhz and I usually run at 1ghz. I tride both bekit LV1ghz and P3Droid LV1ghz and after reboot, I get a red light on the top of the droid and it says that my battery is too low (and my battery is fully charged BTW). My droid reboots after about 20 seconds....rinse repeat...I tried to remove the battery and put it back in, doesn't help.
Has this happened to anyone else?
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Aug 24, 2010
what are your ROM/kernel setups. I'm on a droid 2.2 Bugles beast with 1.1Ghz kernel. cant seem to break the 12.9 mflops. i really want to. any ideas?
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Feb 22, 2010
i want to add this kernel to droidmod 1.0.. using these instructions here http://alldroid.org/viewtopic.php?f=311&t=2463.i see on one of the lines of the mention of busybox..do i need to install this on my phone to do this?
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May 30, 2010
I downloaded and installed Bekit's 1GHz kernel and by default on SetCPU it shows it running at 1000MHz and such.But when I open SetCPU, it shows the bar maxed out at 528MHz with the Min at 245Mhz. And if I try and change it, it reverts the cpu back to 528MHz.I'm going to try another kernel (I checked to make sure I was in fact running Bekit's 1GHz kernel in the about phone), but can anyone explain this?long bench was 762ms, so I'm apt to think it's something with the display and that I am in fact overclocking correctly, yes? UPDATE: Sorry all I just uninstalled and reinstalled SetCPU and this corrected the discrepancy.
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Mar 30, 2010
Does anyone know where I can find an update.zip to revert back to the stock kernel? I have suddenly found myself in a boot-loop for no apparent reason. I have been running NexBeast 0.9 for a few days without issue and today my phone ran out of battery. When I set it on my home dock it turned on, but it is just in a continuous boot loop right now. Sometimes it gets to the lock screen, other times it doesnt even get that far, before going back to the "Droid" text logo and then then red eye boot animation again.
To top it off, it looks like there is something wrong with the micro-USB port on my droid...it is VERY touchy and I cant even get it to connect to my laptop anymore so that I can get into an ADB shell
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