The "Undervolting" Guide

You can setup RMclock to have No CPU management when on AC power.

Rmclock is still a pretty cool utility to have even if you dont undervolt.

I suggest you get to know your new notebook well before attempting to undervolt. At least then youll know the before's and after's or if you even need it.

 

No, BSOD's are not permanent. The risk is that any crash can corrupt the window's install and require reinstallation. Normally the wrong voltage will simply lock the system up (that can zap windows too but not usually). You will not harm the machine. RMClock may keep your CPU from throttling at high temps so you will want to watch your temps.

 

sweet! i'll be doing that then. i dont really care if i lose processing power when its not plugged in, since i'll just be using it to take notes.
one more question (kind of off topic):
in the interest of preserving the battery life, would i want to be plugged in when im gaming?

 

Maybe for AMD's but for Intels the Thermal protection policy remains the same.

Heres the thing, Heat is the main killer of battery cells. When its plugged in your notebook all the time, it will deteriorate a little faster because more heat is being emitted by your notebook. Its not really a big deal though, unless your notebook chassis overheats like crazy.

If you take out the battery, you will loose a UPS feature (uninterrupted power supply). If you lose power from your AC the battery power wont kick in and take over.

There are Pros and Cons you must consider

Lithium batterys are best stored at 40% charge in a cool dry place.

 

Yep, I haven't used it on Intel. Thanks for the info.

 

Great manual flipfire! Very easy to understand and the flow to it is very logical. You the man!

Rep+

 

Not weird. Wonderful. I did exactly the same thing. Now my T5750 consumes the same power at 2GHz as at 1GHz. I think the T8100 has SLFM. If so, you can reduce power (=heat) even further at idle speed. Guess we got good chips

 

Thanks

Mine sucks for a T7500, alot of people seem to get lower voltages than mine.

I was seriously going to get a T8300 for the heck of its undervolting capabilities. Its actually one of my next planned upgrades when it becomes cheaper

 

1 hour plus. I'm running with the lowest 0.950V at full speed with no problems

 

For my T5750 (Intel ******* child of the family), I ran 12X at 0.950 volts
"All night long". Apologies to Lionel Ritche.

 

Hmm, I undervolted, and my computer takes a long time to start now. Anyone know what could be the problem? It stays on the screen after the Dell logo pops up (The green bar scrolling across the middle of the screen) for 2-3 minutes, kind of annoying...

 

Did you test your new voltage settings with a "torture" test program like Orthos first to make sure your CPU is still fully functional at the lower voltages ? Also, how low is your new low CPU frequency? That would explain some slowness in booting. Did you change your ACPI power scheme in the process. Maybe you're used to booting up at top speed (Always On or Desktop) and now you're not. Beyond that I must bow out and let the Pro's take a crack at it.

 

Hmm so this doesn't work on older computers?

I was going to try this out on my older laptop (Tecra A4) that has a good old centrino processor. When I ran the HW monitor it was giving these weird signatures under ACPI, and other than that only my hard-drive.

 

sup guys,,,can you help me undervolt i gots the programs i need from the guide im testing as we speak but im getting..ah let me check 80 c......isnt that hot

i get values 6x -----12x and volts 1.1500v up to 1.2500

lol its making no diff and my gpu core is now at 60c idle...***

what do i do and what am i doing wrong ill lower it all down too the lowest 1.1500


k i did that now ill wait..im the meatime i have a gateway 6874h aka cheap m series...

anyone have a similar laptop that can show me how to underclock and what results they get...thanks

 

Post your stock voltages and then what you changed it to.

Just because someone has the same laptop/chip does not mean you can necessarily use those same values stably.

Undervolting shouldn't affect your gpu temp too much, especially when its not being stressed by gaming. It can help it go down by nature of keeping the overall temp inside your computer/heatsinks down , but I wouldn't expect it to have much of an effect when not gaming.

You might get more help if you move this to the undervolting thread.

 

now it says core over heat...im taking this laptop back maybe...i put it on defult and it reached 83c with gpu turned down is something wrong or what

 

dude those are the stock values lowest to highest...they go up one at a time...i did the cpu stress test and it goes to 83c...man thats messed..even says core over heating

so i turned them all down to the lowest possible setings and it went up exactly the same

 

The lowest being 1.15? It doesnt let you go anylower?

 

no...whats wrong

 

Make sure you checked off the mobile chip tab, if its not its detecting all the voltages wrong.

If thats not it, close rmclock, run the wipeout.reg file in rmclock folder and delete the program. Reinstall rmclock and try again.

80 is pretty high, are your fans kicking on?

 

yea man..im worried a bit that reached 93c which is nuts

 

Dont let it hit 93 if you can (dont run orthos that long). I forget what the max for cpus are, but its less than gpus so you're either at or close to the limit.

 

ok yea i turned it off and did what u said..
now what

 

If uninstalling it didn't fix it, then i dunno........

 

Are you sure you followed the guide correctly? Sounds like you missed a few settings.

If all else fails run RMwipeout.reg in the RMclock folder and it will revert all the settings back to factory.

 

Try clockgen. The author is on hiatus so the latest version is 2006 but that's OK, so's the rig you're talking about. I used it very sucessfully to slow down my old P4 Northwood from 3.06 to 2.4 to 1.6 GHz and back up without a hiccup. Should work on your chip. Clockgen also is a great overclock tool also but my P4 in a laptop already pulled 100 watts. Surprisingly, the Uniwill cooling system used heat pipes and a heat spreader could hold the CPU to 52C at full load all day long. The joke is that my new Fujitsu A6120 pulling 35 watts zooms up to 85C under load. But the reviewers said the fan was really really quiet. No S**t. One note: find out the name of your oscillator clock chip you have before starting Clockgen. Either open your rig or check the website. Gotta get the right clock entered into the program or results will be wrong. Cheers.

 

Great thanks for the help.

Do you know how to get the name for the clock chip without opening the laptop? I looked at the detailed specs for my laptop and couldn't find anything. I also googled it and got nothing.

 

I could UV my T5450 to 1.0 at the highest multiplier, you should be able to go even lower. And it should not be getting that hot, my X7800 OCed never even goes above 80C, ps Ill ask a mod to move this to the componenets and hardware section, you will get more responses there, and you can read Flipfires UVing Guide and make sure you do everything. It wont wreck a chip by not supplying enough voltage, just make you never go higher then what the stock voltage was.

 

i followed the guide exaclty 2 times...this morning i tried again...in one of the settings it was set to fast vrm or something i put that to default and i got lower voltages...i did the test and the temps are still high makes no sence at all...i need a more detailed guide for what every setting should be at..obviously his guide sucks..just assumes your cpu is set defualt like his

my cpu temp is naturally hot for some reason..cant figure it out...but its not good if im overclocking the gpu..both increase rapidly sharing the same heatsink

also i put the values down pretty low 1.0000 on the 12x multiplier but when i open cpu the voltage used is the same...

should i change the setting when it says like sum of all cpu loads ....chnge that to something else or can someone show me what they personally have set for the values in profiles...and the cpu settings so that i can get it to work....and when i close the program the stuff goes back too normal voltages...same with rebooting


i ticked keep settings after restart and applied but nothing...to me its like this program is just a visual toy and not actually working...

at least now my cores are not running at 2 ghz idle..they are downclocking again to 1000mhz which is good too see..but the temp right now is idle at 45c...what are your normal idle temps...and then your load temp so i know what to expect more or less.


thanks alot ...

 

ok i got it too change

small diff in temps...still getting about 72c which isnt bad considering 83max before

should i slow down the cpu then get rid of the 10x 11x and 12x mult

and right now my cpuz vid is at 1.113v is that good or bad.

what is yours at

 

Good luck getting help now with that kind of attitude. Flips guide is awesome and very straightforward. A ton of people have successfully used it and those with issues were usually simple mistakes that they made that flip was able to straighten them out on.

You're obviously not capable of undervolting your chip so maybe you should just leave it. Stop playing with all of the various settings in rmclock as only a few are actually necessary to be altered.

If you actually spent any time researching the forums you would
1. be able to undervolt
2. know what your max and idle temps should be
3. know that if you close rmclock your voltages are going to go back to stock settings
4. know not to call people out that know what they're doing

 

the bacteria that live in my body could UV from that guide, dont dis someones hard work to make things easier for us, jsut cause you cant get it right.

 

Wow... I've been able to bring down the temp from 78 to 58 and I still haven't gotten the blue screen yet, although my computer feels a bit sluggish and RC Clock seems to be telling me that the CPU load is full, but I'm really not running anything that intenstive . But I think I'm just going to reboot.

 

Sounds like you left ORTHOS running in the background/system tray

Btw, the RMclock cpu load % monitor is based off the current multiplier's load, not the full cpu load.

 

So it telling me that the CPU load is currently 90% is not actually accurate?

 

90% of the active multiplier/clockspeed is being utilized.

 

quick question, instead of undervolting my highest multiplier, could I just undervolt the smallest one instead since that is used for when vista is set in power saving mode?

 

It's possible for some CPUs, but the Santa Rosa and newer CPUs from Intel (I don't know about AMD) have the lowest multiplier already at the lowest available voltage so you can't UV it.

 

I've managed to undervolt my Core 2 Duo T5750 to 1 V for all ...
I dropped it to like 0.96 and BSOD-ed on me. Now all my multipliers are at 1 V. Anyone else run a T570 and can compare voltages? Also, is there a way to permanently undervolt, without needing to run RMClock all the time?

 

can I do this on a P4? I got HWMonitor but it doesnt even display my processor I think. Im confused, heres what it looks like. Thanks

 

is there some way to start RMClock on boot up w/o having that windows UAC prompt coming up?

i.e. is there some way to turn off UAC for just one program?
thx.

 

Why would you even use UAC.. I mean,

 

First of all thanks the guide. Helped me a lot. Actually really a lot.
I have both Vista and XP. When I used Vista I noticed the bug "VID/FID jumps" and I solved it by following your link above.

But I had this "jump" for XP as well. I have the same intel cpu (T7500) and use only 2 FID/VID as well (Super LFM: x11/0.9 and 11*1.0250). Using Orthos, TAT the voltage level showed the correct numbers, but when I defraged the system and checked the monitor tab in RMclock sometimes the VID went up to 1.25...

Any idea to solve it?

Thanks again.

 

This is a fantastic guide, along with proping my laptop up have been able to lower the temps by ~15C, now its 60C underfull load.

I got my Athlon down to 0.925V but the second I lower it to 0.9V my laptop just dies on me when its not even in that multiplyer section.

 

go to control panel, user accounts. you will see the option to turn UAC on or off.

 

can you undervolt a via c-7 cpu on the hp 2133 mininote . it runs hot , i figure anything to help bring down temps .
possible or no ?

 

Theres a few ways to bypass the UAC prompt for specific programs. Just google it, should be fairly easy to find.

RMclock doesnt support via cpu's but you can still try installing RMclock. If the voltages show up then you might be able to lower it.

 

I know I can turn off UAC all together, but I do not want to do that. I want to just turn it off for RMClock.

 

thanks . i'll give it a try

 

Your 6th multiplyer can go down all the way to 0.950V easy, no problems on mine.
I have the 12th multiplyer on 1.050V because when I bumped it one lower, I got BSOD, I will try again