Dell :: Undervolting My M4400
Dec 23, 2009
I want to undervolt my Presicion M4400 as per this guide:
The "Undervolting" Guide
A few questions as I embark!
1) Does it matter how much power my M4400 draws when I do this? That is if I later attach USB drives, add a 2nd hardrive to optical bay, should I take these into account? I assume no but just checking.
2) After doing the first stress test I got max temps of 76C on CPU, after lowering the max 10.0 multiplier voltage and running it for 10 min I got max temps of 79C. Something must be wrong?
In RMClock's CPU info page (see pic. 1) the "current" 10.0x multiplier reads 1.1250V when Im doing the stress test although I've set the 10.0 multiplier to 1.1500V (default max is 1.2500V) on the profile page (see pic 2).
Shouldn't the read outs correspond with the set max voltage? Also on the RMClock CPU info page (see pic. 1) the "maximal" 10.0x readout is 1.2500V which is again different from the set 1.1500V.
Is this normal or have the setting not been saved or something?
3) On the advanced CPU settings page my thermal monitoring is not checked (see pic 3) this differs from the Undervolting guide screenshots and is not specified if these should be on?
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Mar 2, 2010
I was wondering if it is possbile to undervolt my 720QM processor and if not will there be a possibility in the future?
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Jul 27, 2009
I've been attempting to undervolt my laptop following this guide The "Undervolting" Guide
Using RmClock, I reduced the voltages to the minimum and ran Orthos for 12 hours.. without a crash... It seems sort of wierd being able to reduce the voltages to the lowest amount allowed for all of the multipliers,
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Dec 12, 2009
I get how to do it, but what do you guys recommend settings wise and what program should I use ?
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Nov 20, 2009
So I recently installed Ubuntu 9.10 64bit on my M1530 and have a dual boot setup with the other OS being the NSA's Windows 7 64bit.
This is my first Linux experience and I am rightfully enjoying it. Thus far I have been able to figure things out OK, but I am a total Linux newbie and dont know of a way to undervolt.
I havent figured out if its possible to run RMClock and I dont know of a Linux alternative.
Most the stuff I find on google is years old and Im thinking there have been better solutions since then .....
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Feb 14, 2009
Does anyone here use RM Clock to undervolt their CPU's for better battery life and production of less heat with regards to the CPU.
I use it and the lowest I can set it to is 0.95, I have selected mobile in the advanced settings CPU type. My results are:
T8300 CPU
8x-10x multipliers set at 0.95
11x at 0.975
12x at 1.00 .....
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Jan 28, 2009
ive got a xps m1530, with a t5550 processor.
While gaming im reaching 90°C.
Should i contact dell ? I bought this laptop on july 2008 without any extra warranties and i think that i have 1 year only of warranty that comes for free right?. The downside is that im in south america so it might take a while...
Can i contact them and a get a replace?
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Feb 8, 2010
I've been using RmClock to undervolt my Dell Inspiron E1505 for awhile under Windows XP and its been great. But recently I went from XP to Windows 7 32bit, it stopped working. It'll just run the default voltages. I've tried running it under administrator and Windows XP compatibility mode but still doesn't work. I was wondering if anyone knows how to make it work under Windows 7 32bit?
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Aug 23, 2009
I have read the entire guide, and even downloaded the 64-bit version driver( even though I'm running 64-bit Windows 7).
However, the damn program doesnt detect my CPU (P8700)! I have tried ticking "detect on startup", but it just doesnt recognize it!
Because of that, do you guys think it safe to go ahead and start undervolting anyways? Does anyone else have this problem
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Aug 15, 2009
Since the P8600 is a fairly common CPU on the XPS Studio 13/16 I thought this would be worth posting.
Stability was confirmed at each FID with Orthos for 60 minutes. I chose to disable SuperLFM and IDA. Under 100% load, at 2.4GHz the reported CPU temp dropped almost 12 degrees C. Obviously the difference was less at reduced speeds, but still worthwhile.
I do not notice any difference in the way the computer responds or performs, so as far as I am concerned this is free cooling. I was able to get 4hr 15min on the 9-cell battery with screen brightness @ 30% and low CPU demand (IE8 with wifi) so it probably modestly improves battery life too.
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Aug 7, 2009
My new MacBook Pro 15" just arrived via FedEx!
I was just wondering if there's any way to undervolt it in OS X like there is with Windows computers?
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Mar 5, 2009
So, the famous notebookreview undervolting guide is aimed for computers running windows, so I'm wondering if there's a guide to undervolt cpu/gpu under OSX? Since opening the computer to apply AS5 (and void warranty) isn't worth it, undervolting is the next best thing to dropping massive temps for doing virtually nothing.
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Nov 26, 2008
decided to try out undervolting to solve what i suspect are cpu overheating issues which causes the gpu to downclock when playing games... i know others have done the same.. question is, how far below the default voltage have you guys gone? the default for the 12x multiplier is 1.1365v and right now im testing 1.0125v... i think ive undervolted a considerable amount already but have only gotten 1 or 2 degrees off my max cpu temp... also, do i have to undervolt all the multipliers? or is it ok to have my 12x multiplier at a lower voltage than the other multipliers? i dont really have the time to find the right voltage for all the multipliers
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Dec 3, 2009
trying to do the undervolting mod on my 1410 SU2300, and I can't seem to find any details on the proper multiplier/voltage for RMClock. I'm using der_mali's tutorial for undervolting, and I've found that the proper multiplier is 6x (it seems that the SU2300 only has this one). For those who have a 1410 SU2300 undervolted, what settings did you use? Any extra things I should be aware of?
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May 8, 2010
First things first: The new Z is the best laptop I've owned so far. End of story. Had MBP, MBA, AW m15x and several Dells, but nothing like this.
Second:
Im not a big fan of hardware overclocking/undervolting (anymore). (Referring to the "Insyde hacking" thread.)
Ok, with that in mind; how do I software undervolt the mobile core i7 processor?
Tried good old RMClock, which doesn't work. (It hasn't been updated for years, so I didn't expect it to).
CPUgenie... didn't work.
Crystal CPUID.. didn't work.
Now I'm out of own ideas, started searching. The only thing related to my "problem" (which actually isn't a problem, I'm just a big fan of undervolting and want it that way), is this thread:
ThrottleStop thread here on NBR.
Downloaded it, tried it... doesn't work. I don't get access to the voltages.
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May 13, 2009
Is there anyway i could undervolt my DV5Z so i can squeeze some more battery life out of it I wanna know any software that can support my AMD processor for it
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Dec 23, 2009
I undervolted my notebook to some values, the temperature did drop by quite some decent degrees, but i want to get it to the limit, what's the stable values you guys mostly got on your dv5? (im intested in those with similar configuration to mine - see sig)
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Apr 29, 2010
My MBP 13 is coming this Monday. I've learned over time how to undervolt CPU in Windows.
Now my question is, is there a guide to undervolting the CPU in OSX? I understand that CoolBook can be tuned to downclock the CPU, reducing its performance when the extra power is unnecessary.
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May 5, 2010
Im a newcomer to both laptops and this forum. I found your ultimate 1410/1810 thread and I was redirected to these two threads:
Undervolting guide and 1810T undervolting guide
I managed to get up the profile for the RMClock but somehow the program showed me only one mutliplier, 6X. The CPU ran at 0.9V, but at 1,2GHz, while it should do 1,3GHz under load. I uninstalled the program and the CPU ran at 1,3GHz once again. I cant seem to find out where to get the second 6,5X multiplier
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May 6, 2009
Following the excellent flipfire's undervolting guide and inspired by Silvr6's experience with undervolting his dv2, I decided to give it a try and...I was able to increase the battery lifetime from almost shameful 2h 25 minutes to 3h 30 minutes for mpeg 2 play, or even to 4h 20 minutes (light browsing and lots of reading). So, you get at least 25-30% more battery lifetime. This makes me like my dv2 a lot more!
Perhaps, it's the noted AMD's tendency to overvolt their CPUs, perhaps something else, but I was able to get the following 100% stable (in my case) voltages:
4.0x-0.6875 V
4.5x-0.7125 V
5.0x-0.7250 V
5.5x-0.7500 V
6.0x-0.7750 V
6.5x-0.8000 V
7.0x-0.8000 V (yes, it’s 0.8V again)
7.5x-0.8250 V
8.0x-8.5000 V
these voltages are stable for my particular CPU; yours might be slightly lower or higher. For example, Slvr6 was able to get a bit lower with 4x – 0.675 V. Read the undervolting guide!
But I hope that the table above will encourage you to try the undervolting (btw, unlike the overclocking it’s 100% safe), since the benefits for dv2 and AMD’s “neo” are so dramatic!...........
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Mar 18, 2010
I've just got my 8540p and I am looking for some undervolting tool for the Core i7-620M procesor and also some underclocking tool for the nVidia NVS 5100M.
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Oct 5, 2009
I just wanted to share my experience on undervolting my HDX 18t 1103EA, Intel Quad 9000-2Ghz, 4GB DDR3 RAM, 9600M GT-1gb, Vista x64. After reading and trying the undervolting guide (thanks to flipfire), I couldn't make rmclock to work. Anyway because Q9000 has only 4 multipliers: 6x, 6.5x, 7x and 7.5x and rmclock does not support half ones, I decided to try CrystalCPUID. It can do only three ones and I choose 6x, 7x and 7.5x. I managed to go down to 1.163- stable on all three. CrystalCPUID would not allow any lower than that, although according to Intel Q9000 lowest voltage is 1.050. Strange enough both CPU-Z and Everest show that this the actual voltage when CrystalCPUID is active. Also when it is not active the cpu works only on the highest multiplier- 7.5x. My idle temp didn't really changed- it is always around 48C-55C (no AC in my room). I tried to buy CpuGenie (10 euro is nothing for some extra life on a 1300 euro mashine, but paypal asks for registration and I don't want to register.
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Nov 17, 2009
My P8800 reaches 97 Cels. when I run Orthos, and today I tried playing COD 4 Warfare, then it went to 99 Cels. degrees and my Z was blowing FIRE from the vent.
Now, I'm planning to use RMClock to undervolt my CPU, my system specs is in Signature, except that I Updated from Vista SP2 64 to Windows 7 Pro 64 .....
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Sep 2, 2009
Just got me an Aspire 5536G (2.2 ghz Turion, ATI 4570) and it is running hot! After a few minutes of Prime95 the CPU gets up in the 90s (Celcius), and 15-20 minutes of gaming gets it there too.
Is there a tool that lets me undervolt and lower clocks? The BIOS is very anemic, so I cant set things there.
I am also looking for a good fan speed and temp monitoring program. I have tried a few but only CPUID HWMonitor reports temps for both cores and two more sensors (presumably located near the GPU). SpeedFan only reports one temperatur.
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Nov 18, 2008
First take the battery out and remove the bottom part like so.
Then you have to take the fan off there are 3 screws to take out and unplug the fan connector.
After you take out the CPU heat sink "there is 4 screws".
Then the Video card heat sink 3 screws.
Once that is done I took the CPU out you don't have to take it out I just wanted to see it. You do have to take out all the extra thermal past from DELL from the CPU and GPU and the 2 heat sink like so.
I use a plastic card and paper towel to remove the extra paste and it workes grate.
Now for the AS5 put on each of the components you just clean as in the CPU and GPU and the 2 heat sink like so.
same go's for the CPU and GPU then jsut use a falt plastic card I just use a master card but any thing similer will do to even out the SA5 like don't try to get it all nice and flat just make sure it covers all the surface of contact of the CPU GPU and heatsink and you should be good, it soule look like that now.
Now just re insert the GPU heat sink and tight the 3 screws back.
After it's the CPU heatsink and it's 4 screws like so.
Now the fan 3 screws and one connoctor.
Close it all up and boot Hope it helps some of you.
Mine was 55 and idle and now 49/50.
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May 20, 2009
Considering that this is a "heavy duty" notebook, how much would a 25W processor (e.g., P9600) increase battery life and decrease heat? In my experience, the difference has been very little for relatively similar notebooks.
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Jun 28, 2009
I am considering buying a Precision M4400 but I've read about various audio problems, even with the audio outputs .....
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Jun 10, 2009
I'm currently trying to decide between the M4400 and the HP 8530W. Please could any M4400 owners let me know their thoughts (happy or otherwise)?
The basic specs are as follows:
Dell: P8600 CPU, 4GB RAM, 160GB 7200rpm HDD, Quadro 770M, 1920x1200 display, 6-cell battery.
HP: T9400 CPU, 2GB RAM, 160GB 7200rpm HDD, Quadro 770M, 1680x1050, 8-cell battery.
They're about the same price where I live, and both have a similar lead time. I've had no major problems with Dell in the past, but the M4400 seems to have been slated here and elsewhere for its build quality and design issues. The HP is by no means immune, but it does seem to come off lighter .....
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Aug 17, 2009
When I got my M4400 last week, it had Vista Business installed - wasn't bad and unlike most people, I've NEVER had issues with Vista Anyway being a Microsoft Gold customer, I got my hands on the Windows 7 Ultimate RTM version and installed this on the laptop.
It has transformed the laptop just like it did my PCMUCH quicker, the graphics seem a lot happier in W7 too.
I've installed all my other tools such as SQL2008, Office 07, Virtual PC with VMs, VS 2008 etc etc but it doesnt even flinch under pressure.
If you are happy with M4400 and Vista, you will be even happier with W7 - small mini review but I thought I should give you my quick thoughts on it.
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Mar 2, 2009
what kind of battery life you're getting from your M4400, with specifics...
list down your spec, which battery you have, and what programs you were running..
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