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 --Undervolting Notebook Processor--, Only for Core 2 Duo below..

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TSEugene91
post Jan 21 2010, 10:14 PM, updated 15y ago

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From: Mike India Romeo India
First off this thread is created to share on the undervolting experience of users in here.

Warning!~ Do not try if you're worried about things going wrong! I am not responsible!

In the mean time please refer to the Guide link below..

Click! Me!The "Undervolting" Guide from NBR Forumer Click! Me!

Advantages(According to FlipFire,NBR,2008)
- Cooler CPU (5 to 20c cooler)
- More battery life (15-30mins more)
- Less Fan noise & activity
- Longer overall notebook life
- Eco-Friendly

Disadvantages/Risks:(According to FlipFire,NBR,2008)
- BSOD (Blue Screen of Death)
****Only Risk so far noted, waiting for other forumers who UV their procs to share smile.gif****

Attention!~ Windows 7 Users!:
When using RMClock on Windows 7 this need to be done:

in RMC in Management disable OS power management integration
in W7 in power plan in Minimum processor state set 100%

and now RMC is taking control of processor and Windows 7 of the rest





Update!~
21/1/2010 - Poll Added!
___________________________________________________________________________________________________
22/1/2010 - Hey undervolters i wan to make a list of ppl who did undervolting so please state your details like this:
User ID:
Laptop Model:
Processor Model:[Model]@[Clockspeed], [FSB], [Cache], [Processor Technology (nm)], Wattage
Stable Undervolted Voltage:FID: VID:
___________________________________________________________________________________________________

27/01/2010 - Windows 7 Users!
Attention if ur using Windows 7 Follow this:

Management>Untick Enable OS Power Management Intergration

Also some ppl in NBR suggest to untick Engage IDA under the Advanced CPU Tab.

It could be windows 7 and RMClock power management conflict.. Since it wasnt developed for Windows 7..
___________________________________________________________________________________________________

Users who Undervolt their notebook/laptop processors:
» Click to show Spoiler - click again to hide... «


This post has been edited by Eugene91: Aug 30 2010, 10:15 AM
Najmods
post Jan 21 2010, 10:39 PM

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From: Konohana
I do undervolt my CPU, which is AMD Athlon X2 QL-64 from 1.1V (IIRC) to 1.05V and in power saving mode is 1.05GHz 0.9V. Less heat even when gaming, more battery life when using battery. My opinion? I recommend it to everyone, its not dangerous, and its a lot of benefits like you said. The BSOD is because you don't do any reading before doing it, each CPU have its own limit on how low you could go

I use k10stat to undervolt my CPU, I don't know how on Intel side though
lee_what2004
post Jan 21 2010, 10:43 PM

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quite good, managed to cut around 10C on my t2250 smile.gif
if using rmclock, then just need to quit it to restore back the voltage.

This post has been edited by lee_what2004: Jan 21 2010, 10:46 PM
TSEugene91
post Jan 21 2010, 10:45 PM

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RMClock smile.gif I suggest just looking at the Guide link i posted there.. lol rather than i copy everything.. smile.gif

Added on January 21, 2010, 10:46 pmBut guys any idea how to restore to default? if i need to send it for warranty? LoL.. i got 3 years supercare 2 and dont wanna waste it.. lol if they found out about the UV.. I have no idea on restoring default before UV lol..

This post has been edited by Eugene91: Jan 21 2010, 10:46 PM
lee_what2004
post Jan 21 2010, 10:53 PM

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just need to quit the rmclock, delete the auto startup...
TSEugene91
post Jan 21 2010, 10:55 PM

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lol but it makes my cpu have more Voltage and it seems to look like OC'ed it has Multiplier X9.5 instead of 9.0 lol.. and its at 2.53GHz.. OC?? haha weird..
lee_what2004
post Jan 21 2010, 10:58 PM

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if like that, not sure...
since if rmclock not running, it should run at default voltage...
TSEugene91
post Jan 21 2010, 11:00 PM

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hmm anyways.. its true i can feel the temps lower with UV biggrin.gif
My CPU temperature cant be read(BIOS locked maybe) biggrin.gif But can feel temps lower biggrin.gif
Jt2020
post Jan 21 2010, 11:12 PM

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I straight away undervolt my L510-S4314 since I bought it.
Manage to reduce all multipliers (6.0x - 11.0x) from 1.15volt into 0.975volt, which is actually from the maximum to the minimum volt. Until now no any problems for me.

What I don't understand is,

For my laptop, all of the multipliers (6.0x - 11.0x) default volt is at the maximum. But, when I read through the post it shows that their laptop each multiplier with the default of different volt...

Secondly, when I check the cpu info, sometimes it jumps to 1.15volt although I had already set it's maximum to 0.975volt
TSEugene91
post Jan 21 2010, 11:16 PM

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Yeah that's what happens when i disable RMclock lol.. From Stock 1.1125 jump to 1.2V weird..

@Jt202
Anyway seems pretty awesome you managed to get all your multiplier down to the minimum VID smile.gif

Although theres a buddy of mine saying.. Imagine yourself you eat 3x a day and suddenly you only eat 1x a day.. Imagine dat situation happening to your CPU lol..
Najmods
post Jan 21 2010, 11:25 PM

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QUOTE(Eugene91 @ Jan 21 2010, 11:16 PM)
Although theres a buddy of mine saying.. Imagine yourself you eat 3x a day and suddenly you only eat 1x a day.. Imagine dat situation happening to your CPU lol..
*
Nah, most CPU have higher voltage that they ever used. Like us, most of us eat more than we ever need, that is why the obesity increased nowadays
TSEugene91
post Jan 21 2010, 11:32 PM

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haha true enuf smile.gif Do you realise even on power saving mode(on Battery and AC) the proc still goes up to max clocks? Normally or before it would be at only 1.6GHz lol for my system of course.. I wonder if there's a way to set it like dat..
Najmods
post Jan 22 2010, 12:31 AM

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On AMD system (at least on my laptop) it never goes to full speed when running on batteries even when playing games unless I forced it in k10stat, maybe it have something to do with Windows Power Options
TSEugene91
post Jan 22 2010, 08:10 AM

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Hey.. It seems that its normal oredi when disable RMClock smile.gif Gotta be patient with it..

Added on January 22, 2010, 9:36 amHey undervolters i wan to make a list of ppl who did undervolting so please state your details like this:
User ID:
Laptop Model:
Processor Model:
Stable Undervolted Voltage:

biggrin.gif biggrin.gif

This post has been edited by Eugene91: Jan 22 2010, 09:37 AM
the100308
post Jan 22 2010, 10:39 AM

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Sorry for being noob, whats BSOD and suppose should I fix it if I have it? Just restart?
TSEugene91
post Jan 22 2010, 11:03 AM

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the Blue Screen if an error occurs with the system. In using RMClocks case, restart to safe mode.. and go to msconfig, disable rmclock from startup.. smile.gif
lee_what2004
post Jan 22 2010, 11:44 AM

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User ID: lee_what2004
Laptop Model: Acer Aspire 5551 ANWXCi
Processor Model: Core Duo T2250 1.73 Ghz 533MHz 2MB L2
Stable Undervolted Voltage: FID: 6x VID: 0.95v, FID: 13x VID: 1.0125v

This post has been edited by lee_what2004: Jan 22 2010, 11:47 AM
TSEugene91
post Jan 22 2010, 12:06 PM

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updated biggrin.gif

Added on January 22, 2010, 12:24 pmAny idea why the power plan is on RMClock Power Management? Any way to change it? Because i put balanced/power saver its different lol.. Recently i noticed its different.. i guess RMClock too old for windows 7..

Also.. upon startup it auto switch to RMClock Management? lol.. last time not like this eh..

This post has been edited by Eugene91: Jan 22 2010, 12:26 PM
Najmods
post Jan 22 2010, 12:26 PM

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Following the format:

LYN ID: Najmods
Notebook/Laptop Model: ASUS K40AB
Processor Model: AMD Athlon 64 X2 QL-64 2.1GHz 512kB L2 cache
Stable Undervolted Voltage:
DID: 0 FID: 13 Voltage 1.05V CPU frequency 2100MHz
DID: 1 FID: 13 Voltage 0.9V CPU frequency 1050MHz
lee_what2004
post Jan 22 2010, 01:34 PM

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QUOTE(Eugene91 @ Jan 22 2010, 12:06 PM)
updated biggrin.gif

Added on January 22, 2010, 12:24 pmAny idea why the power plan is on RMClock Power Management? Any way to change it? Because i put balanced/power saver its different lol.. Recently i noticed its different.. i guess RMClock too old for windows 7..

Also.. upon startup it auto switch to RMClock Management? lol.. last time not like this eh..
*
what you mean power plan is on rmclock power management?
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