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

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lee_what2004
post Aug 28 2010, 04:58 PM

*stare* ji--------
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Core i-series can not undervolt....
Fizzy-Fiz
post Aug 28 2010, 05:50 PM

On my way
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sigh
TSEugene91
post Aug 28 2010, 05:52 PM

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I should state there huh.. will re-edit this thread.
fcuk90
post Aug 28 2010, 08:33 PM

ef eg ek es
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atom can ? want try to squeze more battery time life from my atom
pikacu
post Aug 28 2010, 08:36 PM

male tag rosak
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Right now i'm on -0.1v for my M101z rclxm9.gif

Reawrd: battery life expanded!
Vizz
post Aug 30 2010, 03:12 AM

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Did it with my T9800 and SU7300..

quite a decent result for T9800.. the max temp only 60°C while 35°C at idle..
but for SU7300 not much different though.. just 1-2°C difference..

didn't test the battery life yet..
TSEugene91
post Aug 30 2010, 10:13 AM

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QUOTE(pikacu @ Aug 28 2010, 08:36 PM)
Right now i'm on -0.1v for my M101z rclxm9.gif

Reawrd: battery life expanded!
*
Good to know thumbup.gif


Added on August 30, 2010, 10:14 am
QUOTE(Vizz @ Aug 30 2010, 03:12 AM)
Did it with my T9800 and SU7300..

quite a decent result for T9800.. the max temp only 60°C while 35°C at idle..
but for SU7300 not much different though.. just 1-2°C difference..

didn't test the battery life yet..
*
It would definitely have a greater impact on the Core 2 TXXXX Series Processors smile.gif

This post has been edited by Eugene91: Aug 30 2010, 10:14 AM
Vizz
post Aug 30 2010, 12:24 PM

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QUOTE(Eugene91 @ August 30, 2010, 10:14 am)

It would definitely have a greater impact on the Core 2 TXXXX Series Processors smile.gif
*
ya.. just that I didn't expect a whooping 20°C drop.. blink.gif
solou123
post Sep 2 2010, 07:14 PM

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just now i try to undervolt my comp..1st time comp hang d..the value too low d...2nd time i decrease 0.125 for each cnq or p(i not sure abt that)..i wanna ask ...izzit i have to try and guess for the lowest value of voltage that wil not BSOD..den stress the cpu by orthos to ensure it is stable?..izzit the correct step here?..
Vizz
post Sep 2 2010, 09:25 PM

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QUOTE(solou123 @ Sep 2 2010, 07:14 PM)
just now i try to undervolt my comp..1st time comp hang d..the value too low d...2nd time i decrease 0.125 for each cnq or p(i not sure abt that)..i wanna ask ...izzit i have to try and guess for the lowest value of voltage that wil not BSOD..den stress the cpu by orthos to ensure it is stable?..izzit the correct step here?..
*
Normally I just keep the orthos running.. then decrease the vid every 5 minutes and jotted down the value.. until I got BSOD..
let the comp restart..
after that increase one or two steps in vid.. then run the orthos overnight..

This post has been edited by Vizz: Sep 2 2010, 09:28 PM
solou123
post Sep 2 2010, 09:49 PM

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QUOTE(Vizz @ Sep 2 2010, 09:25 PM)
Normally I just keep the orthos running.. then decrease the vid every 5 minutes and jotted down the value.. until I got BSOD..
let the comp restart..
after that increase one or two steps in vid.. then run the orthos overnight..
*
kk..i get it..thanks for help..smile.gif
TSEugene91
post Sep 2 2010, 10:53 PM

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to be safe i stress the different multipliers for an hour.. time consuming I know.. at least i can have my laptop running at full speed on battery without having it consume more battery smile.gif
Vizz
post Sep 2 2010, 11:03 PM

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even your laptop could run the orthos overnight.. doesn't mean it is stable.. try it with some heavy applications that you normally used..
last time.. whenever I got too much units in RedAlert3.. the game just stop working..
however.. increase the vid solved the problem..
TSEugene91
post Sep 2 2010, 11:12 PM

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I run bad company 2 for about 2 hours+ no problem biggrin.gif
solou123
post Sep 2 2010, 11:34 PM

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QUOTE(Eugene91 @ Sep 2 2010, 10:53 PM)
to be safe i stress the different multipliers for an hour.. time consuming I know.. at least i can have my laptop running at full speed on battery without having it consume more battery smile.gif
*
multiplier is FID right? the default FID for each Cnq/p is different...so may i know how u change the value?...
TSEugene91
post Sep 2 2010, 11:52 PM

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You should start reducing the max multiplier's VID first.

Once you reach the best stable undervolted VID, you can reduce the rest of the multipliers VID and run ORTHOS to stress it. The guide over at NBR states it clearly there.. smile.gif
solou123
post Sep 3 2010, 12:03 AM

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QUOTE(Eugene91 @ Sep 2 2010, 11:52 PM)
You should start reducing the max multiplier's VID first.

Once you reach the best stable undervolted VID, you can reduce the rest of the multipliers VID and run ORTHOS to stress it. The guide over at NBR states it clearly there.. smile.gif
*
kk..looking tru it now..just now not doing it by the correct way..lol..thanks ah..smile.gif



This post has been edited by solou123: Sep 3 2010, 12:07 AM
Vizz
post Sep 3 2010, 12:13 AM

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if you are lazy to undervolt every multiplier.. you could just lock at the highest multiplier and undervolt that particular multiplier..

that what I have done.. of course when the comp is plugged..
solou123
post Sep 3 2010, 12:22 AM

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QUOTE(Vizz @ Sep 3 2010, 12:13 AM)
if you are lazy to undervolt every multiplier.. you could just lock at the highest multiplier and undervolt that particular multiplier..

that what I have done.. of course when the comp is plugged..
*
kk..but i think i cant complete the process..==comp overheat...
ArnFilho
post Nov 6 2010, 08:59 PM

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OMG, Undervolting is great!

Is this topic still active??

I've managed to undervolt my laptop last night, using K10Stat v1.41 in a Win7 64 OS... here are the results:


User ID: ArnFilho
Laptop Model: Acer Aspire 4540-1047
Processor Model: AMD Athlon II X2 M300 (Caspian 45 nm SOI)
Stable Undervolted Voltage: P0: FID 4x - Stable @ 0,9375v BSOD @ 0,9125v
P1: FID 12x - Stable @ 0,8250v BSOD @ 0,8000v
P2: FID 0 (DID 1) - Stable @ 0,7125v BSOD @ 0,6875v

Full load temperature decreased from 83,9 degrees Celsius to 62,3 degrees Celsius... very good indeed!
K10Stat starts upon logon without problems...


And what about AMD Overdrive? Have any of you tried to undervolt / underclock / overclock AMD stuff with it?

What about the NB voltage? Have any of you guys undervolted the northbridge too?

Cheers!

Arnaldo Filho





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