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post #11 of 27

Oh, is "having your Ps" the same thing as an American saying, "having your Driver's License"?

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post #12 of 27
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

Oh, is "having your Ps" the same thing as an American saying, "having your Driver's License"?

Sort of.. It's getting of your L's (Learners) and getting your P's (Provisional). which allows you to drive alone biggrin.gif

EDIT: 1.416v on idle.. It doesn't at all :/

So
VID = 1.290v
Idle: 1.416v
Load: 1.416v
Edited by Matt-Matt - 8/3/12 at 8:08pm
 
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post #13 of 27
Well guys, I just saw this thread and thought would post something helpful. The thing is that in most motherboards except for ASUS's new Z77 series mobos, setting an offset voltage really doesn't help CPU temps in the end. Well here's the thing, we want our volts to be as low as possible on idle I.e. for example much below 1V for a 3570k at it's stock speed and we really don't want it to be any higher than a certain (minimum voltage) but which keeps it completely stable when OC'ed.

Well now here's the bad news, offset is basically applies to your CPU's boot up voltage but which differs each time when your CPU boots up. For example, the first time you booted it up, the CPU came on with a fixed 1.30v (hypothetically speaking), and the next time when you boot it up, it won't be the same. So in other words, you won't be getting the perfect offset unless you set a fixed voltage and usually LLC turned to high for getting the closest Vcore that you set, either in the bios or windows.
post #14 of 27
Quote:
Originally Posted by Matt-Matt View Post


Sort of.. It's getting of your L's (Learners) and getting your P's (Provisional). which allows you to drive alone biggrin.gif
EDIT: 1.416v on idle.. It doesn't at all :/
So
VID = 1.290v
Idle: 1.416v
Load: 1.416v

 

Cool, I understand now.

 

Anyway, onto buisness.  Err, business.

 

Since your idle and load are identical, we can just use the difference between 1.416V and the offset of 1.290V as the offset.  However, before we do, is 1.290V the VID reading while under full-load?

 

 

Quote:
Originally Posted by Ali Man View Post

Well guys, I just saw this thread and thought would post something helpful. The thing is that in most motherboards except for ASUS's new Z77 series mobos, setting an offset voltage really doesn't help CPU temps in the end. Well here's the thing, we want our volts to be as low as possible on idle I.e. for example much below 1V for a 3570k at it's stock speed and we really don't want it to be any higher than a certain (minimum voltage) but which keeps it completely stable when OC'ed.
Well now here's the bad news, offset is basically applies to your CPU's boot up voltage but which differs each time when your CPU boots up. For example, the first time you booted it up, the CPU came on with a fixed 1.30v (hypothetically speaking), and the next time when you boot it up, it won't be the same. So in other words, you won't be getting the perfect offset unless you set a fixed voltage and usually LLC turned to high for getting the closest Vcore that you set, either in the bios or windows.

 

I haven't heard of this yet, but now I'm expecting it to happen.  We'll definitely keep an eye on it.  Thank you, Ali Man!

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post #15 of 27
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

Cool, I understand now.

Anyway, onto buisness.  Err, business.

Since your idle and load are identical, we can just use the difference between 1.416V and the offset of 1.290V as the offset.  However, before we do, is 1.290V the VID reading while under full-load?



I haven't heard of this yet, but now I'm expecting it to happen.  We'll definitely keep an eye on it.  Thank you, Ali Man!

Yes, It is the VID under full load. I'll try again though just to be 100% sure..

My CPU usually boots with 1.185v, but it's sometimes 1.180v and sometimes even as low as 1.170v...redface.gif

EDIT: I got it working (sort of) at +0.140. It didn't BSOD but Intel Burn Test reported errors. So I'd say +0.150 would be good. The only problem is that my core temps go from just touching 80c to 92-93c at load! I don't know if I'm willing to use that for 24/7 rolleyes.gif
Edited by Matt-Matt - 8/4/12 at 1:34am
 
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post #16 of 27
Quote:
Originally Posted by Matt-Matt View Post


Yes, It is the VID under full load. I'll try again though just to be 100% sure..
My CPU usually boots with 1.185v, but it's sometimes 1.180v and sometimes even as low as 1.170v...redface.gif
EDIT: I got it working (sort of) at +0.140. It didn't BSOD but Intel Burn Test reported errors. So I'd say +0.150 would be good. The only problem is that my core temps go from just touching 80c to 92-93c at load! I don't know if I'm willing to use that for 24/7 rolleyes.gif

 

Are you talking about the "VID" as displayed by either Real Temp or Core Temp and not something like CPU-Z?

 

If your temps are getting that high, then your core voltage is probably at 1.5V or higher because +0.150V is adding to the VID that is displayed in Real Temp or Core Temp (that is, the VID either of these 2 programs display while the CPU is under full load).

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post #17 of 27
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

Are you talking about the "VID" as displayed by either Real Temp or Core Temp and not something like CPU-Z?

If your temps are getting that high, then your core voltage is probably at 1.5V or higher because +0.150V is adding to the VID that is displayed in Real Temp or Core Temp (that is, the VID either of these 2 programs display while the CPU is under full load).

I'm sure it's that, I downloaded Real Temp for that reason, CPU-Z reports 1.406v or something.. Going any lower than +0.150 makes it not stable and BSOD or get errors in IBT. :s

Thankyou for your help, but I'm afraid that offset just doesn't like my system.

On another note, what would you suggest the max voltage would be on an air cooler such as the SB-E? I had it running at 1.425v before but I've actually decided I'm not really happy with that and will probably try for 4.4 or 4.5 at a better voltage smile.gif
 
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post #18 of 27
Quote:
Originally Posted by Matt-Matt View Post


I'm sure it's that, I downloaded Real Temp for that reason, CPU-Z reports 1.406v or something.. Going any lower than +0.150 makes it not stable and BSOD or get errors in IBT. :s
Thankyou for your help, but I'm afraid that offset just doesn't like my system.
On another note, what would you suggest the max voltage would be on an air cooler such as the SB-E? I had it running at 1.425v before but I've actually decided I'm not really happy with that and will probably try for 4.4 or 4.5 at a better voltage smile.gif

 

It's not using an Offset that's the problem, but it's the resulting full-load voltage.  I mean, the only difference between having a constant voltage and using Offset is that using offset allows the voltage to dynamically adjust on load, which means it relaxes all the way down when the CPU is idling.

 

So if +0.150V results in 1.408V (core voltage is always in increments of 0.008V), then what you said means that anything less than 1.408V isn't enough to keep your system stable enough for IBT at 4.6 GHz.  I mean you said before that you were using like 1.42V for it.

 

However, I'm with you that with how high the core voltage needs to be for 4.6 GHz to just settle it down to 4.4 or 4.5 GHz.  After all, this is Ivy Bridge, so even 4.4 or 4.5 GHz is a good overclock.

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post #19 of 27
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

It's not using an Offset that's the problem, but it's the resulting full-load voltage.  I mean, the only difference between having a constant voltage and using Offset is that using offset allows the voltage to dynamically adjust on load, which means it relaxes all the way down when the CPU is idling.

So if +0.150V results in 1.408V (core voltage is always in increments of 0.008V), then what you said means that anything less than 1.408V isn't enough to keep your system stable enough for IBT at 4.6 GHz.  I mean you said before that you were using like 1.42V for it.

However, I'm with you that with how high the core voltage needs to be for 4.6 GHz to just settle it down to 4.4 or 4.5 GHz.  After all, this is Ivy Bridge, so even 4.4 or 4.5 GHz is a good overclock.

Yes, I'm thinking that too. But still 1.408v is fine with Dynamic.. But it's not for Offset? Oh well I'll have a look later, playing Crash Bandicoot 1 right now! smile.gif

Thanks for all the help with this also, It's really appreciated! smile.gif
 
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post #20 of 27
Quote:
Originally Posted by Matt-Matt View Post


Yes, I'm thinking that too. But still 1.408v is fine with Dynamic.. But it's not for Offset? Oh well I'll have a look later, playing Crash Bandicoot 1 right now! smile.gif
Thanks for all the help with this also, It's really appreciated! smile.gif

 

I thought you said that anything lower than 1.408V is unstable (that is, lowering the offset to produce a voltage lower than 1.408V).

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(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
  hide details  
Reply
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