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Which bios feature control vcore safety stuff on Z68 Gigabyte?

post #1 of 17
Thread Starter 
I set it to 1.33 on BIOS

But it's sittin at 1.35 on idle and goes to 1.38 on load alone.

I think it's a power safety feature not sure which one. Last time I messed with power feats gotta a nasty boot loop
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post #2 of 17
you might have llc on, turn it off. But most will keep it on to keep their clocks stable.
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post #3 of 17
Quote:
Originally Posted by Synaps3 View Post
I set it to 1.33 on BIOS

But it's sittin at 1.35 on idle and goes to 1.38 on load alone.

I think it's a power safety feature not sure which one. Last time I messed with power feats gotta a nasty boot loop
With Sandy Bridge in particular, it's much better to leave these enabled:

SpeedStep
C1E
C3
C6
CPU Spread Spectrum (unless you want to adjust the BCLK)


Regarding C3 and C6: set them to Auto or Disabled if you get BSODs while idling.
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post #4 of 17
Thread Starter 
LLC was definately causing some hiccups. Disabled I get a massive vDroop.

I'll set to a lower level.

Edit: Got the sweetspot LLC. vCore = Exactly the same as I set @idle. But its still drops like hell on load. Not sure what else should I do.

SpeedStep = EIST on Giga boards?

I was told to just enable ratio changes in OS and just leave everything off.

Which more settings should I use with C1/C3 and C6 and EIST enabled?
Edited by Synaps3 - 7/30/11 at 2:00am
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post #5 of 17
Quote:
Originally Posted by Synaps3 View Post
LLC was definately causing some hiccups. Disabled I get a massive vDroop.

I'll set to a lower level.

SpeedStep = EIST on Giga boards?

I was told to just enable ratio changes in OS and just leave everything off.

Which more settings should I use with C1/C3 and C6 and EIST enabled?
You're right. "EIST" means "Enhanced Intel Speedstep Technology".

I don't know this board's UEFI, but remember: if you get BSODs while idling, then set C3 and C6 to either Auto or Disabled. Always leave C1 (or "C1E") to enabled.
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post #6 of 17
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
You're right. "EIST" means "Enhanced Intel Speedstep Technology".

I don't know this board's UEFI, but remember: if you get BSODs while idling, then set C3 and C6 to either Auto or Disabled. Always leave C1 (or "C1E") to enabled.
And turbo and ratio changes?

No UEFI. Regular bios on giga's. I don't want a high vcore on idle and lower on load. I want exactly the opposite...weird.
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post #7 of 17
Thread Starter 
Sorry for the double post but just for update. Did what TwoCables told and it was great. Low speed on Idle, and accordingly vcore (0.9).
Load the vcore jumps to 1.38. Thats where the messed up LLC comes in. Lower it again and see how it goes. Its at level 3. I'll get it to lvl 1. I think it will be ok it this newer settings or disable it all together.

Funny fact. Although vCore still is quite high. My temps got lower.. weird
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post #8 of 17
Quote:
Originally Posted by Synaps3 View Post
And turbo and ratio changes?

No UEFI. Regular bios on giga's. I don't want a high vcore on idle and lower on load. I want exactly the opposite...weird.
Oh really. hahaha I was firmly corrected one day that Gigabyte's Z68 boards have the UEFI because I said that both their P67 and Z68 boards have the BIOS. I tried to fight it, but I didn't have the energy.

Anyway, using LLC is supposed to reduce vDroop. Disabling LLC allows the CPU to function in the way Intel intended.

Regarding turbo and ratio changes: I'm not sure what to answer because I don't know these boards well enough.
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 
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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 
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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 
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post #9 of 17
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
Oh really. hahaha I was firmly corrected one day that Gigabyte's Z68 boards have the UEFI because I said that both their P67 and Z68 boards have the BIOS. I tried to fight it, but I didn't have the energy.

Anyway, using LLC is supposed to reduce vDroop. Disabling LLC allows the CPU to function in the way Intel intended.

Regarding turbo and ratio changes: I'm not sure what to answer because I don't know these boards well enough.
lol the guy who corrected clearly does not own a giga board.

Anyway LLC is causing me vRISE so far haha with your settings. I'll try to lower it. Im going for 4.3ghz now and I'll pump it in 1 or 2 months to see if it has any degradation
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post #10 of 17
Quote:
Originally Posted by TwoCables View Post
With Sandy Bridge in particular, it's much better to leave these enabled:

SpeedStep
C1E
C3
C6
CPU Spread Spectrum (unless you want to adjust the BCLK)


Regarding C3 and C6: set them to Auto or Disabled if you get BSODs while idling.
Hey, I followed this guide for my Sandy Bridge OC and it said to keep those things disabled. I'm kind of new to overclocking Sandy Bridges, so I was wondering if you could explain to me why I would want to disable or enable those.
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