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1090T Vcore at 1.59v SAFE??

post #1 of 32
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I'll start off by saying that my motherboard is really weird... I'm not saying its bad.

If I set the Vcore at 1.45v in the BIOS, once in Windows and load up CPU hardware monitor, my voltage also shows as 1.45v (as expected) however when I start a Blend test on Prime95, the CPU Vcore jumpts up to 1.57/1.59v

So far, the only way I've managed to get past 3.8Ghz is by going above the recommended voltage core, dispite reading about so many people not needing as much voltage as my system.

If I set the Vcore at 1.40v in the BIOS, then load up windows, start CPU hardware mointor, start Prime95, the Vcore goes up to 1.54...1.55, but there is no way I can go beyong 3.8Ghz without being unstable.

I already disabled every single power and CPU options in the BIOS that might affect the voltage, power safe, auto OC, etc, etc.

Any idea what the heck is going on here? do you guys think maybe the Vcore in CPU hardwoare monitor is just not showing the proper Vcore?
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post #2 of 32
No. You'll wreck your chip at that voltage.
    
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post #3 of 32
Hmmm it might be.

1.59 is even kinda high when using water cooling so its not safe with straight air.

Did you try CPU-Z?
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post #4 of 32
That is a very high and dangerous vcore you got there, CPU-Z give you anything different?
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post #5 of 32
CPU voltage should go down under stress with VDroop. Not sure what is causing the high reading. I would switch the CPU cooler to a silver arrow, venomous-X, ect. Your temps would go down 5-8 degrees or more. What are your temps when under stress?
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post #6 of 32
NOT SAFE...Be weary of high temps...

Double check multiple voltage programs like CPU-z and see if you get anything different...Not sure if that board has spots but see if you can check with a multimeter and see the exact voltage...
 
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post #7 of 32
Not safe
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post #8 of 32
Does your board have manual and automatic OCing. Check this setting and make sure you are on manual.
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1090t ASUS Sabertooth 990fx PNY GTX470 2x4g GSkill 1333 
Hard DriveOptical DriveCoolingOS
2x 500gig WD DVD ±RW Black TRUE Vista Ultimate SP2 
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post #9 of 32
No it's definitely not safe.

Found another dude with the same problem, I think a couple of P67 GD65's were doing it too: http://www.tomshardware.co.uk/forum/...lock-questions

Didn't see anything in the BIOS updates relating to this problem, if you aint got the latest BIOS, try downloading it and flashing to it. If you're on a the latest, download and flash to the one previous.
Clear CMOS, start from fresh, disable one feature at a time, seeing if it still rises that high with power save feature intact, and go through the process of elimination.

If it still does it regardless and there's no LLC or anything, I dunno what to suggest.
 
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Hard DriveHard DriveHard DriveHard Drive
| Samsung PM951 M.2 PCI-e NVMe 512GB | l Samsung 840 Evo 500GB l l Toshiba X300 4TB 128MB Cache l l Toshiba MD04ACA400 4TB l 
Hard DriveHard DriveOptical DriveCooling
l Toshiba DT01ACA300 3TB (x3) l l Samsung F3 1TB l l Pioneer BDR-209EBK l l NZXT Kraken X61 (2x Noctua NF-A14-2000-IP67) l 
CoolingOSMonitorMonitor
l Phobya MaxGuide 6 Controller l l Windows 7 x64 Customised. l l Acer Predator XB240H 144Hz G-Sync l l LG M2380D 1080p l  
KeyboardPowerCaseMouse
l Logitech G19s l  l EVGA SuperNOVA G2 850w l l CM Storm Stryker™ l  l Logitech G502 l  
Mouse PadAudioAudioAudio
l Razer Vespula l l Logitech Z506 5.1 l l Steelseries Siberia V2 MSI Gaming Edition l l Creative Fatal1ty HS-800 V2 l 
CPUMotherboardGraphicsRAM
l Phenom II x4 960T BE (@x6 3838MHz) l l Asus Crosshair IV Formula l  l MSI GTX 570 PE/OC l l 8GB Crucial Ballistix Tactical 1600MHz (@170... 
Hard DriveHard DriveHard DriveHard Drive
l Samsung 840 Evo 500GB l l Samsung F3 1TB X2 l l Maxtor DiamondMax 750GB 32MB l l Samsung F4 2TB l 
Hard DriveOptical DriveCoolingCooling
l Toshiba DT01ACA300 x2 l l Pioneer BDR-209EBK l l Scythe Kama Angle Rev.B (With Scythe GT 1850R... l 4x120mm, 2x140mm Case Fans (CM + Scythe) l 
CoolingOSMonitorKeyboard
l Aerocool Cooltouch R l l Windows 7 x64 nVidia Ed. l l LG M2380D 1080p l l Logitech G15 l 
PowerCaseMouseMouse Pad
l XFX Pro 650W Core Ed. l l CM Storm Scout™ l l Logitech G502 l l Steelseries QcK l 
AudioAudio
l Creative Fatal1ty HS-800 V2 l l Logitech LS21 l 
CPUMotherboardGraphicsRAM
G3258 @4Ghz MSI Z97I Gaming AC MSI GTX 460 Crucial Ballistix Sport 1600MHz 8GB 
Hard DriveHard DriveOptical DriveCooling
Samsung 840 Evo 128GB Toshiba DT01ACA100 1TB Optiarc 7170S Corsair H60 
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Windows 7 x64 Logitech K400 Wireless Touch Cooler Master Silent Pro M2 520w Modular Cooler Master Elite 130 
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post #10 of 32
Play with your CPU VDDA Voltage, try lowering it? I heard it helps alter load voltages
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