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Northbridge Voltages

post #1 of 11
Thread Starter 
I'm currently trying to overclock my CPU to 3.3ghz with a 8x multiplier. Now, my memory and CPU is overvolted, but my northbridge is currently on "Auto". The options are 1.25v, 1.45v, 1.55v and 1.65v.

What is a safe voltage to have it running at?
post #2 of 11
i wouldnt go over 1.55v without some sort of active cooling on the NB
post #3 of 11
1.6 is for like 4.0 or over

don't go over 1.55 without cooling

^ AHHH HE BEAT ME TO IT!
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Silent But Deadly
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post #4 of 11
you should be fine with the 1.25v and 1.45v.
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2x Corsair F120's in RAID0 Win 7 Ultimate 64bit Apple 30" 2560x1600 microsoft reclusa 
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post #5 of 11
Thread Starter 
So, for a 413mhz FSB, 1.45v on the NB should be suffice?
post #6 of 11
Quote:
Originally Posted by alex98uk View Post
So, for a 413mhz FSB, 1.45v on the NB should be suffice?
yeah, it should be fine. you could try 1.55v, but like bitemarks said, you shouldn't go over that without a better cooler.
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2x Corsair F120's in RAID0 Win 7 Ultimate 64bit Apple 30" 2560x1600 microsoft reclusa 
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My Gaming System
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i7 950 @ 4.0GHz @ 1.25v ASUS P6X58D-E GTX 580 Gskill 1600's 3x2 
Hard DriveOSMonitorKeyboard
2x Corsair F120's in RAID0 Win 7 Ultimate 64bit Apple 30" 2560x1600 microsoft reclusa 
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post #7 of 11
Thread Starter 
Cool. Reps all around
post #8 of 11
Quote:
Originally Posted by alex98uk View Post
So, for a 413mhz FSB, 1.45v on the NB should be suffice?
I'm at 414mhz FSB right now and at 1.42v NB voltage. It needs 1.48v just to reach 425mhz though, steep increases with some chips.
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Foldatron
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Mat
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Work iMac
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i7 950 EVGA x58 3-way SLI EVGA GTX 660ti GTX 275 
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3x2GB Corsair Dominator DDR3-1600 80GB Intel X25-M SSD 2TB WD Black 150GB WD Raptor 
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2x 150GB WD V-raptor in RAID0 Win7 Home 64-bit OEM 55" LED 120hz 1080p Vizio MS Natural Ergonomic Keyboard 4000 
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750W PC P&C Silencer CoolerMaster 690 
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post #9 of 11
Quick Question:

What would be the highest safe voltage for my 680i northbridge on stock cooling? 1.5V or what?
Haswell
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post #10 of 11
the 680i is a very hot NB even at stock had mine at 1.4v and burnt my finger on the heatsink i would reccomend aftermarket cooling for the 680i evn with a modorate oc
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