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Having trouble getting stable overclock on Phenom II 1090T

post #1 of 10
Thread Starter 
no matter what I try I can not seem to get a stable OC to 4Ghz on my 1090T
plz help I've followed several forums that say they are stable and I don't even get close
post #2 of 10
i don't think the single 120mm rad can handle the heat that is being produced when the cpu is at 4ghz
silent night
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silent night
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post #3 of 10
Thread Starter 
Yeah but my max temps are 48c socket and 42c per core running Prime and I know the max is 62c socket 57c per core
post #4 of 10
Quote:
Originally Posted by Bladedjackyl View Post

Yeah but my max temps are 48c socket and 42c per core running Prime and I know the max is 62c socket 57c per core

I question the validity of the whole "62C" max temp argument floating around. It's been my experience that it is not only false, but it is given by AMD with the processor at stock voltage and stock speed.

As you increase not only the speed, but the voltage, the "max" temp will drop significantly. This is how processors burn out in the first place.

It's not heat, per se, it's the combination of heat + high voltage. It's like starting fire by rubbing two sticks together. Where the voltage is the rubbing, and the friction is the processor speed. Sooner or later, it starts to burn because you rub faster and faster (voltage is pressure, after all).

The processor itself can physically handle much higher temps than 62C, as is evidenced by people decapping soldered IHS's.
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post #5 of 10
Thread Starter 
Ok guess I'll give up on 4.0 how bout 3.9Ghz@1.45Vcore or lower and 2200Mhz NB@1.2Volt that sound about right to you? I'll just overclock past 4Ghz mark when the 2nd generation FX processors come out cause we all know they are great for overclocking but the bulldozer was a big failure hopefully Piledriver will not be a let down
post #6 of 10
Quote:
Originally Posted by ozzy983 View Post

I question the validity of the whole "62C" max temp argument floating around. It's been my experience that it is not only false, but it is given by AMD with the processor at stock voltage and stock speed.
As you increase not only the speed, but the voltage, the "max" temp will drop significantly. This is how processors burn out in the first place.
It's not heat, per se, it's the combination of heat + high voltage. It's like starting fire by rubbing two sticks together. Where the voltage is the rubbing, and the friction is the processor speed. Sooner or later, it starts to burn because you rub faster and faster (voltage is pressure, after all).
The processor itself can physically handle much higher temps than 62C, as is evidenced by people decapping soldered IHS's.

??????


@ OP. getting an AMD to the 4.0 wall can be tricky. While I do agree that a single 120mm rad is pusing it I have to ask. What settings have you been playing with? In your last post you said your CPU/BN was 2200? if so you need to bump that bad boy to closer to 2600. It's going to net you a big performance boost and help stabalize your overclock. Can you post your BIOS settings for 3.9ghz? include if your using any power saving options like Cool N Quiet too please.
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Gizmoto
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post #7 of 10
I've got 4Ghz stable on a Hyper 212+ at 1.44v.
Temps don't go over 50C.
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post #8 of 10
Thread Starter 
Im not home right now but ill go off memory for now I turned off C1E, Cool N' Quiet, and Turbo cores.(you know all that **** that makes any overclock unstable:P) 3.9Ghz@1.45Vcore (could probably be lower but thing that sucks it can only adjust voltage to CPU in .025 increments) I have all other voltages manually set to defaults to help lower voltage spread, CPU/NB @2200Mhz@1.2v my FSB is 200Mhz if left on Auto it crashes within 10mins RAM is @1333Mhz 9-9-9-24 stable
post #9 of 10
i would set the cpu/nb to 2600 and keep the 1.2 if it is not stable up the voltage a bit to atleast 1.25v and you will be fine
silent night
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Amd phenom ii x6 1090t@4.33ghz @ 1.52 Gigabyte 890gpa-ud3h msi r6950 unlocked twin frozr iii 980/1475 @ 1.3v kingston HyperX 4x4gb 1600mhz ddr3 
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ocz vertex 3 western digital western digital western digital 
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silent night
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CPUMotherboardGraphicsRAM
Amd phenom ii x6 1090t@4.33ghz @ 1.52 Gigabyte 890gpa-ud3h msi r6950 unlocked twin frozr iii 980/1475 @ 1.3v kingston HyperX 4x4gb 1600mhz ddr3 
Hard DriveHard DriveHard DriveHard Drive
ocz vertex 3 western digital western digital western digital 
Hard DriveHard DriveOptical DriveCooling
western digital western digital hp-dvd1270 black ice sr1 420mm 
CoolingCoolingCoolingOS
XSPC Raystorm AMD XSPC 5.25" reservoir Swiftech mcp350 win7 64bit 
MonitorKeyboardPowerCase
hannspree 28" saitek cyborg v.5 corsair hx850 Xigmatek Elysium 
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logitech g502 allsop rain drops. Turtle beach earforce z22 sony EC909P 
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post #10 of 10
@OP
sometimes OCing only using multiplier will not get you the speed you want (it will not be stable). So try mixing between the CPU bus and multiplier. It happened to me once. Before I could not get to 4.1GHz stable only using multiplier, even when I set the voltage to 1.55V I couldn't get to be stable, However when I increased the CPU bus speed and lowered the multiplier I got it stable.

so here what you should do:-
1-Clear CMOS
2-set CPU/NB and HT to 2000MHz.
3-Set CPU voltage to 1.46V
4-try to play with the CPU bus speed and multiplier until you hit 4GHz stable.

I hope this works for you.

try this it might work.
258X15.5 @ 1.465V
    
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Intel 3930K 5040MHz @ 1.48 - 1.53v @ VTT/VCCSA ... Asus rampage extreme IV Gigabyte GTX 970 G1 @ 1580/4050MHz @ 1.325V Corsair Vengeance 64GB (8 x 8GB) DDR3 2400MHz. ... 
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WD Black 4TB 64mb Cache LG DVD EK-FB KIT RE4 - Acetal EK-FC970 GTX WF3 Backplate - Black 
CoolingCoolingCoolingCooling
Laing D5 Vario 12V DC Pump (MCP 655)  EK-BAY SPIN Reservoir - Plexi EK-CoolStream RAD XT (240) EK-CoolStream RAD XTX (120) 
CoolingCoolingCoolingCooling
EK-CoolStream XE 120 (Single) 8x Corsair Air SP120 PWM High Performance Edition 3x Corsair Air AF120 High Performance Edition EK-Supremacy EVO CPU Water Block (Nickel Acetal) 
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