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AMD 965BE Prime95 Temps? Too high?

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August 30, 2012 9:53:15 PM

Heres my system:

Display: Dynex 40 Inch 1080p 60Hz HDTV

Case: Zalman Z11 Plus Black Steel Mid Tower

Mobo: Gigabyte GA-990FXA-UD3

HDD: Crucial M4 128GB SSD (OS)

Seagate 5200 RPM 750 GB HDD (Storage)

CPU: AMD Phenom II X4 965 Black Edition (Rev. RB-C3) 4.0 Ghz OC

RAM: 2x4GB Crucial Ballistix Sport DDR3 1333 Mhz

2x2GB Micron Technology DDR3 1333 MHz

GPU: EVGA Nvidia GeForce GTX 670 2GB

TIM: MX-2 Thermal Compound

PSU: P&C Silencer MK2 950W 80+ Silver

Cooler: Antec Kuhler H620 Water Cooler (w/ custom push/pull config)

As you can see, I have a "faux" watercooler. I attached another nice 2000 RPM fan to the front of the radiator so that I would gain suction and push through it and through the other fan. My case has great airflow, I think, and HPMonitor says 93F in the assembly during maximum Prime95 stress testing.

My maximum Prime95 temp for all of my cores (which is running as I write this) is still pushing, well holding, at 57C though, on a 4.0 OC on my 965BE Rev C3, with 1.472V on it according to CPU-Z (which is NOT what I have it manually set at, another problem). I use MX-2 Thermal Compound. This is absolutely as cool as it can get with the case closed in my (poorly) ventilated room. Room temp is probably 80 degrees F.

Does anyone have any suggestions for my specific layout to help with flow or cooling, short of a new cooler? I just got this one, and spent hours modding it. I've added two 120 fans to my case. Would you be okay with those temps? I also have my NB overclocked to 2250. I have a strange OC where I run 250x16 and lower the multipliers on my other components to keep stability, so its either 2250 on my NB or 2000. Either way, I upped the NB voltage to 1.125 from 1.1. My theoretical (in BIOS) voltage on CPU is 1.4 up from 1.375. Could that affect my temps?

Thanks!
August 30, 2012 10:24:12 PM

Okay, I had Cool N Quiet on, and C1E, the AMD setting in BIOS, was also on, so I turned them off. Now I'm still at 4.0, but the Voltage is out of control. I manually set it to 1.375, but CPU-ID is telling me it is running at 1.408. I have no control over it. My CPU is idling at 39C. What could be the deal?
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August 31, 2012 11:33:27 AM

Have you tried Enabling/Disabling the LLC (Load Line Calibration) in bios? That will effect Voltages that way. I hate going by CPU-ID for voltage readings, they never seem to be right. I always use HWMonitor or HWiNFO32/64 depending on your OS.

HWMonitor = http://www.cpuid.com/softwares/hwmonitor.html

HWiNFO32/64 = http://www.hwinfo.com/#
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August 31, 2012 8:39:01 PM

Thanks for the reply, I am currently trying the LLC option in different settings. I am idling at 37C even with only 1.4V. Even if I can set it to 1.375, it won't be a lot better, right? Am I just stuck with a hot CPU? I downclocked to 3.875MHz, and I'm still at 37C idle, around 58-60C load.

I also have HWMonitor, and that says 1.41V, even though in BIOS I am at 1.375. I'm guessing it is the LLC. Ill be back to let you know.
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August 31, 2012 8:47:05 PM

Viking2121 said:
Have you tried Enabling/Disabling the LLC (Load Line Calibration) in bios? That will effect Voltages that way. I hate going by CPU-ID for voltage readings, they never seem to be right. I always use HWMonitor or HWiNFO32/64 depending on your OS.

HWMonitor = http://www.cpuid.com/softwares/hwmonitor.html

HWiNFO32/64 = http://www.hwinfo.com/#



THANKS!!!


As of now, with LLC set to regular, my V is at a steady 1.38, and I'm stable in Prime95 with 50-52C load temps on a 3,875Mhz overclock. I feel comfortable with these settings, thank you Viking!
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August 31, 2012 8:47:21 PM

Best answer selected by Borochadwicsays.
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