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What am I missing? (Read 785 times)

Jun 11^th, 2010 at 5:07pm

Groundbound1 Offline
Colonel
No, I don't work for Mythbusters...
Michigan, USA

Gender:
Posts: 1745

I'm trying to OC my system a little (from 3.0Ghz-3.2Ghz) and in doing so, I've discovered that no matter how I set my DDR2 Voltage (supposed to be running at 2.1v) it only ever runs at 1.90V.

I've set it to auto, 1.80V, 2.10V, 2.50V, the result is always the same.

I've confirmed this in the BIOS hardware monitors and in Windows with Everest. What gives? Sensor issue?

« Last Edit: Jun 11^th, 2010 at 6:47pm by Groundbound1 »

Specs: Asus Crosshair nForce 590 SLI,
AMD Athlon X2 6400+ w/ZeroTherm BTF90,
4GB G.Skill PI Series DDR2-800,
Sapphire HD4870 512MB,
PC P&C 750 Quad, in a CoolerMaster HAF932

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Reply #1 - Jun 12^th, 2010 at 7:53am

idahosurge Offline
Colonel
I Fly Sim!
Anna, Texas, USA

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Posts: 687

No clue about AMD, but if no one here can help you go and join the forums at www.overclock.net, they have both dedicated AMD and Intel forums, I am sure that some AMD guru over there will be able to help you.

Asus R3E_i7 980X @ 4.44GHz_TR Silver Arrow_Mushkin Redline 6GB 1,644MHz @ 6-7-6-18_Zotac AMP GTX 480_OS - Windows 7 Ult 64b_OS SSD - Crucial C300 128GB_FSX HD - WD VR 600GB*2 w/3ware 9750-4i 6Gb/s Controller_Corsair AX850_CM HAF-X_FSX Gold, UTX, GEX, FSG, ST, MSX, MSE, FTX, FEX, FSWC, MTX, STB, AS F16, PMDG MD11, CS MD80 Pro, FSD P38, VRS FA18E

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Reply #2 - Jun 13^th, 2010 at 1:21am

NNNG Ex Member

Might be a board quirk, a sensor issue, or a problem with the monitoring.

I would browse through all the BIOS options and see if there's anything that could possibly interfere with it.

You could also update BIOS but be warned people can and have lost their motherboards by doing this including a couple of people on this website!!! Warranties do not cover improper bios flashing. I don't think it is worth it.

RAM usually needs more voltage for tighter timings or higher speeds, you might be able to manually check by increasing the frequency of the RAM till it's prime95 blend test unstable then increasing voltage and seeing if that stabilizes it. Don't go too far (0.05v) over stock voltage though, remember voltage is what kills hardware.

If you're going to all this trouble for only another 200mhz then it's probably not worth it. That's only another 6% in performance so if you're getting 20fps you'll now be getting 21fps....

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Reply #3 - Jun 13^th, 2010 at 12:14pm

Groundbound1 Offline
Colonel
No, I don't work for Mythbusters...
Michigan, USA

Gender:
Posts: 1745

Thanks guys. I've opened a support ticket with Asus to see if this a common/easily fixed issue. I'm learning that the 125W 6000+ Windsor does take very well to overclocking anyway. I'd gotten it to 3.225Ghz @ 1.45V with an idle temp of 45C and 58C under load, but Prime95 would shut down on one core after 12 minutes or so. I kept backing it down, and of course it got more stable, but in the end, a 200Mhz gain isn't enough to justify the added voltage and heat. I'll just stick it out until a deal on a 6400+ presents itself.

Thanks again.

Specs: Asus Crosshair nForce 590 SLI,
AMD Athlon X2 6400+ w/ZeroTherm BTF90,
4GB G.Skill PI Series DDR2-800,
Sapphire HD4870 512MB,
PC P&C 750 Quad, in a CoolerMaster HAF932

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