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1090t OCed to 4.0ghz and higher: multiplier dropping during Prime95 from 20.0x to 4.0x - Page 6

post #51 of 68
Thread Starter 
Quote:
Originally Posted by xd_1771 View Post

Air cooling/blowing is actually more effective than heatsinks when it comes to cooling.  You can stick some heatsinks on, definitely, and see if that helps.  Considering it's a Phenom II x6 1090T you're trying to push though (which is still one of the most power-heavy AMD processors around and somewhat of a death penalty for the VRMs) it's certainly not impossible that this still happens.  See what happens at a lower overclock/lower voltages.  To me this is certainly weird as a quality 4+1 phase with proper cooling can actually be able to push Phenom II x6's just fine (though not as efficiently as and hotter compared to an 8+2).  But that's the only diagnosis I can come up with: you may just be really pushing those transistors too far.

You really don't need to look straight into the 990X/990FX chipsets, there are quality boards such as the ASRock 870 Extreme3 R2.0, ASUS M5A97 and Gigabyte GA-970A-UD3 in the $80-120 price range.  Whereas at $125, the ASRock 890FX Deluxe4 is a ridiculously awesome buy as well.


Ok, I see the first two you listed (the Asus and ASrock) both have 4+1 phases...so why would they be preferable to what I already have...because they have heatsinks and/or is the build quality better? In simple layman's terms, why is 8+2 better than 4+1?
post #52 of 68
Quote:
Originally Posted by marblesmike View Post

Ok, I see the first two you listed (the Asus and ASrock) both have 4+1 phases...so why would they be preferable to what I already have...because they have heatsinks and/or is the build quality better? In simple layman's terms, why is 8+2 better than 4+1?

In layman's terms, an 8+2 phase design is better than a 4+1 simply because the regulatory path of the volts is increased, resulting in a higher count of MOSFETS. That in turn, increases amperage intake. In short, the more the amperage intake, the more the headroom for safely pushing volts and handling high TDP OC'd processors.
Edited by PunkX 1 - 12/7/11 at 7:33am
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post #53 of 68
I ran into a similar situation where my processor frequency kept going down like there was vdrops or something of the like. C&C disabled and such, but someone on my mobo "official" thread mentioned to go into the power options in control panel and there should be a slider (somewhere, I'm not on that PC to check) to show the range of speed you will allow. I know CCC has that on the left bar around the overdrive tab too.
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post #54 of 68
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Quote:
Originally Posted by xd_1771 View Post

You really don't need to look straight into the 990X/990FX chipsets, there are quality boards such as the ASRock 870 Extreme3 R2.0, ASUS M5A97 and Gigabyte GA-970A-UD3 in the $80-120 price range.  Whereas at $125, the ASRock 890FX Deluxe4 is a ridiculously awesome buy as well.

I looked at all these. Honestly the 890fx deluxe4 looks the best, but I need something that is SLI compatible. Anything else similar to that board (in price as well) with as high a quality that features SLI support?
post #55 of 68
Quote:
Originally Posted by marblesmike View Post

I looked at all these. Honestly the 890fx deluxe4 looks the best, but I need something that is SLI compatible. Anything else similar to that board (in price as well) with as high a quality that features SLI support?

The 990FXA-UD3, hands down thumb.gif
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post #56 of 68
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I'm looking at this:http://www.newegg.com/Product/Product.aspx?Item=N82E16813157266

I like how is has 3 pci-express and 2 pci slots...as well as 8+1 power phase and lots of other features.
post #57 of 68
Quote:
Originally Posted by marblesmike View Post

I'm looking at this:http://www.newegg.com/Product/Product.aspx?Item=N82E16813157266
I like how is has 3 pci-express and 2 pci slots...as well as 8+1 power phase and lots of other features.

A fine choice mate thumb.gif
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post #58 of 68
Quote:
Originally Posted by PunkX 1 View Post

A fine choice mate thumb.gif

Hideous, but a great choice for sure!
    
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post #59 of 68
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Except now I see there are plenty of people complaining about the ASRock 990fx extreme4 having issues booting/POSTing. I know little about ASRock. I was told that either Gigabyte or Asus are good and that MSI is terrible.
post #60 of 68
Quote:
Originally Posted by marblesmike View Post

Except now I see there are plenty of people complaining about the ASRock 990fx extreme4 having issues booting/POSTing. I know little about ASRock. I was told that either Gigabyte or Asus are good and that MSI is terrible.

Quite frankly, i'd recommend ASrock as much as i would ASUS or Gigabyte. The Extreme-series are ridiculously good boards with quality components used, but that's just me.

Terrible would actually be a step up for MSI lachen.gif
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