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post #9351 of 9641
If the main purpose of your rig is to play games, just leave your RAM at stock settings. I've tested my RAM from 1066mhz-1800mhz with timings from 6-6-6-18 to 9-9-9-27(even up to CAS10) and I see no difference in FPS, only memory benchmarks.

Hmm as for RAM settings, AMD systems prefer tighter (lower) timings than higher clock speeds. You normally drop your clocks in order to go down in timings.

For example, my RAM at stock:

1600mhz @ 1.95v (yes it's high for DDR3, but it that's my stock voltage)
Timings are 7-7-7-20-27-1T (make sure you change the timings for each stick)

At the same voltage, I can make it run:

1333mhz with 6-6-6-18-24-1T timings.

It nets me just about the same performance though the 1600mhz gets slightly better benchmarks. I've also gone as high as 2.05v for my RAM, though it's higher-voltage RAM, so don't expect yours to not fry if you go over 1.65v. I don't have a lot of experience with other RAM, but with building rigs for my friends, I've found it was best to stick to stock since other settings tended to not boot up or BSOD and there isn't any benefits of overclocking RAM.
    
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post #9352 of 9641
Thanks for the info! It's not a bad mobo, put it through a lot so far.

If I were to shoot for 4ghz, would it be a good idea to disable 2 of the cores on my 6 core processor? Just hoping not to fry the mobo in the process. Plus I only use it for gaming, and apparently most games aren't designed to use 6 cores effectively anyway.

As long as I underclock this RAM (1866mhz), it'll work fine on this mobo?

http://ncix.com/products/index.php?sku=62704&promoid=1065

Thanks! biggrin.gif
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post #9353 of 9641
Quote:
Originally Posted by spacestation View Post

Thanks for the info! It's not a bad mobo, put it through a lot so far.
If I were to shoot for 4ghz, would it be a good idea to disable 2 of the cores on my 6 core processor? Just hoping not to fry the mobo in the process. Plus I only use it for gaming, and apparently most games aren't designed to use 6 cores effectively anyway.
As long as I underclock this RAM (1866mhz), it'll work fine on this mobo?
http://ncix.com/products/index.php?sku=62704&promoid=1065
Thanks! biggrin.gif


It wouldn't be a bad idea to disable two cores, but it isn't necessary.  I've run my 6 core on this mobo at over 5.1ghz and 1.7v without any trouble (with dry ice) and over 4.2ghz and 1.5v on air for the better part of a year.  But if gaming is the only thing you're going to be doing then having 6 cores over 4 cores isnt really an advantage at all, so go ahead and disable 2 cores.

 

As for the ram, it's much more dependant on the CPU than the motherboard.  You might get lucky and have a CPU that can handle the ram at those speeds, but it's more than likely that your ram will top out at ~1800mhz with your CPU. 

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post #9354 of 9641
Not sure who all still checks this thread or not, but It's been bugging lately to find out just how our 790FX GD70's compare to the latest and greatest 990FX boards as far as OC potential.

I know regarding the CPU overclock its 90% CPU potential and not the board, but I'm wondering more about the NB and RAM as well as overall efficiency and vdroop when pushing things on high end air setups. Anyone have any cases where their 790FX boards were in fact holding their clocks back any? And if anyone would recommend a board for 990FX would it always be the CHV? I'm tempted by the ASRock Fatality and even MSI's 990FX board.
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post #9355 of 9641
Quote:
Originally Posted by FlawleZ View Post

Not sure who all still checks this thread or not, but It's been bugging lately to find out just how our 790FX GD70's compare to the latest and greatest 990FX boards as far as OC potential.
I know regarding the CPU overclock its 90% CPU potential and not the board, but I'm wondering more about the NB and RAM as well as overall efficiency and vdroop when pushing things on high end air setups. Anyone have any cases where their 790FX boards were in fact holding their clocks back any? And if anyone would recommend a board for 990FX would it always be the CHV? I'm tempted by the ASRock Fatality and even MSI's 990FX board.

 

The GD70 is still a great board and I've experienced almost no vdroop whatsoever, even when pushing this board to it's max, but then it comes to 990fx boards I would definitely go with the CHV over the ASRock and the MSI.  Everyone that I know that has a CHV absolutely loves it, and most of them claim that it's the best board that they've ever used.

 

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post #9356 of 9641
I'd rather upgrade to Intel if I were to spend over $200 just for a motherboard upgrade, but that's just me. That being said, this motherboard has much life left in it
    
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post #9357 of 9641
I disabled 2 cores, my temps dropped right off the map. Whereas before I'd be sitting around 53-56C on full load in Linx at 3.8ghz on 6 cores, now it never goes passed 39C and I've set it up to 4.2ghz 4 cores.

Think this is a misread? I don't have anything special cooling the CPU. Corsair H50 w/ extra fan.

I have a feeling disabling two cores is throwing off the temps diode or something.
Edited by spacestation - 1/18/12 at 1:49am
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post #9358 of 9641
Quote:
Originally Posted by spacestation View Post

I disabled 2 cores, my temps dropped right off the map. Whereas before I'd be sitting around 53-56C on full load in Linx at 3.8ghz on 6 cores, now it never goes passed 39C and I've set it up to 4.2ghz 4 cores.
Think this is a misread? I don't have anything special cooling the CPU. Corsair H50 w/ extra fan.
I have a feeling disabling two cores is throwing off the temps diode or something.

It's very possible. I have mine at 4ghz with 1.46v and NB at 2800mhz with 1.33v and I don't touch 40°C when I'm gaming. With LinX/IBT, I get up to 45°C. You may also be living in a very cold place, as Northern California isn't as cold as other places that actually snow.
    
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post #9359 of 9641
What program do you use to monitor the NB? I clocked mine up to ~2800mhz and it started to run really hot (according to speedfan anyway, like 68C+)

I'm picking up a fan to throw in the NB, and will be changing the thermal paste to help bring temps down.
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post #9360 of 9641
Quote:
Originally Posted by spacestation View Post

What program do you use to monitor the NB? I clocked mine up to ~2800mhz and it started to run really hot (according to speedfan anyway, like 68C+)
I'm picking up a fan to throw in the NB, and will be changing the thermal paste to help bring temps down.

I don't monitor it, but it should be called Temp2 in SpeedFan, though that's for the Northbridge and VRMs heatsink. You could easily just take out the screws at the back of the motherboard and replace the pink gunk(takes a bit of effort to clean out) that MSI put in your South/Northbridge and you can use any thermal paste you have to improve temps.

The NB-CPU that you set to 2800mhz is part of your CPU, so you're only adding extra heat to your CPU cooler. The NB-CPU is what controls both your L3 cache and your CPU's IMC, so when you overclock it, you'll see much better L3 cache speeds and your RAM will benchmark slightly better. In normal usage/gaming, there isn't a noticeable different between stock and 3000mhz, so you may want to keep it at 2000-2200mhz if you're running into overheating issues. Otherwise, just stick to 2800mhz and enjoy the free performance. biggrin.gif
    
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