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m5a 78l usb3 bottlenecking amd cards?

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  • Motherboards
  • Bottleneck
  • AMD
  • USB3
Last response: in Motherboards
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October 13, 2014 1:34:04 PM

I just got this new motherboard and tried 2 different amd cards (radeon 6850, r9 270) and it bottlenecks it so hard every 10 sec. Games are unplayable, I have a 600w psu and my ram isn't bad. What's the problem?

More about : m5a 78l usb3 bottlenecking amd cards

a c 511 V Motherboard
a c 191 À AMD
October 13, 2014 1:52:02 PM

The MB shouldn't have any bottle neck affect. What is the processor you are using?
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October 13, 2014 1:56:04 PM

clutchc said:
The MB shouldn't have any bottle neck affect. What is the processor you are using?


amd 8120 eight core
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a c 511 V Motherboard
a c 191 À AMD
October 13, 2014 1:58:10 PM

Is this in online gaming only, or does it happen with offline (single player mode) too?
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October 13, 2014 2:00:06 PM

clutchc said:
Is this in online gaming only, or does it happen with offline (single player mode) too?


this happens whether I'm playing Runescape, surfing the web, playing Arma 3. It doesn't seem to matter.

The cpu usage jumps up 20% more when the framedrop/ lag occurs
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a c 511 V Motherboard
a c 191 À AMD
October 13, 2014 2:04:49 PM

It's beginning to seem like you may have some software conflicts or a possible virus/malware problem. Run CCleaner and do the Clean and Registry portions both: https://www.piriform.com/ccleaner/download
Then update your virus pkg. and run a FULL scan. Follow up with a malware scan with MalwareBytes: https://www.malwarebytes.org/

And please tell me what the make/model of your "600W" PSU is.
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October 13, 2014 2:25:25 PM

clutchc said:
It's beginning to seem like you may have some software conflicts or a possible virus/malware problem. Run CCleaner and do the Clean and Registry portions both: https://www.piriform.com/ccleaner/download
Then update your virus pkg. and run a FULL scan. Follow up with a malware scan with MalwareBytes: https://www.malwarebytes.org/

And please tell me what the make/model of your "600W" PSU is.


I did Ccleaner and fixed all of it, I did reinstall windows for the 4th time and installed the drivers and Asus' stuff that it gives you any chance those help me?

And the PSU is 600w, it didn't have a model o.o
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a c 511 V Motherboard
a c 191 À AMD
October 13, 2014 2:41:35 PM

If you have a fresh install of Win, you won't need to run CCleaner unless you loaded your system up with stuff that runs in the background when Windows boots.

The reason I asked for the make/model of the PSU is because sometimes cheap PSUs are the cause of poor performance. The cheapies can't maintain the power to the card (probably the most power hungry device in your system). As a result, performance will suffer or the system will shut down.

Does the PSU have a nameplate on it you can read?
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October 13, 2014 3:16:12 PM

clutchc said:
If you have a fresh install of Win, you won't need to run CCleaner unless you loaded your system up with stuff that runs in the background when Windows boots.

The reason I asked for the make/model of the PSU is because sometimes cheap PSUs are the cause of poor performance. The cheapies can't maintain the power to the card (probably the most power hungry device in your system). As a result, performance will suffer or the system will shut down.

Does the PSU have a nameplate on it you can read?


oh, it's from this prebuilt pc http://www.newegg.com/Product/Product.aspx?Item=N82E168...

i'll look inside again once i'm back home

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October 13, 2014 3:57:39 PM

it's a

CooniX model no.:COPS-600

ac input - 100V/50-60Hz
dc output | +3.3v | +5v | +12V1 | +12V2 | -12V | +5vsb
max current |16A | 20A | 18A | 18A| 0.5A | 2.0A |

hope this helps
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!