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Talek

important : check your gpu pcie slot !

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hi

I bought a new rig 4 months ago and i got massive problems in FSX and other games ( x plane ...), i got spikes and low FPS with DX9 so i was obligate to play with DX10.

 

Yesterday i just realised that all of that was because i placed my gpu in a PCIE 16 2.0 slot whereas i have also 3.0 slot

i just moved my gpu (gtx 660) to the 3.0 slot and...

 

30 FPS at paris CDG with NGX instead of 10 ! NO SPIKES, smooth

and i am using 1/2 vsync which is limiting my FPS maybe i can get more !!

 

 

well, i know people are not stupid as me but who knows, check your PCIE slot if you are experiencing weird problems with your new rig !

you should absolutely use the 3.0 if you have ivy bridge because ivy bridge proc use 3.0 to, you will be GPU limited.

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To add another similar mistake to watch out for that I'll admit to with my build:

 

I noticed in GPU-Z and Nvidia Inspector that my video card slot PCI-E spec was shown as 1.1 rather than the 3.0 I expected. I went in to the bios and found the setting for the slot was on "Auto". Setting it to "Gen3" allowed it to run at the correct PCI-E 3.0 spec.

 

My board is an Asus P8Z77-V Pro and these settings were found under "Advanced\ System Agent Configuration\ NB PCIe Configuration" in the bios.


Simon

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The "1.1" that you see in GPU-Z is a variable, you'll notice that if you open a game or a render test it will go up to 3.0

By setting Gen3 you are fixing it at 3.0, so more electric consumption

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