PCIEX1 expansion into PCIEX16, which slots to use?

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Theli

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Sep 29, 2016
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Okay this is a new one to me, I recently pulled the soundcard and capture card out of an old rig I had lying around, to re purpose them into my new rig.

now, I have a Gigabyte GA-z97X-SOC Force mobo. I have a R9 290X plugged into the PCIEX16
I am wondering which slots I should be aiming to put these 2 PCIEX1 cards to not cut too much bandwidth to my card.
I figure the PCIEX4_2 is a given, as it doesnt share bandwidth anyway, but which would be the logical second slot?

http://www.gigabyte.com/products/product-page.aspx?pid=4949#sp Motherboard page with specification if that helps anyone

thanks in advance, Josh.
 
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Question from Theli : "PCIEX1 expansion into PCIEX16, which slots to use?"



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Tomba_Dude

Tomba_Dude

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It doesn't matter which slot you'll use since the cards you're plugging are x1. They'll only use one lane/card even if plugged into x16 slot. I'd plug them as far from each others as possible for the best cooling.
 
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Theli

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Sep 29, 2016
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So I assume that running a x1 will not chop the speed by half as indicated by the specification overview?

cooling is not an issue per-say as it is liquid cooled. I was concerned about plugging in new boards incase it bottlenecked the lanes.
I will give it a try tomorrow, and run benchmarks and see what it results with.
 
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Decends

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The moment you put in a secondary device that uses lanes no matter how little, it will reduce the first slot's lanes from x16 to x8. BUT, the performance difference between x16 and x8 is practically nonexistent
 
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USAFRet

USAFRet

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Mar 16, 2013
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MERGED QUESTION
Question from Theli : "PCIEX1 expansion into PCIEX16, which slots to use?"





 
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Theli

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Sep 29, 2016
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I am able to use onboard audio, just the soundcard may prove useful for taking load away from the CPU and the extra software could prove useful.
But otherwise thank you for the answers, I will pop the capture card into the PCIEX4_2 as my PCIEX1 is already being blocked by my graphics card.
I will try running the soundcard in one of the other slots and run benchmarks for comparison and see if its worth keeping in or not.

Thank you all for the support. I will add any findings when I have anything conclusive.
 
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clutchc

clutchc

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I don't think the integrated sound chip uses very much CPU resource considering today's powerful processors. 0.x% - 1% CPU usage maybe? If your CPU is no where near 100% usage now and the gfx card IS able to run at 100% usage, it won't make any noticeable performance difference with or without the on-board audio enabled.
 
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