Question about my set up... Involving Graphics Card, motherboard, i5-3570k, etc.

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squish8294

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Feb 24, 2013
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Okay. So basically the reason I'm here asking this is I want to know if my MSI 460 GTX is being bottlenecked by an 8 lane PCI 3.0 slot or not? Does it need to go up to 16 lanes PCI or is 8 lane fine? The card itself is rated for PCI E 2.0 x 16, but is running at 2.0 @ 8x according to GPU-Z

Here's my setup as verified by CPU-Z\GPU-Z

http://valid.canardpc.com/show_oc.php?id=2824559
http://www.techpowerup.com/gpuz/aepmc/
 
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squish8294

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Feb 24, 2013
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Wait, better yet...

I have, it still clocks in at x8. Even while running a benchmark, like OCPT. (sp?)




No, I don't have it in the top slot, it's in the middle at present. Do I need to disable some settings in the BIOS to get x16 out of my middle slot? :x


Sorry for all the edits and deletes, being a moderator on other forums, double posting annoys the piss out of me, so I do my best to not double post for the convenience of moderators on other forums. :)

Update: The main reason I'm asking is I'm wanting to figure out if my PCIe 2.0 card meant for 16 lanes of PCIE 2.0 is saturating my 8 lanes of PCI e 3.0 bandwidth, and as a result needs to be moved up, or is it running fine in PCI x8 in a 3.0 slot?
 
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AlienIsGOD

AlienIsGOD

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you need to have a PCI-E 3.0 gfx card for it to register, a 460 always will register as a 2.0 card. Also make sure that PCI E Link State Power management is off

Capture155.png
 
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squish8294

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Feb 24, 2013
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I know that my card is a 2.0 card. What I'm wanting to know, is that as it is in a pci e 3.0 slot, are the 8 lanes of PCI 3 bandwidth it IS getting SATURATED from a by the card's 2.0 interface, and as such, should I move it up a slot, and get full pci e 3.0 x16
 
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squish8294

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Feb 24, 2013
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I run my PC on High Performance power plan, where link state power management is off by default, and yes, I did check and it is off. :) Good suggestion though.
 
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