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X79 chipset

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March 28, 2012 11:25:50 PM

Hey

Is the x79 a low end chip? I've read that there is compatibility issues with the gtx 680 cards and that Nvidia needs to release drivers to fix the PCI issue ..... ?

If this is gigabytes low end chipset then what is a mid and high end chip?

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a b V Motherboard
March 29, 2012 2:26:17 AM

The X79 chipset is a design improvement for the new 2011 socket motherboard. I can't speak for the 680 issue but the chipset will be on ALL the new motherboards built for the Sandy Bridge-E cpu's
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a c 717 V Motherboard
March 29, 2012 4:27:14 PM

Welcome to Tom's Forum! :) 

Duh What?! The X79 is the opposite, it's the highest-end consumer chipset. The chipset has nothing to do with the GPU(s). Since LGA 1155 (P67, Z68, etc) the GPU's have a direct pathway to the CPU, and it's the same for the LGA 2011 X79.

The LGA 1155 Sandy Bridge is x16 PCIe lanes, and the current Sandy Bridge LGA 1155 is PCIe 2.0.

In contrast, the LGA 2011 Sandy Bridge Extreme which has the X79 chipset offers x32 PCIe lanes, and the Sandy Bridge Extreme LGA 2011 is PCIe 3.0 or in other words offers 400% more PCIe bandwidth to the GPU(s).

Q - Where did you see this info?
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March 29, 2012 5:34:05 PM

jaquith said:
Welcome to Tom's Forum! :) 

Duh What?! The X79 is the opposite, it's the highest-end consumer chipset. The chipset has nothing to do with the GPU(s). Since LGA 1155 (P67, Z68, etc) the GPU's have a direct pathway to the CPU, and it's the same for the LGA 2011 X79.

The LGA 1155 Sandy Bridge is x16 PCIe lanes, and the current Sandy Bridge LGA 1155 is PCIe 2.0.

In contrast, the LGA 2011 Sandy Bridge Extreme which has the X79 chipset offers x32 PCIe lanes, and the Sandy Bridge Extreme LGA 2011 is PCIe 3.0 or in other words offers 400% more PCIe bandwidth to the GPU(s).

Q - Where did you see this info?



the video adapter does not support PCI Express Gen 3.0 on motherboards powered by the X79 chipset (Thats what my french fry fingers were trying to type)
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a c 717 V Motherboard
March 29, 2012 6:25:54 PM

Yes, it (SB-E) LGA 2011 (X79) does 100% support PCIe 2.0 "Video Adapters"; see mine with (2) GTX 560's (PCIe 2.0) -> http://valid.canardpc.com/show_oc.php?id=2261309 I actually set a validated 3DMark11 record -> http://3dmark.com/compare/3dm11/2647641/3dm11/2799442

Huh?! The SB-E auto switches to PCIe 2.0 when a PCIe 2.0 GPU is installed <or> in the BIOS change it to PCIe 2.0 which is completely unnecessary.

What's the difference when Ivy Bridge (PCIe 3.0) come out and you have a PCIe 2.0 GPU?! Most of the LGA 1155 MOBO's ship (now) with PCIe 3.0 (GEN3) switches.

Therefore, you're good with LGA 2011/X79/SB-E! :) 
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