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pcie pinout

Elerek
By Elerek
in CPUs, Motherboards, and Memory
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I have an intel s2600gz motherboard that I got for <$100 with 2 e5-2670 cpus in it. This motherboard has 2 pcie x24 slots.

 

I know I can plug in an x16 extension to use the first 16 lanes for a gpu, but what about the back 8 lanes?
Could I theoretically get one of the x8 to x16 extension cables with a molex and cut off the power pins on the front of the x8 male connector and put it at the back of the x24 slot?

 

I might just be crazy and need to find/buy one of the proprietary risers, but they're expensive and I'd prefer a lower profile solution.

 

edit: something like this http://www.moddiy.com/products/PCI%2dExpress-PCI%2dE-8X-to-16X-Riser-Card-Flexible-Ribbon-Extender-Cable-w{47}Molex-%2b-Solid-Capacitor.html?gclid=CL3plJfbqs4CFUYvgQodxmEIBg

Build: Intel S2600gz, 2x E5-2670, EVGA SC 1070, Zotac 1060 6GB mini, 48GB Micron 1333mhz ECC DDR3, 2x Intel DPS-750XB 750 watt PSU

https://pcpartpicker.com/user/elerek/saved/3T7D4D

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It's an Intel specified x24 pcie 3.0 slot. I'm fairly certain it's just an x16 slot with 8 extra lanes added.

Build: Intel S2600gz, 2x E5-2670, EVGA SC 1070, Zotac 1060 6GB mini, 48GB Micron 1333mhz ECC DDR3, 2x Intel DPS-750XB 750 watt PSU

https://pcpartpicker.com/user/elerek/saved/3T7D4D

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