Got 970A-G46 No support for 4 Video cards?

Hello, Got this board under the impression I would be able to run 4x individual video cards under a Linux install for work related projects, thus each card is on its own processing data. Right now I have 3 video cards working, but once I introduce the 4th video card, the motherboard starts to not work correctly as in sometimes 1 video card works, and none of them are detected, I do a reboot then a different card is seen and that's it.
I have verified I have enough power from my PSU
I'm using x1-x16 power risers so each card is hooked up for power to reduce the strain on the motherboard itself.
I have verified that each card is non DOA, each riser is correctly working and tested.
I'm trying to figure this out so I don't gotta swap to another board which will allow me to run 4x Video cards for my work related projects at my job. Thanks.
Latest Video drivers, latest BIOS, RAM working correctly, nothing is overheating. each PCI-e slot is alive.

Quote from: flobelix on 01-May-14, 23:14:16
It is not possible to run the board with four vgas. NO 970 board is meant for that tasks. Abnormal usage for mining is not officially supported and a matter of your luck and your research to find products working with odd configs. This board features two physical X16 slots and these are obviously the only slots to support vgas. There is no X1 vga. Risers aren't supported. The maximum possible with 970A-G46 is using two vgas in the x16 slots (x8/x8 config). That means besides using two vgas for multimonitor/physx setups also SLI and Crossfire (each two-way) are possible.
Well I was using it for non-mining projects, running ocl-Hashcat. Not sure why everyone assumes its for mining coins.

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Quote
Unfortunately I don't have another am3+ cpu/board to test.
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Message Edited by velazkid on 08-06-2009 09:04 PM

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Got 970A-G46 No support for 4 Video cards?

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