H81 Not recognizing PCI bus 4, 2 boards failed

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   I'm really surprised that you got 5/6 1070's to work.  I can only get 3 to work consistently.  I have the same G1840 processor with the same board.  Did PCI bus 4 give you the error code 12, something about not having enough resources?

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7rank99 Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 21 Nov 2017 Status: Offline Points: 3	Post Options Post Reply Quote 7rank99 Report Post Thanks(0) Quote Reply Topic: H81 Not recognizing PCI bus 4, 2 boards failed Posted: 21 Nov 2017 at 5:25am
	I'm really surprised that you got 5/6 1070's to work. I can only get 3 to work consistently. I have the same G1840 processor with the same board. Did PCI bus 4 give you the error code 12, something about not having enough resources?

Darksoul Members Profile Send Private Message Find Members Posts Add to Buddy List Newbie Joined: 29 Jul 2017 Status: Offline Points: 4	Post Options Post Reply Quote Darksoul Report Post Thanks(0) Quote Reply Posted: 30 Jul 2017 at 12:00am
	As the title says, I have a mining rig running the ASRock H81 BTC R2.0 , it is connected via risers to 6 Geforce 1070 GPU's running on Windows 10 64. When I turn the machine on and go look for the cards in the device manager, it only sees 5 of the 6 cards, and when I select properties for each card, bus 4 is always the missing bus/GPU. I have tested the risers and the GPU's independently finding no problems with that hardware. I am not really a PC guy, so this is all new to me, the only thing I can maybe think of is that it is using an older Intel Celeron G1840 processor, maybe its too much to handle? if that makes any sense. Last, I have replaced the mobo with another H81 and the same problem persists, fails to recognize PCI bus 4 Any insight would be greatly appreciated.