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Author Topic: Computer only recognizes 2 grafic cards  (Read 984 times)
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July 26, 2012, 09:54:22 PM
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hello, i am building a miner with following components:
board: asus p5q deluxe, cpu: intel c2d e6600 RAM: 4x1 gig corsair: power supply: enermax revolution 1020W.
GPU's: 2x 5870 2X5850
OS: windows 7 x64(clean reinstallation already done)

my problem is the computer only recognizes 2 of the cards. and yes, i am using vga dummy plugs Wink
if i change 2 cards he ever recognizes the cards which are on the blue pcie slot and the card on the bottom pcie slot(black)
i am using 1x pcie risers to connect the cards.

does anyone have a clue where the problem can be?

thx, remedin
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July 26, 2012, 10:00:27 PM
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I would check to make sure that putting a card in one of the other slots doesnt disable the rest. I had that issue with my GA-695P-DQ6.

Use both x16 slots and all of the x1 slots are disabled.

Checking the user manual of your board now.

Well, it doesn't say anything...

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July 26, 2012, 10:14:00 PM
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Use both x16 slots and all of the x1 slots are disabled.
it seems to be so, but i cant find any option for this in the bios Sad
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July 28, 2012, 07:36:24 AM
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anyone a idea how i can fix this?
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July 28, 2012, 11:04:40 PM
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Intel P45 handle 16 pci-e lanes for first two slots and ICH10 have another 4 lanes for the rest. Try to install cards to pci-ex16_1, pci-ex16_3, pci-ex1_1  pci-ex1_2.   

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July 29, 2012, 02:31:13 PM
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i disconnected all cards and connected only one to pci-ex1. bios beep code says no grafic card. whats wrong with the bios settings?
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July 29, 2012, 03:21:24 PM
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See here;

https://bitcointalk.org/index.php?topic=36061.0
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July 29, 2012, 03:41:15 PM
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tried to bridge the contacts but still doesnt detect the grafic card on 1X slot Sad
EDIT:
tried to bridge it on the motherboard(bridged it on the riser before) and now it seems to work!
THANK YOU GUYS, YOU ARE THE BEST!!! Wink
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July 29, 2012, 04:49:46 PM
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Didn't even think you might do that , yeah a little piece of wire and bingo it generally works fine. Glad your issue was solved.
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