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Gigabyte X79-UP4 Quadfire Issues

post #1 of 3
Thread Starter 
I thought I'd post this here in hopes that someone else has run into my issue and resolved it.

My boss at work has tasked me with building him a system capable of playing games at 60 fps on his 5 24 inch 1920x1200 monitors. At first we tried 2 7970's, then 3 and are now attempting 4. Unfortunately the board I'm using absolutely refuses to activate the 4th card.

All 4 cards are MSI Lightning 7970s. CPU is a 3930K at 4.3 GHz and 16 GB of Mushkin Red Line 2400 RAM. Also using a 1600W PSU. When the computer boots all 4 cards are powered up so that most likely is not the issue.

In GPU-Z under the render test it shows GPU 1 running at 3.0 x16, 2 at 3.0 x8 and 3 at 3.0 x16. So from what I can tell the board isn't giving the 4th slot any lanes. I have tested the 4th card in the 1st slot and it functions perfectly so I know its not that. The fourth card is not present in device manager.

Bios are updated and this is actually the 2nd board I've tried. Gigabyte tech support advised me to return the previous board, but I'm getting the same issues.

So hopefully somebody out there has run into this and can help me out, it would be much appreciated!
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Sandisk Extreme LG Blu-Ray/HD-DVD Cooler Master Nepton 280L Win 8.1 Pro 
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post #2 of 3
Thread Starter 
Figured I'd close this one out in case anyone finds this on Google.

The fix ended up being this:

1. Clear CMOS
2. Insert card in bottom slot ONLY.
3. Start computer, boot into windows, shut down.
4. Install 3 other cards.
5. Success.
AMD 2013
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AMD 2013 Jr.
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CPUMotherboardGraphicsRAM
AMD FX-9590 Asus Crosshair V Formula Z HIS R9 290 Crucial Ballistix Elite 1866 
Hard DriveOptical DriveCoolingOS
Sandisk Extreme LG Blu-Ray/HD-DVD Cooler Master Nepton 280L Win 8.1 Pro 
MonitorPowerCaseAudio
50" Panasonic Plasma Corsair AX1200 Fractal Design Define XL R2 Pioneer VSX-1018 
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CPUMotherboardGraphicsRAM
AMD FX-9590 Asus Crosshair V Formula Z HIS R9 290 Crucial Ballistix Elite 1866 
Hard DriveOptical DriveCoolingOS
Sandisk Extreme LG Blu-Ray/HD-DVD Cooler Master Nepton 280L Win 8.1 Pro 
MonitorPowerCaseAudio
50" Panasonic Plasma Corsair AX1200 Fractal Design Define XL R2 Pioneer VSX-1018 
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post #3 of 3
First thing I would do is return that board and get a RIVE or RIVF. And considering its a work purchase, it shouldn't be too troublesome... something something gigafail.
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