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I finally got it figured out. I set my BIOS to iGFX not auto or PCIe. Then rebooted and everything is working perfect.

Edited the hex and still only 2 displays. One thing that changed was in the system profiler it used to say AMD Radeon HD 7xxx 3072 MB, but now reads AMD HD7970X/8970/R9 280x 3072 MB

Thanks I just tried it, but still no luck. I can see 6 displays in system preferences, but only 2 monitors are working. I've attached my clover config file, but I don't think there is anything wrong with it. Starting to feel that I've exhausted the Framebuffer solution and there is some...

Thanks The only major change I've made since the original post is I've updated the MotherBoard BIOS and GPU BIOS. I used the Asus UEFI updater which worked fine, accept I had to change PCI ROM Priority from UEFI Compatible ROM in the BIOS to "Legacy ROM" for the machine to boot properly. I...

I'm already past 10.10.5 and I'm running 10.11.2. Is El Capitan my problem?

I feel that I'm doing something wrong in the following key's. <key>ATIConnectorsData</key> <key>ATIConnectorsPatch</key> I've also tried the a R9280X-DC2T-3GD5 card that I have. And I can also only get two displays working. editing the ATIConnectors Data & Patch lines don't seem to have...

Yes 4 Active DP to DVI adapters, 1 straight DVI, and 1 DVI to HDMI adapter. All 6 outputs work perfectly under window 7 & 10

I've switched <key>FBName</key><string>Junsai</string> to <key>FBName</key><string>Radeon</string> and I still only get 2 displays working correctly, while the other 4 displays show that they are detected with the correct monitor name, but are black.

I'm looking for some help on getting all 6 outputs working on my HD7970-DC2-3GD5 I've gone thru a couple guides, and although adding FBName Junsai does change which 2 monitors are working. Patching the Framebuffer seems to have no effect. I'm running 10.11.2 Below is how far I've gotten...

Today I was able to get 2 nvidia cards working a different system. P5WDH-Deluxe with 2 Geforce 9600gt's using EFI strings in Lion One of the major difference I noticed is that the PCIROOT location for the the Quadro Cards is much longer Quadro 1...

Today I upgraded a system from Snow Leopard to Lion. Everything went very smooth except I lost the ability to use two videos cards. (Import Note the card I am using is a Nvidia Quardo FX 4700x2, it is a single pci-express card with 2 separate gpu's) In Snow Leopard I used Chameleon RC4 with...