I just picked up a Classified and have everything working with 10.6.4, but I can't get dual cards working on this board. I edited PEG1 and PEG2 when I had a Gigabyte P55A-UD4P and it worked flawlessly, but the same thing isn't working with this board. I even changed ADR, 0x00050000 to ADR, 0x00070000 and ADR, 0x00090000 due the Evga having a different layout, but I can't get into the OS while powering two cards(Using PCIe 1 and 3 of course).

Here's the edit I used, that worked with my UD4P. Just wondering if anyone's running dual cards on an Evga X58 board. Thanks!

Edit: Never mind, I got both GTX 260's working with Aquamac's dual card GFX string method!

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eVGA X58 Classified (E760)|i7 930|Corsair H50|G.Skill Pi Black (3 x 2GB) DDR3 1600|MSI GTX 480|Seasonic X750|D-link DWA-556
Silverstone Fortress 2 FT02B-W|Dell 2407FWP|Mac OS X 10.6.4 Samsung F3 500GB|Win7 X64 Samsung F3 500GB|Storage-WD Green 1TB