Elite 2800 bios not detecting amd hd6850

[Diego70s]

Bought a elite 2800 works fine, i put a amd hd6850 but bios doesnt recognize the gpu. All powersupply conections  are working fine pci express port already tested with another gpu  gtx260 and it worked fine.

I updated the bios to 2.8 something, but still cant make it work with the radeon hd6850

Bios setup doesnt show the dedicated gpu

I have a 600wt power supply with proper 24 to 6 pin adaptador 

[AndressaR]

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