Hello Sylvia,
I used these specs
* Desktop Board: DX79SI
* Onboard Options Used
* Video card: GV-R777OC-1GD v2 (ATI HD7770) or GV-R785OC-1GD (ATI HD7850)
* Current BIOS: SIX7910J.86A (0559)
* Power Supply: Fortron Aurum 650 CM (650W)
* Processor: i7-3820
* Memory model: KHX2133C11D3K4/8GX
* Operating System: impossible to install
BR, Darei