Listed below are the compatible motherboards and the number of the required BIOS version.
M4A89GTD PRO (AMD® 890GX/SB850) - BIOS 1104 M4A89GTD PRO/USB3 (AMD® 890GX/SB850) - BIOS 1104 Crosshair III Formula (AMD® 790FX/SB750) - BIOS 1503 M4N72-E (NVIDIA nForce® 750a SLI) - BIOS 2005 M4N82 DELUXE (NVIDIA nForce® 980a SLI with NVIDIA NVCC and ESA support) - BIOS 1803 M4N75TD (NVIDIA nForce® 750a SLI/Supports NVIDIA Clock Calibration(NVCC) function) - BIOS 0903 M4N98TD EVO (NVIDIA nForce® 980a SLI Supports NVIDIA Clock Calibration(NVCC) function) - BIOS 0603 M4A79 Deluxe (AMD® 790FX/SB750) - BIOS 3204 M4A79T Deluxe (AMD® 790FX/SB750) - BIOS 3004 M4A78T-E (AMD® 790GX/SB750) - BIOS 3204 M4A78-E (AMD® 790GX/SB750) - BIOS 2405 M4A78-E SE (AMD® 790GX/SB750) - BIOS 1405