Recently plugged in my CPU, and only 2 cores are being used. Msconfig only shows it as a Dual Core, and going into bios doesn't give me an Option to set it to 4. Just "Automatic" and "2 Cores per Processor".
Windows 10 64 Bit
GA-F2A55M-HD2 Rev 3.0 BIOS Version FF
Windows 10 64 Bit
GA-F2A55M-HD2 Rev 3.0 BIOS Version FF