A75A-G35 C6 mode issue

Hello all,

I have an MSI motherboard with following specs:

Rosewill Stallion Series RD500-2SB 500W ATX12V v2.2 Power Supply
MSI A75A-G35 FM1 AMD A75 (Hudson D3) SATA 6Gb/s USB 3.0 HDMI ATX AMD Motherboard with UEFI BIOS
AMD A8-3850 (using integrated A...