Look near the CPU socket. Count the small black rectangular chips (MOSFETs). The MS7869 Ver 1.0 has chokes for Vcore. That confirms a 3-phase design. Do not exceed 77W TDP.
Align the golden triangle on the processor with the corner of the socket. ms7869 ver 10 cpu support verified
Download the latest available BIOS update (typically a .cap or .rom file bundled with a Windows flashing utility). Look near the CPU socket