A: Samsung locked BIOS updates behind their “Samsung BIOS” utility. If you have a pre-built Samsung PC, download BIOS from Samsung under your model’s firmware section. Do not flash a generic H61 BIOS.
Most H61S1 boards utilize Realtek chips for sound and LAN. Generic Realtek High Definition Audio and PCIe GBE Family Controller drivers are typically compatible. Intel Management Engine (ME): samsung h61s1 motherboard drivers