Samsung B75s1 Bios Today
If you bought a "K" series CPU (e.g., i7-3770K), do not get excited. The B75S1 locks down voltage controls and multiplier adjustments almost entirely. You get basic memory frequency selection (DDR3-1066/1333/1600) and nothing else. This is a business BIOS, not an enthusiast board.
Samsung decided to hide the real system configuration (SATA mode, VT-d, USB wake) behind a key combination. Usually, you have to press Ctrl + F1 or Alt + F1 on the main screen to unlock the full menu. If you don't know that trick, you will think the BIOS is missing half its features. Samsung B75s1 Bios
Compared to modern UEFI bloatware, this BIOS is lightning. From power-on to OS loader takes about 3-4 seconds on an SSD. Samsung optimized the POST (Power-On Self-Test) routine beautifully here. If you bought a "K" series CPU (e