Samsung H61s1 Manual -

: The BIOS records hardware parameters in the CMOS. It is generally recommended to keep default settings for optimal stability unless specific performance adjustments are required.

Look at the ice cubes it produces. A fully working H61S1 produces cubes. samsung h61s1 manual

Because Samsung has largely exited the standalone motherboard market, users often rely on general H61 series documentation or third-party archives: : The H61M-S1 User's Manual : The BIOS records hardware parameters in the CMOS

Dual-channel DDR3 memory controller. Supports 800/1066/1333 MHz modules, expandable up to 8GB or 16GB total capacity depending on the specific sub-model. Expansion Slots: samsung h61s1 manual

Per the manual, press and hold the "Lighting" and "Energy Saver" buttons simultaneously for 5 seconds. The display will show "CL" and all other buttons become unresponsive.