M1 Mini N100 BIOS Fan Speed Guide

The M1 Mini N100 BIOS provides CPU and system fan control for quieter operation or stronger cooling.

Open the fan settings

1. Power off the system.
2. Press Del repeatedly during boot.
3. Open Advanced > Hardware Monitor > Smart Fan Function.
4. Select CPU Smart Fan Mode or System Smart Fan Mode.

• Manual Mode: set a fixed PWM value.
• Automatic Mode: use or edit the temperature-to-speed curve.
• Full on Mode: run the fan at full speed.

Save with F4 and confirm with Yes. After changing the curve, verify temperatures under a sustained workload.