How to test the 4-pin fan with PWM and TACH? How to enter the BIOS setting?

Autonomous Machines Jetson & Embedded Systems Jetson Nano
1

I want to test the cooling fan with PWM and TACH, maye I need to enter the BIOS. or other method to test the 4-PIN fan?

2

hello harryf8519,

suggest you refer to Topic 1049655