The following document has information regarding controlling the Ebox Fans for the comp 2024 cycle here:
Link for fan:https://www.mouser.ca/ProductDetail/CUI-Devices/CFM-6025BG68-2100-535-22?qs=ST9lo4GX8V05APoDwUaIFQ%3D%3D
Voltage: 24 V
PWM Frequency must be between 20~30 kHz
PWM Voltage range from 0-5 V
Link for PWM reference: https://deepbluembedded.com/stm32-pwm-example-timer-pwm-mode-tutorial/