Standard air-cooled WhatsMiners are designed with high-speed fans to pull air across the hash boards. When submerged in liquid, these fans must be removed because the density of the oil would burn out the fan motors.
Immersion firmware is a modified version of the control software specifically designed for liquid-cooled environments. It addresses the hardware logic conflicts created by removing air cooling components. whatsminer immersion firmware
For MicroBT Whatsminer models (such as the M20, M30, M50, and M60 series), this firmware typically offers three main adjustments: and M60 series)