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While the allure of "free hashrate" via immersion firmware is strong, there are significant risks to consider:
For MicroBT Whatsminer models (such as the M20, M30, M50, and M60 series), this firmware typically offers three main adjustments:
MicroBT has recognized the shift toward immersion and offers factory-supported immersion models (designated with an "I" or "IM" suffix, e.g., M50S IMM).
To truly unlock the potential of immersion cooling, the machine's brain must be tuned for the environment. This is where comes into play.
Immersion firmware reconfigures the temperature shutdown and throttling protocols. It ensures the machine can operate safely within the specific thermal parameters of dielectric fluid, preventing unnecessary shutdowns while still protecting the hardware from critical overheating.
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 allows higher chip temps safely, but efficiency drops.
Why Immersion Needs Specialized Firmware