The Antminer universal test fixture upgraded version features plug-in and unplug control functions, as well as signal power control functions, based on the original Antminer universal chip fixture. It supports repeated testing of Bitmain hashboards, thereby improving repair efficiency and reducing human errors. Models tested include Antminer S21XP, S21+ Hydro, L9, S21Pro, S21 Hydro, T21, KS5PRO, KS5, KS3, S19Pro Hydro, S19Pro+ Hydro, S21, KA3, HS3, K7, D7, L7, S19kpro, S19XP, S19XP Hydro, S19Pro, T19 Hydro, S19 Hydro, S19jpro, S19j, S19+, S19jpro+, T19, S19, S19i, S17+, S17e, S17, S17pro, T17+, T17e, T17, S15, T15, Z15, S11, S9se, S9k, S9j, S9i, T9+, T9, Z9, Z9mini, S9, etc.