The signal level conversion chip of the silkscreen 72GTE7 is located on the Antminer S19jpro hash board. It can be used in common with the 74GTE7, and its purpose is to transmit signals for the hash board. Among them, U1 is the RST signal level conversion chip, U2 is the RX signal level conversion chip, and U4 is the TX signal level conversion chip. Suppose the signal level conversion chip whose silkscreen is 72GTE7 is damaged. In that case, it is recommended that you replace the signal level conversion chip with a new one immediately to ensure the normal operation of the S19jpro hash board. We provide you with a high-quality, adequate supply of accessories and tools, welcome to buy.