B20配件板包含芯片：FMC9647;  P9736AD;  AD669; CS5501-BP; T9947;

EPF10K30AQC208-2;   6417727F;  D45128163G5;  LT1085;

EPF10K30AQC240-2;  S9448AD;  MC10E131FN; 1DT72V255;

HD6303RP;  74LS273N;  SN74LS684N;  PHILIPPINES8710N;