D41D52D63D74RD#5NC6WR#7NC8GND9PB010PB111PB212PB313PB414PB515PB616PB717PCLK18IEI19IEO20PC021PC122PC223PC324+5V25INT#26INTACK#27NC28NC29PA730PA631PA532PA433PA334PA235PA136PA037A038A139CE#40D041D142D243D344