6 x Genuine P8251A INTEL Programmable Communications Interface Controller 8251ic

2 x KR580VV51A = 8251A Soviet Intel Clone USART IC KP580BB51A KR580WW51A 8251 IC

2x D8259AC-2 8259 NEC Programmable Interrupt Controller IC 8085 8086 8088 CPU

1 x SCN2651C Genuine SIGNETICS Programmable communications interface 2651 IC

1 x D8251AFC 8251 Programmable communication interface USART AM9551 iAPX86 IC

1 x M5L8251AP-5 8251 Programmable communication interface USART AM9551 iAPX86 IC

1 x Genuine P8259A 8259 AMD 8086 8088 Programmable interrupt controller IC

1 x INS2651N / 2651N Genuine NSC Programmable communications interface 2651 IC