IBM SMS Card EDA. SMS Card, vintage computing, tech history, computer, mainframe, transistors, circuit board.
circuit_board.pcb3483-1.web_-scaled.jpg
IBM SMS Card EDA. SMS Card, circuit board, computer, mainframe, tech history, transistors, vintage computing.
circuit_board.pcb3486.web_-scaled.jpg
IBM SMS Card XAL. SMS Card, circuit board, computer, mainframe, tech history, transistors, vintage computing.
circuit_board.pcb3561.web_-scaled.jpg
IBM SMS Card XAM. SMS Card, circuit board, computer, mainframe, tech history, transistors, vintage computing.
circuit_board.pcb3573-1.web_-scaled.jpg
IBM SMS Card XAK. SMS Card, circuit board, computer, mainframe, tech history, transistors, vintage computing.
circuit_board.pcb3613.web_-scaled.jpg
IBM SMS Card YFH. SMS Card, circuit board, computer, mainframe, tech history, transistors, vintage computing.
circuit_board.pcb3623.web_-scaled.jpg