This is the 4 AutoLoad proms on the Computer automation Alpha LSI/2 minicomputer, from the board 73-53505, in bin format. ic10 got another checksum first time i loaded it on the data I/O 22, no guarantee that they work. if you have the bin files with other checksum please contact me. 256 byte x 4… Continue reading Autoload proms from board 73-53505