The card in slot 1 is a parallel printer adapter. On the end of the attached cable is a 36 pin Centronics (Amp) connector. It's understandable that is can be confused with a SCSI cable, the common connector for SCSI is a 50 pin version of this same style Amp. connector. The construction of the board/cable looks Japanese, most likely this a interface board that came with/from a printer manufacturer like Epson/Oki/NEC etc.