For legacy hardware (synths, samplers) there are not many options when the company who produced them is out of business like E-mu or Ensoniq. I have 2 of these old keyboards and now I am trying to replace the floppy und SCSI drives with something more modern. For floppys there is the Gotek FlashFloppy which replaces the floppy drive with a USB adapter. But it is a mess to install it. Also it does not work with all legacy synths. For SCSI there exists the RaSCSI solution which is a Raspi nano or pico which emulates a SCSI drive.
https://studio-services.de/produkt/gotek-flashfloppy-extra-g...