The HD20 [1] emulated here uses some Apple-specific protocol, so it can be connected to the DB19. The SCSI port can also be be used, to connect some old hard ex

The HD20 [1] emulated here uses some Apple-specific protocol, so it can be connected to the DB19. The SCSI port can also be be used, to connect some old hard external SCSI drive or a modern solution like SCSI2SD. The floppy-emu is easier to setup, though. [1] https://en.wikipedia.org/wiki/Hard_Disk_20 https://en.wikipedia.org/wiki/Hard_Disk_20 [2] http://www.codesrc.com/mediawiki/index.php?title=SCSI2SD http://www.codesrc.com/mediawiki/index.php?title=SCSI2SD