CD Technology
CDT Porta-Drive CD Driver 1.5.2 (841 k)
This is a CD Technology CD Porta-Drive 3400 Series Device Driver v1.5.2.
Its system requirements are 1MB memory, hard drive, System 4.2 and Finder 6.0 or later.
Actual driver is by Toshiba (1992) - may work with other Toshiba drives?