This file contains the drivers for Windows 9x and for DOS. Unzip to a temp folder on your hard drive. You will have 2 exe files, one for Windows 9x and another for dos. Plus a few htm files that contain instructions on how to configue the I/O card. There is also a txt file showing the jumper settings for the I/O card.
The CD55A and it's respective I/O card is a proprietary type drive. The drive must be connected to this special card.... it won't work connected to an ide controller.