What you need is:
1. Adaptec ASPI layer Version 4.6
2. Adaptec ASPI update.
(Adatptec ASPI layer is a piece of software by it self, you are confusing it with EZ-CD).
If your OS refuses to install these files then you need ForceASPI.
ForceASPI is a program to enforce the installation of th above, it has no value by it self.
You will find links to this staff at:
cdrinfo.com