Model 204 installation
See the installation page for the version of Model 204 you are installing, and the operating system you use. The list of supported operating systems for each version of Model 204 is shown on its own page.
Version 7.5 and later (z/OS)
Upgrading to Model 204 7.5 or later on IBM z/OS
Version 7.5 and later (VSE)
Model 204 installation on IBM z/VSE
Version 7.4
The version 7.4 installation guides provide useful reference information: