This information supports z/OS (5650-ZOS) and contains information about Hardware Configuration Definition (HCD) unit information modules (UIMs).

Purpose of this information
This information is intended to describe tasks you need to perform to write installation-supplied UIMs.

Who should read this information
This book is intended for system programmers who are responsible for writing installation-supplied UIMs. The user must know the hardware and software configuration characteristics of the I/O unit that needs a UIM, and should be familiar with basic MVS concepts, with the Input/Output Configuration Program (IOCP), and with HCD.



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Last modified:
10 Jul 2019

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