IEA521I   devtype DEVICE TYPE NOT RECOGNIZED (num DEVICES)

Explanation

The system could not find a valid unit information module (UIM) for the specified device type.

In the message text:
devtype
The device type.
num
The number of devices.

System action

System initialization continues. The system does not recognize any devices of the specified device type.

System programmer response

Search problem reporting data bases for a fix for the problem. If no fix exists, contact the IBM® Support Center.

Source

Input/output supervisor (IOS)

Module

IEAIPL71