HP XP7 Storage - Manual (Page 14)

7. Select option 2 and then press Enter on your keyboard.
The next Select Processor / Control Unit screen opens.
8. Enter the following information:
•
chpids that attach to the control unit
•
the logical control unit address
•
the device starting address
•
the number of devices supported
The LCU is defined.
Defining base or alias devices to host operating systems
Use the HCD program to define the mapping between a base or alias device to the host operating
system LCU.
1.
From the ISPF/PDF primary options menu, select the HCD option.
2. On the HCD main screen, for I/O definition file, verify the name of the IODF or IODF.WORK
I/O definition file you want to use, and then select option 1.
HP Confidential 14 Defining devices