Select the control unit associated with the CP:
- On the HCD Hardware Configuration panel, select Define, Modify or View Configuration Data.
- On the Define, Modify, or View Configuration Data panel, select Control Units.
- On the Control Unit List panel, click Add.
- On the Add Control Unit panel, specify the appropriate information, then press Enter.
- On the Select Processor/CU panel, specify action code S for the processor to which the control unit is attached. A different Add Control Unit panel appears.
- On this Add Control Unit panel, enter the control unit information, then press Enter to return to the Select Processor/CU panel.
- Press Enter.