Draft Document for Review September 23, 2019 1:37 am 8860ch12.fm 9. HCD again shows the Modify Device Parameters panel where you can override the Unit  Address (UA) numbers. Press  Enter  to continue. Figure 12-13 Control units: Change Control Unit Definition detail Select Processor / CU +---------------------- Change Control Unit Definition -----------------------+ | | | | | Specify or revise the following values. | | | | Control unit number . : A000 Type . . . . . . : 2107 | | Processor ID . . . . . : ARIES | | Channel Subsystem ID . : 2 | | | | Channel path IDs . . . . 14 15 __ __ __ __ __ __ + | | Link address . . . . . . 4111 ____ ____ ____ ____ ____ ____ ____ + | | | | Unit address . . . . . . 00 __ __ __ __ __ __ __ + | | Number of units . . . . 256 ___ ___ ___ ___ ___ ___ ___ | | | | Logical address . . . . 40 + (same as CUADD) | | | | Protocol . . . . . . . . __ + (D, S or S4) | | I/O concurrency level . _ + (1, 2 or 3) | | | | F1=Help F2=Split F3=Exit F4=Prompt F5=Reset F9=Swap | | F12=Cancel | +-----------------------------------------------------------------------------+ 280  IBM z15 (8561) Configuration Setup