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This user's guide describes the Input/Output Configuration Program (ICP IOCP) that supports multiple logical channel subsystems for 9176, 9175, 3932, 3931, 8562, 8561, 3907, 3906, 2965, 2964, 2828, 2827, 2818, and 2817 CPCs. It is intended for system programmers and service representatives who are responsible for defining, installing, and configuring the functions, channel paths, control units, and I/O devices on CPCs that require ICP IOCP.

Note: IBM z 16 Rack Mount Bundle (FC 0515) is listed under the warranty ID of AGZ. IBM LinuxONE Rockhopper 4 Rack Mount Bundle (FC 0516) is listed under the warranty ID of AGL. This information is provided for the purposes of logistics and service call management.

Table 1. EC levels that ICP IOCP supports
Supported models	EC level
IBM z17™ / IBM LinuxONE Rockhopper 5 - 9176	All EC levels
IBM z17™ / IBM LinuxONE Emperor 5 - 9175	All EC levels
IBM z16™ / IBM LinuxONE Rockhopper 4 - 3932	All EC levels
IBM z16 / IBM LinuxONE Emperor 4 - 3931	All EC levels
IBM® z15® (z15) / IBM LinuxONE III - 8562	All EC levels
IBM z15 (z15) / IBM LinuxONE III - 8561	All EC levels
IBM z14® (z14) / IBM LinuxONE Rockhopper II (Rockhopper II) - 3907	All EC levels
IBM z14 (z14) / IBM LinuxONE Emperor II (Emperor II)- 3906	All EC levels
IBM z13s® (z13s®) / IBM LinuxONE Rockhopper (Rockhopper)- 2965	All EC levels
IBM z13® (z13®) / IBM LinuxONE Emperor (Emperor) - 2964	All EC levels
zEnterprise® BC12 (zBC12) - 2828	All EC levels
zEnterprise EC12 (zEC12) - 2827	All EC levels
zEnterprise 114 (z114) - 2818	All EC levels
zEnterprise 196 (z196) - 2817	All EC levels
Legend: IBM z17 / IBM LinuxONE Rockhopper 5: Models ME2, ML2, MER, and MLR IBM z17 / IBM LinuxONE Emperor 5: Models ME1 and ML1 IBM z16 / IBM LinuxONE Rockhopper 4: Models A02, LA2, AGZ, and AGL IBM z16 / IBM LinuxONE Emperor 4: Models A01 and LA1 z15 / LinuxONE III: Models T02 and LT2 z15 / LinuxONE III: Models T01 and LT1 z14 / Rockhopper II: Models ZR1 and LR1 z14 / Emperor II: Models M01, M02, M03, M04, M05, LM1, LM2, LM3, LM4, and LM5 z13s / Rockhopper: Models N10, N20, L10, and L20 z13 / Emperor: Models N30, N63, N96, NC9, NE1, L30, L63, L96, LC9, and LE1 zEnterprise BC12 - 2828: Models H06 and H13 zEnterprise EC12 - 2827: Models H20, H43, H66, H89, and HA1 zEnterprise 196 - 2817: Models M15, M32, M49, M66, and M80 zEnterprise 114 - 2818: Models M05 and M10

This user's guide assumes that the reader has a knowledge of the CPCs that support the characteristics of their I/O resources.

Use IOCP to define I/O configuration data the CPC requires to control I/O requests. This user's guide does not include information about how to configure I/O resources, but only on how to define the configuration by using IOCP.

Note: For information describing the ESCON and FICON® channel-to-channel (CTC) implementation, see the ESCON and FICON Channel-to-Channel Reference, SB10-7034.