Summary of changes

Summary of Changes for SB10-7183-00 IBM Z Input/Output Configuration Program User's Guide ICP IOCP - December 2025

This revision contains technical and editorial changes.

New Information:
  • New ICP IOCP release level: ICP IOCP Version 7 Release 1.2
  • Increase to 512 Coupling channel paths
  • Increase to 8 CHPIDs per port for channel path types: CS5, CL5, and CL6
  • Increase to 64 CL5 or CL6 PCHIDs.

Summary of Changes for SB10-7183-00 IBM Z Input/Output Configuration Program User's Guide ICP IOCP - May 2025

This revision contains technical and editorial changes.

New Information:
  • Support for IBM z17 LinuxONE Emperor 5 Model ML1 (See Table 2).

Summary of Changes for SB10-7183-00 IBM Z Input/Output Configuration Program User's Guide ICP IOCP - April 2025

This revision contains technical and editorial changes.

New Information:
  • New ICP IOCP release level: ICP IOCP Version 7 Release 1.0
  • Support for IBM z17 Model ME1 and LinuxONE Emperor 5 Model ML1 (See Table 2).
  • Support for new CHPID Type CL6 (See CHPID).
  • Increase in FUNCTION FID range.
  • Support for IBM SpyreTM Accelerator feature and PAIA FUNCTION type (See FUNCTION).
  • Support for IBM Network Express feature (See CHPID and FUNCTION). It can be defined as:
    • OSH CHPID type
    • NETD FUNCTION type
    • NETH FUNCTION type.
  • Support for PF keyword on FUNCTION statement.
  • Support for FIDPARM keyword on FUNCTION statement.

Summary of Changes for SB10-7177-02 IBM Z Input/Output Configuration Program User's Guide ICP IOCP - November 2023

This revision contains technical and editorial changes.

New Information:
  • Dynamic I/O changes are supported for an IBM z16 and IBM LinuxONE 4 remote CPC that hosts Linux on IBM Z and/or z/TPF images (See Table 2).
  • Maximum number of NPIV-enabled subchannels for an FCP channel path are increased (See Table 6).

Summary of Changes for SB10-7177-01 IBM Z Input/Output Configuration Program User's Guide ICP IOCP - April 2023

This revision contains technical and editorial changes.

New Information:
  • New ICP IOCP release level : ICP IOCP Version 6 Release 1.2
  • Support for IBM z16 models A02 and AGZ and LinuxONE Rockhopper 4 models LA2 and AGL. (See Machine limits.)

Summary of Changes for SB10-7177-00a IBM Z Input/Output Configuration Program User's Guide ICP IOCP

This revision contains technical and editorial changes.

New Information:
  • Support for IBM LinuxONE Emperor 4 Model (LA1).

Summary of Changes for SB10-7177-00 IBM® Z and LinuxONE Input/Output Configuration Program User's Guide ICP IOCP

This revision contains technical and editorial changes.

New Information:
  • New ICP IOCP release level: ICP IOCP Version 6 Release 1.0
  • Support for IBM z16 (See Machine limits).
  • For information on IBM Z machines types 2084, 2086, 2094, 2096, 2097, and 2098, see publication Input/Output Configuration Program User's Guide for ICP IOCP, SB10-7172-04.
  • IOCP supports virtual storage above the 2GB bar. For more information, see the Chapter that is appropriate for running your operating system version of IOCP.
  • IOCP now accepts blank lines in its source input. For more information, see Coding IOCP statements.