IBM 990 - Manual (Page 154)

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zSeries 990 Technical Guide
The PCIXCC features are the cryptographic hardware for the z990 that support Secure Keys.
Clear Key support is provided by the PCICA cards and the CP Assist for Cryptographic
Function.
6.2.9 Additional Exploitation Support considerations
The following areas need to be considered when running z/OS in exploitation mode.
SMF
The SMF type 89 record is used for recording Product Usage data and is extended for
Exploitation mode support. A new field, SMF89LP3, allows an 8-bit LPAR ID to be stored.
This field is marked valid by the new flag bit SMF89LPM. When an LPAR ID is less than or
equal to x’F’, the LPAR ID is stored in both the new field and the old 4-bit SMF89LP2 field to
maintain compatibility.
Stand-alone dump
z/OS systems that have Exploitation Support installed must generate a new version of the
stand-alone dump program. This stand-alone dump program cannot be used for dumping
systems at earlier releases of z/OS or z/OS V1.4 systems that have only the Compatibility
Support installed.
Automation
The output from the D M=CPU command shows the two-digit LPAR ID (set in the image
profile), the LCSS ID associated with the logical CPUs associated with the logical partition in
that LCSS, and the MIF ID (see Figure 6-4 on page 143)s. The logical CPU address no
longer appears in the first digit of the serial number, as a result of the change to the STIDP
instruction.
Important: The ICSF Compatibility Support is available for OS/390 V2.10, z/OS V1.3, and
V1.4. Later releases have this support incorporated.
If you are running on an earlier level of OS/390 or z/OS, then you must upgrade the logical
partition calling ICSF to either OS/390 V2.10, z/OS V1.3, or V1.4 before you can move that
environment onto a z990 processor.