Specifications

Chapter 3. Virtualization 123
On Power System servers, partitions can be configured to run in several modes, including:
򐂰 POWER6 compatibility mode
This execution mode is compatible with Version 2.05 of the Power Instruction Set
Architecture (ISA). For more information, visit the following address:
http://www.power.org/resources/reading/PowerISA_V2.05.pdf
򐂰 POWER6+ compatibility mode
This mode is similar to POWER6, with eight additional Storage Protection Keys.
򐂰 POWER7 mode
This is the native mode for POWER7 processors, implementing the v2.06 of the Power
Instruction Set Architecture. For more information, visit the following address:
http://www.power.org/resources/downloads/PowerISA_V2.06_PUBLIC.pdf
The selection of the mode is made on a per-partition basis, from the managed console, by
editing the partition profile (Figure 3-2).
Figure 3-2 Configuring partition profile compatibility mode from the managed console