| ========================== | 
 | CPU to ISA Version Mapping | 
 | ========================== | 
 |  | 
 | Mapping of some CPU versions to relevant ISA versions. | 
 |  | 
 | Note Power4 and Power4+ are not supported. | 
 |  | 
 | ========= ==================================================================== | 
 | CPU       Architecture version | 
 | ========= ==================================================================== | 
 | Power10   Power ISA v3.1 | 
 | Power9    Power ISA v3.0B | 
 | Power8    Power ISA v2.07 | 
 | e6500     Power ISA v2.06 with some exceptions | 
 | e5500     Power ISA v2.06 with some exceptions, no Altivec | 
 | Power7    Power ISA v2.06 | 
 | Power6    Power ISA v2.05 | 
 | PA6T      Power ISA v2.04 | 
 | Cell PPU  - Power ISA v2.02 with some minor exceptions | 
 |           - Plus Altivec/VMX ~= 2.03 | 
 | Power5++  Power ISA v2.04 (no VMX) | 
 | Power5+   Power ISA v2.03 | 
 | Power5    - PowerPC User Instruction Set Architecture Book I v2.02 | 
 |           - PowerPC Virtual Environment Architecture Book II v2.02 | 
 |           - PowerPC Operating Environment Architecture Book III v2.02 | 
 | PPC970    - PowerPC User Instruction Set Architecture Book I v2.01 | 
 |           - PowerPC Virtual Environment Architecture Book II v2.01 | 
 |           - PowerPC Operating Environment Architecture Book III v2.01 | 
 |           - Plus Altivec/VMX ~= 2.03 | 
 | Power4+   - PowerPC User Instruction Set Architecture Book I v2.01 | 
 |           - PowerPC Virtual Environment Architecture Book II v2.01 | 
 |           - PowerPC Operating Environment Architecture Book III v2.01 | 
 | Power4    - PowerPC User Instruction Set Architecture Book I v2.00 | 
 |           - PowerPC Virtual Environment Architecture Book II v2.00 | 
 |           - PowerPC Operating Environment Architecture Book III v2.00 | 
 | ========= ==================================================================== | 
 |  | 
 |  | 
 | Key Features | 
 | ------------ | 
 |  | 
 | ========== ================== | 
 | CPU        VMX (aka. Altivec) | 
 | ========== ================== | 
 | Power10    Yes | 
 | Power9     Yes | 
 | Power8     Yes | 
 | e6500      Yes | 
 | e5500      No | 
 | Power7     Yes | 
 | Power6     Yes | 
 | PA6T       Yes | 
 | Cell PPU   Yes | 
 | Power5++   No | 
 | Power5+    No | 
 | Power5     No | 
 | PPC970     Yes | 
 | Power4+    No | 
 | Power4     No | 
 | ========== ================== | 
 |  | 
 | ========== ==== | 
 | CPU        VSX | 
 | ========== ==== | 
 | Power10    Yes | 
 | Power9     Yes | 
 | Power8     Yes | 
 | e6500      No | 
 | e5500      No | 
 | Power7     Yes | 
 | Power6     No | 
 | PA6T       No | 
 | Cell PPU   No | 
 | Power5++   No | 
 | Power5+    No | 
 | Power5     No | 
 | PPC970     No | 
 | Power4+    No | 
 | Power4     No | 
 | ========== ==== | 
 |  | 
 | ========== ==================================== | 
 | CPU        Transactional Memory | 
 | ========== ==================================== | 
 | Power10    No  (* see Power ISA v3.1, "Appendix A. Notes on the Removal of Transactional Memory from the Architecture") | 
 | Power9     Yes (* see transactional_memory.txt) | 
 | Power8     Yes | 
 | e6500      No | 
 | e5500      No | 
 | Power7     No | 
 | Power6     No | 
 | PA6T       No | 
 | Cell PPU   No | 
 | Power5++   No | 
 | Power5+    No | 
 | Power5     No | 
 | PPC970     No | 
 | Power4+    No | 
 | Power4     No | 
 | ========== ==================================== |