CPUID Base Register
| REVISION | Indicates patch release: 0x0 = Patch 0 |
| PARTNO | Indicates part number |
| RESERVED | (Constant) Reads as 1 |
| RESERVED | (Constant) Reads as 1 |
| RESERVED | (Constant) Reads as 1 |
| RESERVED | (Constant) Reads as 1 |
| VARIANT | Indicates processor revision: 0x2 = Revision 2 |
| IMPLEMENTER | Implementer code |