Specifications

Intel
®
64 and IA-32 Architectures Software Developer’s Manual Documentation Changes 291
Documentation Changes
B-5 MSRS IN THE NEXT GENERATION INTEL PROCESSOR
(CODENAMED WESMERE)
Next Generation Intel 64 processors (codenamed Wesmere) supports the MSR interfaces
listed in Table B-5, plus additional MSR listed in Table B-6.
...
Table B-6 Additional MSRs supported by Next Generation Intel Processors
(Codenamed Wesmere)
Register
Address Register Name
Scope
Bit Description
Hex Dec
1A7H 423 MSR_OFFCORE_RS
P1
Thread Offcore Response Event Select Register (R/W)
1B0H 432 IA32_ENERGY_PE
RF_BIAS
Package see Table B-2.