A model-specific register (MSR) is any of various control registers in the x86 system architecture used for debugging, program execution tracing, performance monitoring, and toggling certain CPU features. == History == With the introduction of the 80386 processor, Intel began introducing "experimental" features that would not necessarily be present in future versions of the processor.
A model-specific register (MSR) is any of various control registers in the x86 system architecture used for debugging, program execution tracing, performance monitoring, and toggling certain CPU features. == History == With the introduction of the 80386 processor, Intel began introducing "experimental" features that would not necessarily be present in future versions of the processor.
Source: Wikipedia "Model-specific register" · CC BY-SA 4.0
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