MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like.	These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 00000401h - Pentium Pro - "MC0_STATUS" Machine Check Status 0
SeeAlso: MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like.	These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 00000400h,MSR(Model-Specific Register) Additional, indirectly-accessible, registers containing control or status information about various aspects of the processor such as caches, performance counters, and the like.	These registers, accessible via the RDMSR and WRMSR instructions, were added with the Pentium and later-model 486 processors. 00000403h


Bitfields for Pentium Pro Machine Check Status:
Bit(s)	Description	(Table R0052)
 63	"MC_STATUS_V"
 62	"MC_STATUS_O"
 61	"MC_STATUS_UC"
 60	"MC_STATUS_EN"
 59	"MC_STATUS_MISCV"
 58	"MC_STATUS_ADDRV"
 57	"MC_STATUS_DAM"
 56-32	reserved
 31-16	"MC_STAT_MSCOD"
 15-0	"MC_STAT_MACCOD"