Vol. 3C 35-29
MODEL-SPECIFIC REGISTERS (MSRS)
46AH
IA32_MC26_ADDR
1
MC26_ADDR
If IA32_MCG_CAP.CNT >26
46BH
IA32_MC26_MISC
MC26_MISC
If IA32_MCG_CAP.CNT >26
46CH
IA32_MC27_CTL
MC27_CTL
If IA32_MCG_CAP.CNT >27
46DH
IA32_MC27_STATUS
MC27_STATUS
If IA32_MCG_CAP.CNT >27
46EH
IA32_MC27_ADDR
1
MC27_ADDR
If IA32_MCG_CAP.CNT >27
46FH
IA32_MC27_MISC
MC27_MISC
If IA32_MCG_CAP.CNT >27
470H
IA32_MC28_CTL
MC28_CTL
If IA32_MCG_CAP.CNT >28
471H
IA32_MC28_STATUS
MC28_STATUS
If IA32_MCG_CAP.CNT >28
472H
IA32_MC28_ADDR
1
MC28_ADDR
If IA32_MCG_CAP.CNT >28
473H
IA32_MC28_MISC
MC28_MISC
If IA32_MCG_CAP.CNT >28
480H
1152
IA32_VMX_BASIC
Reporting Register of Basic VMX
Capabilities (R/O)
See Appendix A.1, “Basic VMX Information.”
If CPUID.01H:ECX.[5] = 1
481H
1153
IA32_VMX_PINBASED_CTLS
Capability Reporting Register of Pin-
based VM-execution Controls (R/O)
See Appendix A.3.1, “Pin-Based VM-
If CPUID.01H:ECX.[5] = 1
482H
1154
IA32_VMX_PROCBASED_CTLS
Capability Reporting Register of Primary
Processor-based VM-execution Controls
(R/O)
See Appendix A.3.2, “Primary Processor-
If CPUID.01H:ECX.[5] = 1
483H
1155
IA32_VMX_EXIT_CTLS
Capability Reporting Register of VM-exit
Controls (R/O)
See Appendix A.4, “VM-Exit Controls.”
If CPUID.01H:ECX.[5] = 1
484H
1156
IA32_VMX_ENTRY_CTLS
Capability Reporting Register of VM-
entry Controls (R/O)
See Appendix A.5, “VM-Entry Controls.”
If CPUID.01H:ECX.[5] = 1
485H
1157
IA32_VMX_MISC
Reporting Register of Miscellaneous
VMX Capabilities (R/O)
See Appendix A.6, “Miscellaneous Data.”
If CPUID.01H:ECX.[5] = 1
486H
1158
IA32_VMX_CR0_FIXED0
Capability Reporting Register of CR0 Bits
Fixed to 0 (R/O)
See Appendix A.7, “VMX-Fixed Bits in CR0.”
If CPUID.01H:ECX.[5] = 1
487H
1159
IA32_VMX_CR0_FIXED1
Capability Reporting Register of CR0 Bits
Fixed to 1 (R/O)
See Appendix A.7, “VMX-Fixed Bits in CR0.”
If CPUID.01H:ECX.[5] = 1
488H
1160
IA32_VMX_CR4_FIXED0
Capability Reporting Register of CR4 Bits
Fixed to 0 (R/O)
See Appendix A.8, “VMX-Fixed Bits in CR4.”
If CPUID.01H:ECX.[5] = 1
Table 35-2. IA-32 Architectural MSRs (Contd.)
Register
Address
Architectural MSR Name and bit
fields
(Former MSR Name)
MSR/Bit Description
Comment
Hex
Decimal