| 3dnow | 3DNow! (AMD vector instructions, competing with Intel's SSE1) | asus |
| 3dnowext | AMD 3DNow! extensions | asus |
| 3dnowprefetch | 3DNow prefetch instructions | nets | asus | CI547 | CI547xen |
| abm | Advanced Bit Manipulation | nets | asus | CI547 | CI547xen |
| acpi | ACPI supported | dom0 | asrock | CI547 | CI547xen |
| adx | The ADCX and ADOX instructions | nets | CI547 | CI547xen |
| aes | hardware-accelerated AES (secret-key cryptography) | nets | CI547 | CI547xen |
| aperfmperf | APERF and MPERF are MSR registers for current CPU frequency | nets | asrock | CI547 |
| apic | On-chip APIC hardware supported | dom0 | domu | nets | asus | asrock | CI547 | CI547xen |
| arat | Always Running APIC Timer | dom0 | domu | nets | CI547 | CI547xen |
| arch_perfmon | Intel Architectural PerfMon | dom0 | nets | asrock | CI547 | CI547xen |
| art | Always-Running Timer | CI547 |
| avx | Advanced Vector Extensions | nets | CI547 | CI547xen |
| avx2 | AVX2 instructions | nets | CI547 | CI547xen |
| bmi1 | 1st group bit manipulation extensions | nets | CI547 | CI547xen |
| bmi2 | 2nd group bit manipulation extensions | nets | CI547 | CI547xen |
| bts | Branch Trace Store | nets | asrock | CI547 |
| clflush | Cache Line Flush instruction | dom0 | domu | nets | asus | asrock | CI547 | CI547xen |
| clflushopt | CLFLUSHOPT instruction | CI547 | CI547xen |
| cmov | Conditional move instruction supported | dom0 | domu | nets | asus | asrock | CI547 | CI547xen |
| constant_tsc | TSC ticks at a constant rate | dom0 | domu | nets | asrock | CI547 | CI547xen |
| cpuid | Supplementary instruction for CPU IDentification | dom0 | nets | asrock |
| cr8_legacy | CR8 in 32-bit mode | asus |
| cx16 | CMPXCHG16B | dom0 | domu | nets | asus | asrock | CI547 | CI547xen |
| cx8 | CMPXCHG8 instruction supported | dom0 | domu | nets | asus | asrock | CI547 | CI547xen |
| de | Debugging extension | dom0 | domu | nets | asus | asrock | CI547 | CI547xen |
| ds_cpl | CPL Qual. Debug Store | asrock | CI547 |
| dtes64 | 64-bit Debug Store | asrock | CI547 |
| dtherm | Digital thermal sensor | dom0 | domu | nets | asrock | CI547 | CI547xen |
| dts | Debug Store (buffer for debugging and profiling instructions) | nets | asrock | CI547 |
| eagerfpu | Non lazy FPU restore | domu | asus | CI547 | CI547xen |
| epb | IA32_ENERGY_PERF_BIAS support | dom0 | domu | nets | CI547 | CI547xen |
| ept | Intel Extended Page Table | CI547 |
| erms | Enhanced REP MOVSB/STOSB | dom0 | domu | CI547 | CI547xen |
| est | Enhanced SpeedStep | dom0 | CI547 | CI547xen |
| extd_apicid | Has extended APICID (8 bits) | asus |
| f16c | 16-bit fp conversions (CVT16) | nets | CI547 | CI547xen |
| flexpriority | Intel FlexPriority | CI547 |
| fma | Fused multiply-add | nets | CI547 | CI547xen |
| fpu | Floating-point unit on-chip | dom0 | domu | nets | asus | asrock | CI547 | CI547xen |
| fsgsbase | {RD/WR}{FS/GS}BASE instructions | dom0 | domu | nets | CI547 | CI547xen |
| fxsr | FXSAVE/FXRSTOR, CR4.OSFXSR | dom0 | domu | nets | asus | asrock | CI547 | CI547xen |
| fxsr_opt | FXSAVE/FXRSTOR optimizations | asus |
| hle | Hardware Lock Elision | nets |
| ht | Hyper-Threading | dom0 | domu | asrock | CI547 | CI547xen |
| hwp | Intel Hardware P-states | nets | CI547 | CI547xen |
| hwp_act_window | HWP Activity Window | nets | CI547 | CI547xen |
| hwp_epp | HWP Energy Performance Preference | nets | CI547 | CI547xen |
| hwp_notify | HWP notification | nets | CI547 | CI547xen |
| hypervisor | Hypervisor | dom0 | domu | nets | asus | CI547xen |
| ida | Intel Dynamic Acceleration | nets | CI547 | CI547xen |
| intel_pt | Intel Processor Tracing | CI547 |
| invpcid | Invalidate Processor Context ID | nets | CI547 |
| invpcid_single | effectively invpcid and CR4.PCIDE=1 | CI547 |
| kaiser | unmap most of the kernel from userspace | CI547 |
| lahf_lm | Load AH from Flags (LAHF) and Store AH into Flags (SAHF) in long mode | dom0 | domu | nets | asus | asrock | CI547 | CI547xen |
| lm | Long Mode | dom0 | domu | nets | asrock | CI547 | CI547xen |
| mca | Machine check architecture | dom0 | domu | nets | asus | asrock | CI547 | CI547xen |
| mce | Machine check exception | dom0 | domu | nets | asus | asrock | CI547 | CI547xen |
| mmx | MMX technology supported | dom0 | domu | nets | asus | asrock | CI547 | CI547xen |
| mmxext | AMD MMX extensions | asus |
| monitor | Monitor/Mwait support (Intel SSE3 supplements) | dom0 | asus | asrock | CI547 | CI547xen |
| movbe | Move Data After Swapping Bytes instruction | nets | asrock | CI547 | CI547xen |
| mpx | Memory Protection Extension | CI547 |
| msr | Model specific registers | dom0 | domu | nets | asus | asrock | CI547 | CI547xen |
| mtrr | Memory type range registers | nets | asus | asrock | CI547 |
| nonstop_tsc | TSC does not stop in C states | dom0 | nets | CI547 | CI547xen |
| nopl | The NOPL (0F 1F) instructions | dom0 | domu | nets | CI547 | CI547xen |
| nx | Execute Disable | dom0 | domu | nets | asus | asrock | CI547 | CI547xen |
| pae | Physical address extension | dom0 | domu | nets | asus | asrock | CI547 | CI547xen |
| pat | Page attribute table | dom0 | domu | nets | asus | asrock | CI547 | CI547xen |
| pbe | Pending break enabled | asrock | CI547 |
| pcid | Process Context Identifiers | nets | CI547 |
| pclmulqdq | Perform a Carry-Less Multiplication of Quadword instruction | dom0 | domu | nets | CI547 | CI547xen |
| pdcm | Performance Capabilities | asrock | CI547 |
| pdpe1gb | One GB pages | nets | CI547 |
| pebs | Precise-Event Based Sampling | nets | asrock | CI547 |
| pge | Page global enable | nets | asus | asrock | CI547 |
| pln | Intel Power Limit Notification | dom0 | domu | nets | CI547 | CI547xen |
| pni | SSE-3 Prescott New Instructions | dom0 | domu | nets | asus | asrock | CI547 | CI547xen |
| popcnt | Return the Count of Number of Bits Set to 1 | dom0 | domu | nets | asus | CI547 | CI547xen |
| pse | Page size extension | nets | asus | asrock | CI547 |
| pse36 | 36-bit PSEs (huge pages) | nets | asus | CI547 |
| pts | Intel Package Thermal Status | dom0 | domu | nets | CI547 | CI547xen |
| rdrand | Instruction for returning random numbers | nets | CI547 | CI547xen |
| rdseed | Instruction for returning random numbers | nets | CI547 | CI547xen |
| rdtscp | Read Time-Stamp Counter and Processor ID | nets | asus | CI547 |
| rep_good | Rep microcode works well | dom0 | domu | asus | CI547 | CI547xen |
| rtm | Restricted Transactional Memory | nets |
| sdbg | Silicon debug | CI547 |
| sep | Fast system call | dom0 | domu | nets | asus | asrock | CI547 | CI547xen |
| smap | Supervisor Mode Access Prevention | nets | CI547 |
| smep | Supervisor Mode Execution Protection | nets | CI547 |
| ss | Self-snoop | nets | asrock | CI547 |
| sse | Streaming SIMD extensions | dom0 | domu | nets | asus | asrock | CI547 | CI547xen |
| sse2 | Streaming SIMD extensions 2 | dom0 | domu | nets | asus | asrock | CI547 | CI547xen |
| sse4_1 | SSE-4.1 | dom0 | domu | nets | CI547 | CI547xen |
| sse4_2 | SSE-4.2 | dom0 | domu | nets | CI547 | CI547xen |
| sse4a | SSE-4A | asus |
| ssse3 | Supplemental SSE-3 | dom0 | domu | nets | asrock | CI547 | CI547xen |
| syscall | Fast System Call | dom0 | domu | nets | asus | CI547 | CI547xen |
| tm | Thermal monitor supported | asrock | CI547 |
| tm2 | Thermal Monitor 2 | asrock | CI547 |
| tpr_shadow | Intel TPR Shadow | CI547 |
| tsc | TSC Time Stamp Counter (RDTSC) | dom0 | domu | nets | asus | asrock | CI547 | CI547xen |
| tsc_adjust | TSC adjustment MSR | nets | CI547 |
| tsc_deadline_timer | TSC deadline timer | nets | CI547 |
| tsc_reliable | TSC is known to be reliable | nets |
| vme | Virtual mode extension | nets | asus | asrock | CI547 |
| vmmcall | Prefer VMMCALL to VMCALL | asus |
| vmx | Hardware virtualization: Intel VMX | CI547 |
| vnmi | Intel Virtual NMI | CI547 |
| vpid | Intel Virtual Processor ID | CI547 |
| x2apic | x2APIC | nets | asus | CI547 |
| xgetbv1 | XGETBV with ECX = 1 | CI547 | CI547xen |
| xsave | Save Processor Extended States | dom0 | domu | nets | CI547 | CI547xen |
| xsavec | XSAVEC | CI547 | CI547xen |
| xsaveopt | Optimized XSAVE | dom0 | domu | nets | CI547 | CI547xen |
| xsaves | XSAVES/XRSTORS | CI547 |
| xtopology | cpu topology enum extensions | nets | CI547 |
| xtpr | Send Task Priority Messages | asrock | CI547 |