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SiliSoftware » Tools » CPUID decoder

Enter the CPUID value (hexadecimal):

Enabled Bit Short Description
no
0fpuOnboard x87 FPU
no
1vmeVirtual 8086 mode extensions (such as VIF, VIP, PIV)
no
2deDebugging extensions (CR4 bit 3)
no
3psePage Size Extension
no
4tscTime Stamp Counter
no
5msrModel-specific registers
no
6paePhysical Address Extension
no
7mceMachine Check Exception
no
8cx8CMPXCHG8 (compare-and-swap) instruction
no
9apicOnboard Advanced Programmable Interrupt Controller
10reserved
no
11sepSYSENTER and SYSEXIT instructions
no
12mtrrMemory Type Range Registers
no
13pgePage Global Enable bit in CR4
no
14mcaMachine check architecture
no
15cmovConditional move and FCMOV instructions
no
16patPage Attribute Table
no
17pse-3636-bit page size extension
no
18psnProcessor Serial Number
no
19clfshCLFLUSH instruction (SSE2)
20reserved
no
21dsDebug store: save trace of executed jumps
no
22acpiOnboard thermal control MSRs for ACPI
no
23mmxMMX instructions
no
24fxsrFXSAVE, FXRESTOR instructions, CR4 bit 9
no
25sseSSE instructions (a.k.a. Katmai New Instructions)
no
26sse2SSE2 instructions
no
27ssCPU cache implements self-snoop
no
28httHyper-threading
no
29tmThermal monitor automatically limits temperature
no
30ia64IA64 processor emulating x86
no
31pbePending Break Enable (PBE# pin) wakeup capability