Cpuid

This function executes "CPUID" (Opcode : 0F A2) instruction.

"CPUID" : Returns processor identification and feature information in the EAX, EBX, ECX, and EDX registers.

Syntax

BOOL Cpuid(
    DWORD indexEax,
    DWORD indexEcx,
    PDWORD eax,
    PDWORD ebx,
    PDWORD ecx,
    PDWORD edx
);

If the function succeeds, the return value is TRUE.

If the function fails, the return value is FALSE.

You can check whether "CPUID" instruction is supported on your system with IsCpuid.