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FUNCTION GetCPUID : TCPUID; assembler; register;
asm
  PUSH    EBX        {Save affected register}
  PUSH    EDI
  MOV    EDI,EAX    {@Resukt}
  MOV    EAX,1
  DW      $A20F      {CPUID Command}
  STOSD      {CPUID[1]}
  MOV    EAX,EBX
  STOSD              {CPUID[2]}
  MOV    EAX,ECX
  STOSD              {CPUID[3]}
  MOV    EAX,EDX
  STOSD              {CPUID[4]}
  POP    EDI      {Restore registers}
  POP    EBX
END;

function TForm1.GetCPUIDStr: String;
var
  CPUID:TCPUID;
begin
  CPUID:=GetCPUID;
  Result:=IntToHex(CPUID[1],8)+IntToHex(CPUID[2],8)+IntToHex(CPUID[3],8)+IntToHex(CPUID[4],8);
end;

end.

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  type  
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