Re: Get CPU Serial/Number

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#12469

From: Vladimir Afanasyev
Date: Mon, 08 Dec 2003 08:21

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Hi  Daniele,

"Daniele Pellone" <pellone@tiscali.it> wrote:
>Is there a API function that allow to read the CPU serial/number?

You can try to use WMI.
Information about proccessor can be find in Win32_Processor class, property ProcessorId :

ProcessorId 
Data type: string
Access type: Read-only 
Processor-specific information that describes the processor's features. For x86 class CPUs, the field's format depends on the processor's support of the CPUID instruction. If the instruction is supported, the property contains two DWORD-formatted values. The first (offsets 08h-0Bh) is the EAX value returned by a CPUID instruction with input EAX set to 1. The second (offsets 0Ch-0Fh) is the EDX value returned by that instruction. Only the first two bytes of the property are significant (all others are set to 0) and contain (in DWORD-format) the contents of the DX register at CPU reset. 

Vladimir.

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