How to get CPU Serial Number

Intel Software Network Support
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July 13, 2005 2:41 AM PDT
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Greetings from Intel(R) Software Network Support. 
 
Yes, Application Note 485, Intel(R) Processor Identification and the CPUID Instruction, is also available directly from the Intel web site:  http://www.intel.com/support/processors/sb/cs-009861.htm.  
 
We also recommend the CPUID section of the IA-32 Intel(R) Architecture Software Developer’s Manuals, vol. 2, Instruction Set Reference:  http://developer.intel.com/design/Pentium4/documentation.htm
 
To learn how to use the CPUID instruction to read the Processor Serial Number when there is a serial number present, see AP-909, Intel(R) Processor Serial Number:  http://www.intel.com/design/pentiumiii/applnots/245125.htm 
 
Looking here*, it appears that versions of MASM* dating back to 1995 have been capable of dealing with the CPUID instruction.  However, keep in mind that only the Pentium® III Xeonâ„¢, Mobile Pentium® III and Pentium III processors support the processor serial number feature introduced by the Pentium® III processor. No other Intel® processor supports the processor serial number feature:
 
It looks like the Microsoft Macro Assembler (MASM) version 6.14 patch was the one being made available for compatibility with the Intel(R) Pentium(R) III processor at the time.
 
For additional Processor Serial Number (PSN) information from support.intel.com, please see:
 
You might also be interested in this Gamasutra* article written about coding for the Pentium(R) III processor when it first came out.
 
Regards,
 
Lexi S.
Intel(R) Software Network Support

Message Edited by intel.software.network.support on 11-15-2005 08:57 PM

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