This function would have a rather limited usefulness, as only some PIII's actually had this available, and the user can choose to prevent it from being queried. I doubt if there is even a Windows API call to get this, but you may want to check the Intel site to see what they've provided.
Rick
P.S. It wouldn't be in the BIOS, it's in the CPU itself.
I totally agree with Rick's comments. Although this feature does appear to show promise for machine-level security, implementing this into application-level security is definitely not feasible.
First of all, serial number readibility is disabled by default.
Secondly, if you do query/store this from within an application, what happens when the user upgrades his/her cpu???
I would highly recommend reading the following article by Douglas Boling from the March 1999 issue of Microsoft Internet Developer.
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