How to get the serial number of CPU or BIOS ?

Posted on 2000-03-01
Last Modified: 2010-04-04
I remember, somebody tell me how to get the serial number of NIC, but now, I want to get the serial number of CPU, or BIOS.
How ?
Question by:Rakin
  • 3
LVL 15

Expert Comment

ID: 2572448
Which one? CPU or BIOS?

The s/n for CPUs are only available on AMD Athlon, Intel P-III and above, and the code can be found at
The greatest advantage of the CPU s/n is that it is unique for each CPU. It´s not, however, available on most CPUs in the market today (most AMDs, P-I, P-II, etc.. only on P-3 and Athlon).

As of the BIOS s/n, it is not necessarily unique. Two motherboards of the same model that were manufactured by the same company, that have the same BIOS and chipset, WILL have the same serial number. Thus it is not an infalible safety measure. You can download a component that retrieves the BIOS s/n (TASCPUInfo) from my site:



LVL 15

Accepted Solution

simonet earned 200 total points
ID: 2572468

Here's a more accurate URL for the CPU s/n on Intel's site:



Author Comment

ID: 2576849
If that CPU is not AMD Athlon, Intel P-III and above, are they not serial number?
it seem have serial number too.
LVL 15

Expert Comment

ID: 2583060
No. If the CPU is not one of the above (Athlon, P-3 and above), they do not have serial numbers.


Expert Comment

ID: 2609808
they do have serial numbers, you just cant obtain them from software.

Featured Post

Is Your Active Directory as Secure as You Think?

More than 75% of all records are compromised because of the loss or theft of a privileged credential. Experts have been exploring Active Directory infrastructure to identify key threats and establish best practices for keeping data safe. Attend this month’s webinar to learn more.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
automatically logging in via bde delphi 3 70
Wininet read php file from internet issue 6 81
code issue 8 100
how to center only a line in richedit? 4 52
The uses clause is one of those things that just tends to grow and grow. Most of the time this is in the main form, as it's from this form that all others are called. If you have a big application (including many forms), the uses clause in the in…
Creating an auto free TStringList The TStringList is a basic and frequently used object in Delphi. On many occasions, you may want to create a temporary list, process some items in the list and be done with the list. In such cases, you have to…
This Micro Tutorial demonstrates using Microsoft Excel pivot tables, how to reverse engineer competitors' marketing strategies through backlinks.
Migrating to Microsoft Office 365 is becoming increasingly popular for organizations both large and small. If you have made the leap to Microsoft’s cloud platform, you know that you will need to create a corporate email signature for your Office 365…

920 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

16 Experts available now in Live!

Get 1:1 Help Now