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BOxen
Novice
425 Views

What is the difference between System Information and Board information?

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Looking at the BIOS for my NUC, ​8i7HVB, in particular the serial number for the purposes of our asset management and such, I see the value is different in the System Information section as opposed to what is listed in the Board Information section.

For example, in Board Information, the serial number is displayed as BTHNxxxxxxxx (this matches what is on the device label) where in System Information it is displayed as HDxxxxxxxxxx.

Why the two different values and what is the significance of each?

Thank you!

 

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1 Solution
n_scott_pearson
Super User Retired Employee
118 Views

Oops, missed one important point: In many cases, manageability software - including the basic System Information applet supplied by Microsoft - will make up for missing information by substituting in information that is available. For example, it is common for the System Product Id, if not made available, to be derived from the Board Product Id. Think of it this way: most folks who purchase a motherboard and build their own system using it do not typically go back and fill in the missing information. Whether this is out of ignorance, lack of easy access to the tools necessary, etc. really doesn't matter; what is important is for the manageability software to describe the system as best it can.

 

...S

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4 Replies
n_scott_pearson
Super User Retired Employee
118 Views

This is part of the BIOS' support for SMBIOS (for more information, start here: https://en.wikipedia.org/wiki/System_Management_BIOS). Much of the SMBIOS information exposed is determined by the design and capabilities of the motherboard (or memory and storage components plugged into it) and thus is statically available. Information about the board itself is also fixed at the point of shipping.

 

SMBIOS also includes structures and fields for exposing information about the chassis and about the overall system. Whether this information will be available at the point of shipping is dependent upon the nature of the product:

 

  • If it is a board-level product, no information regarding the chassis and only limited* information regarding the overall system will be supplied.
  • If it is a kit-level product, full information about the chassis but only limited* information about the system will be supplied.
  • If it is a system-level product, full information about the chassis and system will be supplied.

 

* There are some fields, such as the UUID, which are considered system-level attributes but are really tied to and made available at the board level.

 

Intel provides a package, called the Intel Integrator Toolkit, which allows missing information to be added. In board-level products, information about the chassis and system can be added. In kit-level products, information about the system can be added.

 

To address your specific example, SMBIOS defines separate - and unique - Serial Numbers at the board-, chassis- and system-level. These are supplied by Intel subject to the dependencies described above.

 

Hope this helps,

...S

n_scott_pearson
Super User Retired Employee
119 Views

Oops, missed one important point: In many cases, manageability software - including the basic System Information applet supplied by Microsoft - will make up for missing information by substituting in information that is available. For example, it is common for the System Product Id, if not made available, to be derived from the Board Product Id. Think of it this way: most folks who purchase a motherboard and build their own system using it do not typically go back and fill in the missing information. Whether this is out of ignorance, lack of easy access to the tools necessary, etc. really doesn't matter; what is important is for the manageability software to describe the system as best it can.

 

...S

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LeonWaksman
Super User
118 Views

Hi @BOxen​ 

I understand that the number displayed in SMBIOS System Information displayed as HDxxxxxxxxxx, is the S/N of the assembled NUC. However on the labels as you have mentioned ( both labeles: on the box and the bottom cover), the board S/N is shown in format BTHNxxxxxxxx . Since the board S/N is used to identify this computer in warranty claims, I would use this number for your asset management. See additional information here: https://www.intel.com/content/www/us/en/support/articles/000005804/mini-pcs.html . You can see that the stocking ID is also required.

 

Leon

BOxen
Novice
118 Views

Thank you Scott and Leon, really appreciate the detailed response.​

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