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Identify your motherboard with its BIOS ID

You can identify your motherboard using the BIOS ID which is displayed on most computers at bootup. The BIOS ID syntax differs between the different BIOS vendors: AMI, Award, Phoenix, ...

On this page we'll give you an summary overview of the different syntaxes used. Per BIOS vendor we have more detailed pages listing all BIOS IDs we have found for motherboards.

AMI (American Megatrends) BIOS syntax

In the screenshot below you can see where to find the BIOS ID during bootup:

AMI BIOS screenshot

AMI BIOS screenshot

Two different syntaxes are used:

  • AMI BIOS from 1986 - 1990: Example BIOS ID: DINT-1123-04990-K8
  • AMI BIOS from 1991: Example BIOS ID: 51-0722-001169-00111111-071595-SIS5571-007_66_SIS5571

The bold sections in the BIOS ID identify the manufacturer of the motherboard, click here to Identify your AMI BIOS based motherboard based on the ID!

Award BIOS syntax

Award Modular BIOS v4.51PG screenshot

Award Modular BIOS v6.0 screenshot

The syntax is as follows:

  • 09/23/2003-i865PE-W83627-6A79AA1IC-11

To understand the structure of this Award BIOS ID, please visit our Award BIOS IDs page

Acer BIOS syntax

The syntax of Acer BIOS strings is as follows:

  • ACR6BE00-M00-941005-R02-F0
  • FUJ9CE00-M01-950724-R03-A1-F3

To understand the structure of this Acer BIOS ID, please visit our Acer BIOS IDs page

Intel AMI BIOS syntax

Intel motherboards have used AMI BIOS in the past. (besides Phoenix BIOSes).

The general layout of the BIOS identification string is 1.00.xx.XYaz, such as 1.00.xx.AZ0.

We have compiled the largest list of Intel AMI BIOS ids here.

Intel Phoenix BIOS syntax

Here is an example Intel Phoenix BIOS ID : SGP4510H.86A.0121.2009.0828.0117

To understand the structure of this Phoenix BIOS ID, please visit our Intel Phoenix BIOS IDs page

Need help? Ask your question here!

(Examples: how to update your BIOS, how to identify your motherboard)