How to get the motherboard information under Linux system

  

The information extracted with dmidecode may not be the unique identifier of the motherboard, let me try

/usr/sbin/dmidecode |  Grep "Serial Number"

Displayed below DELL:

Serial Number: BQ24J1X Serial Number: ..CN7170347P0107. Serial Number: BQ24J1X Serial Number: Not Specified

Tsinghua's machine shows:

Serial Number: 123456789000 Serial Number: 123456789000 Serial Number: EVAL

Perhaps this Serial Number is not the identity of the motherboard.

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