Public Sub GetMotherBoardProp()
Dim strComputer As String
Dim objSvcs As Object
Dim objItms As Object, objItm As Object
Dim vItem
strComputer = "."
Set objSvcs = GetObject("winmgmts:\\" & strComputer & "\root\cimv2")
Set objItms = objSvcs.execquery("Select * from Win32_BaseBoard")
For Each objItm In objItms
MsgBox objItm.SerialNumber
Next
Set objSvcs = Nothing
End Sub