using System.Management;
//Connection credentials to the remote computer - not needed if the logged
in account has access
ConnectionOptions oConn = new ConnectionOptions();
oConn.Username = "Administrator";
oConn.Password = "";
System.Management.ManagementScope oMs = new
System.Management.ManagementScope(\\MachineID, oConn);
System.Management.ObjectQuery oQuery = new
System.Management.ObjectQuery("select SerialNumber from Win32_BaseBoard");
ManagementObjectSearcher oSearcher = new
ManagementObjectSearcher(oMs,oQuery);
ManagementObjectCollection oReturnCollection = oSearcher.Get();
foreach( ManagementObject oReturn in oReturnCollection )
{
Console.WriteLine("Serial Number : " +
oReturn["SerialNumber"].ToString());
}