…Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here Post navigationTHINKPAD X13 YOGA 1st GEN LBB-2 MB 19733-1 448.0JH04.0011 BIOS TESTED OK COMPUTRACE ROMOVED LENOVO THINKPAD X1 CARBON 14282-2M LVRV1 MB 448.04P16.002M BIOS TESTED OK ME CLEAN