Lenovo ThinkPad X270 BIOS Update Utility 1.09 Mar 8, 2017
... - (New)Updated RTK USB LAN OPROM. - (New)Avoid PCI Resource shortage by making Total Graphics Memory 512MB and TBT3 exclusive. - (New)Display PCI LAN device /w component name in Boot Menu. - (New)Clear communication buffer in memory after it is used. - (New)Replace the rest of OPTION_LENOVO_SUPPORT_IVB_ULV ...