Lenovo ThinkPad X280 BIOS 1.14 for Windows 10 64-bit Mar 23, 2018
... Ports: 2 x USB 3.0, USB Type-C, Intel Thunderbolt 3, HDMI, native RJ45 with dongle, audio combo ... by system interrupts when Thundrebolt is disabled in ThinkPad Setup - Security - I/O Port Access About OS Independent BIOS: Although installing a newer BIOS version might add new features, update various components, ...