Driver-free, plug and use. PXE Boot, Wake-On-Lan, MAC Address Pass Through on selected ThinkPad NBs Enabling Ethernet connection and supporting PXE and Remote control features With a small form factor and a cable length of 80 mm, it is convenient and portable Converts the special micro Ethernet connector on supported ThinkPad computers to the standard RJ45 connector. Supports PXE boot, Mac Pass Through, and Wake-On-LAN (depends on system capability).