Program Manager Milad Aslaner from Microsoft has showcased the Custom UEFI Interface Microsoft built into the Surface Pro 4 and the new Surface Book. The built in UEFI allows managing hardware directly without rebooting your device.
Unified Extensible Firmware Interface or UEFI is a standard programing interface for booting a computer. It evolved from EFI interface developed by Intel, and has already replaced the previously common BIOS startup system.
In the Channel9 episode Nerding out with Surface Book, Principal Program Manager Simon May had in in-depth conversation about the advanced technology Microsoft developed for its latest premium Windows 10 devices.