Translations:Some basics of MBR v/s GPT and BIOS v/s UEFI/22/en

However, UEFI is still not widespread. Though major hardware companies have switched over almost exclusively to UEFI use, you still won't find the new firmware in use on all motherboards—or in quite the same way across the spectrum. Many older and less expensive motherboards also still use the BIOS system. [1]