Answer

BIOS_SW1 is a multi-BIOS switch having two built-in BIOS ROMs.

If BIOS A (Default) is corrupted, you can switch from BIOS A to BIOS B to boot up the system and  recover the corrupted BIOS A.

Models

  • Z370 GODLIKE GAMING
  • MEG Z390 GODLIKE
  • MEG X299 CREATION