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- X550IUAS 307 (Luirons Bios)BIOS · 2.71 MB · 23 Feb 2021BIOS rar—2.71 MB
- X550IUAS 307
BIOS firmware archive for the ASUS-style X550IUAS model designation, with 307 given in the name, most likely the BIOS version number.
BIOS · 2.84 MB · 14 Oct 2018BIOS zip—2.84 MB