PMPWB711 - Vig711W Motherbord Two BIOS files are available, use only one. TH81GE-SA-H0311907-Win7 BIOS TH81GE-SA H0311907(21/09/2015) BIOS Date:21/09/2015 BIOS File: H0311907.BIN BIOS configured with non UEFI Mode. Use this BIOS file if the system is downgraded to Windows 7 from WIndows 8/8.1. TH81GE-SA-H03119U7-Win8.1 BIOS TH81GE-SA H03119U7 (21/09/2015) BIOS Date:21/09/2015 BIOS File: H03119U7.BIN BIOS configured with Default Windows 8/8.1/10 BIOS Settings for UEFI Mode. Use this BIOS file if the system is configured with WIndows 8/8.1 and Windows 10