ASRock Z170 Extreme4 User Manual - Page 29

LED or BIOS_B_LED - manual

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Z170 Extreme4+ / Z170 Extreme4 BIOS Selection Jumper (BIOS_SEL1) (see p.7, No. 12) Default Backup BIOS (Main BIOS) his motherboard has two BIOS onboard, a main BIOS (BIOS_A) and a backup BIOS (BIOS_B), which enhances protection for the safety and stability of your system. Normally, the system works on the main BIOS. However, if the main BIOS is corrupted or damaged, please use a jumper cap to short pin2 and pin3, then the backup BIOS will take over on the next system boot. Ater that, use "Secure Backup UEFI" in BIOS setup utility to copy the BIOS ile to the main BIOS to ensure normal system operation. For the sake of system safety, users cannot update the backup BIOS manually. Users may refer to the BIOS LED (BIOS_A_ LED or BIOS_B_LED) to identify which BIOS is activated currently. English 23

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23
English
Z170 Extreme4+ / Z170 Extreme4
BIOS Selection Jumper
(BIOS_SEL1)
(see p.7,
No. 12)
His motherboard has two BIOS onboard, a main BIOS (BIOS_A) and a backup
BIOS (BIOS_B), which enhances protection for the safety and stability of your
system. Normally, the system works on the main BIOS. ³owever, if the main BIOS
is corrupted or damaged, please use a jumper cap to short pin2 and pin3, then
the backup BIOS will take over on the next system boot. A´er that, use “Secure
Backup UEFI“ in BIOS setup utility to copy the BIOS ±le to the main BIOS to
ensure normal system operation. For the sake of system safety, users cannot
update the backup BIOS manually. Users may refer to the BIOS LED (BIOS_A_
LED or BIOS_B_LED) to
identify which BIOS is activated currently.
Backup BIOS
Default
(Main BIOS)