User guide

1-37
MS-7757
Chapter 1
Swtch
MULTI_BIOS_SWITCH1: Mult BIOS Swtch
Ths manboard has two ndependent BIOS ROMs (Labeled A and B, default BIOS
ROM s A). If one s crashed, you can shft to the other for bootng by sldng the swtch.
These two BIOS ROMs do not have the Auto Recovery feature, you need to mantan or
update the BIOS verson by yourself.
A B
(default)
BIOS recovery usng the M-ash utlty:
1. Ensure that the system s powered o.
2. Boot up the system wth the operatonal BIOS ROM by sldng the Mult-BIOS
swtch.
3. Enter the [BIOS setup] → [Utltes] → [M-Flash] → [Save BIOS to storage] and then
save the le to a bootable USB pen drve (root folder).
4. Swtch back to the BIOS ROM that needs to be recovered.
5. Choose “Select one le to update BIOS” and recover the BIOS ROM wth the le
saved n the USB pen drve.
Important
Do not use the Mult BIOS swtch when system s bootng up.