MSI Z97-GD65 GAMING Manual - Manual (Page 45)

Chapter 1
1-31 Getting Started
Switch
MULTI BIOS SWITCH: Multi-BIOS Switch
This motherboard has two built-in BIOS ROMs (Labeled A and B, default BIOS ROM
is A). If one is crashed, you can shift to the other for booting by sliding the switch. In
addition, these two BIOS ROMs do not have the Auto Recovery feature, you need to
maintain or update the BIOS version by yourself.
Blue LED
Green LED
A
B
BIOS recovery using the M-Flash:
When you update the BIOS failure and cause the system can’t be powered on, you
can follow below steps to recovery BIOS from the other operational BIOS with the
Multi-BIOS Switch and the M-Flash.
1. Ensure that the system is power-off.
2. Slide the Multi-BIOS Switch to operational BIOS ROM.
3. Boot up the system.
4. Enter the BIOS setup → M-Flash → "Save BIOS to storage" and then save the file
to root folder of a USB drive.
5. Slide the Multi-BIOS Switch back to the BIOS ROM that needs to be recovered.
6. Choose “Select one file to update BIOS” and recover the BIOS ROM with the file
saved in the USB drive.
Important
Do not use the Multi-BIOS switch when system is booting up.