Instruction Manual
Chapter 1
1-34
Getting Started
Switch
BIOS1: 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.
B A
Green LED
Blue LED
BAT1
BIOS recovery with AFUDOS command
When BIOS updating fails or causes the computer non-bootable, you can recover the
failed BIOS by the steps below.
Preparation:
1. Prepare a bootable USB ash drive.
2. Download the latest BIOS le from the MSI ocial website at www.msi.com, and
then decompress the le.
3. Copy the AFUDE238.exe and the BIOS le to the bootable USB ash drive
BIOS recovery steps:
1. Power o the computer.
2. Set the Multi-BIOS switch to the functional BIOS ROM.
3. Insert the bootable USB ash drive you have made to the USB port.
4. Boot the computer into the bootable USB ash drive.
5. Set the Multi-BIOS switch to the failed BIOS ROM.
6. Execute the below command to ash the BIOS:
For example: AFUDE238 EXXXXIMS.XXX
7. Restart the computer after the BIOS ashing is complete.
Important
Do not use the Multi-BIOS switch when system is booting up.