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BIOS Setup

Updating BIOS with Flash BIOS Button

Before updating:

Please download the latest BIOS file that matches your motherboard model from MSI

website and rename the BIOS file to MSI.ROM. And then, save the MSI.ROM file to the

root of USB flash drive.

Important

Only the FAT32 format USB flash drive supports updating BIOS by Flash BIOS Button.

1. Connect power supply to CPU_PWR1 and ATX_PWR1. (No other components are

necessary but power supply.)

2. Plug the USB flash drive that contains the MSI.ROM file into the Flash BIOS Port

on rear I/O panel.

3. Press the Flash BIOS Button to flash BIOS, and the LED next to Flash BIOS Button

starts flashing.

4. After the flashing BIOS process is 100% completed, the LED would be off

simultaneously.

Questions and Answers:

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Do you have a question about the MSI B450M MORTAR MAX and is the answer not in the manual?

MSI B450M MORTAR MAX Specifications

General