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BIOS Setup

Updating BIOS with BIOS FLASHBACK+

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 BIOS

FLASHBACK+.

󰁡 By BIOS FLASHBACK+ button

1. Connect power supply to JPWR1 and JPWR2. (No other components are

necessary but power supply.)

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

FLASHBACK+ port on rear I/O panel.

3. Press the BIOS FLASHBACK+ button to flash BIOS, and the BIOS FLASHBACK+

LED starts flashing.

4. After the flashing BIOS process is 100% completed, the BIOS FLASHBACK+

LED stops flashing and be off.

󰁡 By MSI HOTKEY function

1. Plug the USB flash drive that contains the MSI.ROM file into the vertical USB port

on rear I/O panel.

2. Make sure the HOT_KEY1 switch on the motherboard is on.

3. Plug the USB keyboard into HOTKEY port on rear I/O panel.

4. Press Ctrl+Backspace keys to enable HOTKEY function, and HOTKEY LED

indicator will be on.

5. Press PrtScr+F4 keys to flash BIOS, and the BIOS Flash LED indicator starts

flashing.

6. After the flashing BIOS process is 100% completed, the BIOS Flash LED indicator

stops flashing and be off.

Questions and Answers:

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MSI z170a GAMING M9 ACK Specifications

General