Chapter 3: Uefi Bios & Software; Uefi Bios Setup; Bios Update; Motherboard Bios Update - Biostar B650MS2 Manual

3.1 UEFI BIOS Setup

• The BIOS Setup program can be used to view and change the BIOS settings for the
computer. The BIOS Setup program is accessed by pressing the <DEL> key after the
Power-On Self-Test (POST) memory test begins and before the operating system boot
begins.
• For further information of setting up the UEFI BIOS, please refer to the UEFI BIOS Manual
on our website.

3.2 BIOS Update

The BIOS can be updated using either of the following utilities:
• BIOSTAR BIO-Flasher: Using this utility, the BIOS can be updated from a file on a hard
disk, a USB drive (a flash drive or a USB hard drive), or a CD-ROM.
• BIOSTAR BIOS Update Utility: It enables automated updating while in the Windows
environment. Using this utility, the BIOS can be updated from a file on a hard disk, a USB
drive (a flash drive or a USB hard drive), or a CD-ROM, or from the file location on the
Web.

3.3 Motherboard BIOS Update

1. First prepare a USB drive in FAT32 format, and copy the (1) BIOS file and (2) "BIOSUBU.BIN"
tool into the USB drive.
2. Change the (1) BIOS file name to "PSPBIOS.IMG" for update BIOS.
3. The motherboard for updating the BIOS needs to be connected with power supply, and the
CPU needs to be installed, and the power supply switch is set to OFF.
4. Insert the USB drive with the prepared file (1) "PSPBIOS.IMG" into the designated USB port
(BIOS USB Port).
5. Set the power supply switch to ON, press and hold the "BIOS UPDATE" button, then press
the system power button. After 3-5 seconds, to release the "BIOS UPDATE" button and wait
for the update.
6. After a period of time, the motherboard system will shut down directly, and restart after
4-5 seconds.
7. After the normal boot process, you can check whether the BIOS version has been updated
in SETUP.
8. We commend that you press the <F3> to load default BIOS settings to ensure system
compatibility and stability and press the <F10> to save and exit.
Chapter 3: UEFI BIOS & Software
Chapter 3: UEFI BIOS & Software | 23
B650MS2