Functions of the A9 Max BIOS V 0.20 Menu

Updated on Oct 22, 2025

This BIOS version updates the UEFI PI, improving compatibility with RAM support and PCIe initialization. After updating to this BIOS version, subsequent system updates will push the A9 Max dedicated graphics driver provided by AMD, resolving the issue of failure to wake from sleep mode.

BIOS V0.20 EC V0.18

Download link:

A9 Max BIOS V0.20(One click installation,only for windows)
A9 Max BIOS V0.20(USBフラッシュ、全システム用）

A9 Max EC V0.18(USBフラッシュ、全システム用）

A9 Max BIOS V0.20 & EC 0.18(USBフラッシュ、全システム用）

Guide to Updating BIOS and Embedded Controller (EC)

BIOSまたはECのアップデート方法は？

Video Presentation

1.Default BIOS Features Display

Press the Del key repeatedly during startup or restart to enter.

2.Full BIOS Features Display

To enter, hold down the Ctrl key and repeatedly press the H key during startup or restart

Thank you for watching. If there are any mistakes, your corrections are welcome.