Since AMD releases their new Ryzen 9 3900XT, Ryzen 7 3800XT and Ryzen 5 3600XT Processors today, MSI also made great efforts to offer optimized BIOS updates for 300-, 400-, and 500-series motherboards. The latest AMD Combo PI V1 version BIOS for 300- and 400-series motherboards will be ready for users to download and update in the end of June. Regarding 500-series motherboards, Combo PI V2 version BIOS will be released in the beginning of July. The updated BIOS updates are mainly optimized for the new Ryzen CPUs. Besides, there are several key points for the BIOS improvements.
Flash BIOS Button
  • Support discrete graphics card identification, allowing users to successfully enter OS with AM4 CPU (w/o integrated graphics) and without graphics card installed.
  • Solve compatibility issues for graphics card and USB sound card.
  • Solve vulnerability issues for SMM Callout Privilege Escalation
  • Optimize A-XMP memory functions
  • Optimize BIOS function - Memory Try It!
  • Optimize FCH BCLK-related functions

Update Your BIOS to Get More Clear Information with the New 3rd Gen Ryzen XT Processors

Below images show the performance of Combo PI V2 and Combo PI V2 We highly recommend users to update your BIOS to the latest Combo PI version.
Ryzen XT Processors
With AGESA BIOS Version

Ryzen XT Processors
With AGESA BIOS Version


Both Combo PI V1 and Combo PI V2 include the new AMD AGESA microcode. The new Combo PI BIOS not only better optimizes the new 3rd Gen. Ryzen™ XT processors but also solves the SMM Callout vulnerability issues of Ryzen™ APUs manufactured between 2016 and 2019.

500-Series Motherboard (Combo PI V2

X570 Platform

B550 Platform


400- and 300-Series Motherboard (Combo PI V1

X470 Platform


B450 Platform

Market name (MAX)

X370 Platform


B350 Platform


A320 Platform

*We will keep updating these BIOS tables when the BIOS files are released.
To quickly update your motherboard with the latest BIOS version, Flash BIOS Button is your best assistance.
Flash BIOS Button
If you are a BIOS newbie, you can check the step-by-step tutorial video shown below:
Wish you all enjoy new the BIOS with us.