[Gaming NB] Zephyrus 2022 GA402R series USB4 feature

This article describes USB4 features for the Zephyrus 2022 GA402R series.

 

Question 1. Does the Zephyrus 2022 GA402R series support USB4?

Answer 1. Zephyrus 2022 GA402R do not yet formally support USB4 features due to this feature still under developing. If you would like to test, download a beta BIOS and PD firmware for supporting USB4 to Install it. Before you install and test USB4, please must read the relevant Notice and Warning information.

Notice/Warning:

  • The USB4 features on Zephyrus 2022 GA402R are not complete yet, and you may encounter Issues after enabling it. Follow the Rollback Guide to go back to the official BIOS and corresponding PD firmware, if issues you have encountered are affecting your daily user experience.
  • Known Issues:
    • Occasional audio anomalies may occur.
    • Might encounter abnormal reboot when enter System power state S4.
  • The beta BIOS will NOT be maintained in conjunction with the official BIOS version. To keep the best user experience, we still prefer you return to the official BIOS version.
  • Please must follow the instructions to install or return to the official BIOS and PD firmware, to prevent any unexpected issues.

 

Installation Guide:

  1. Please make sure your PC has updated to the latest version of Windows first. Here you can learn more about How to execute Windows Update.
  2. Download and extract the beta BIOS and PD firmware update tool. Please download the corresponding update tool based on your laptop’s model name, here you can learn more about How to check the model name.
Model nameDownload link
GA402RJClick here
GA402RKClick here
  1. Install the beta BIOS with EZ flash to enable USB4 support. Here you can learn more about How to use EZ flash to update BIOS. 
    Note: The beta BIOS is named with "Model Name".505.U4.
  2. To update the PD firmware to enable USB4 support, run the "ROGPDFWUpdateTool_59_ENABLE_USB4.exe" application under the Installation Package folder.
  3. Update the AMD Chipset and Graphics drivers in the Installation Package folder.

 

Rollback Guide:

  1. Please download the corresponding update tool based on your laptop’s model name, then install the official BIOS under the Rollback Package folder with EZ flash. The USB4 feature will be disabled. Here you can learn more about How to use EZ flash to update BIOS. 
    Note: After installing the official BIOS, we recommend you update to the latest version of BIOS to help the system stability and optimization.
  2. To roll back the PD firmware to disable USB4 support, run the "ROGPDFWUpdateTool_C6_DISABLE_USB4.exe" application under the Rollback Package folder.

 

Question 2. Should I install the beta BIOS and PD firmware for the USB4 feature on the Zephyrus 2022 GA402R series?

Answer 2. Because this feature is still under developing and not complete yet, you may encounter Issues after installing it. Follow the Rollback Guide to go back to the official BIOS and corresponding PD firmware, if issues you have encountered are affecting your daily user experience.

Known Issues:

  • Occasional audio anomalies may occur.
  • Might encounter abnormal reboot when enter System power state S4.

 

Rollback Guide:

  1. Please download the corresponding update tool based on your laptop’s model name, then install the official BIOS under the Rollback Package folder with EZ flash. The USB4 feature will be disabled. Here you can learn more about How to use EZ flash to update BIOS. 
    Note: After installing the official BIOS, we recommend you update to the latest version of BIOS to help the system stability and optimization.
  2. To roll back the PD firmware to disable USB4 support, run the "ROGPDFWUpdateTool_C6_DISABLE_USB4.exe" application under the Rollback Package folder.

 

Question 3. When will the Zephyrus 2022 GA402R series processors formally support USB4?

Answer 3. Since this feature is still under developing, we will not formally support it before ensuring the best user experience is present.