Step1. Prepare a flash drive, put the tool of socflash (such as the compressed file of attachment) and the ima file to be updated
Socflash Tool download link
https://download.asrock.com/TSD/socflash_v12207.zip
Step2. Before using Socflash tool to update, please enter the BIOS, press "F9" to load default, then press "F10" to save and exit the BIOS
Step3. Enter DOS and execute " Socflash if=filename option=r "
Step4. You will see the last line "Press y to continue if you are agree …." please press y to continue.
Step5. When "update flash chip ok" message appear, it means the update is completed, Please use "Ctrl+Alt+Delete" to restart the system.
Step6. Go to the BIOS home page to check if the BMC version has been updated
Step7. Finish