Supermicro C9Z390-PGW Motherboard User's Manual
6. Select "Start Flash" to flash the BIOS. A pop-up message will ap-
pear to show the progress of the BIOS flash.
7. If the flash is successful, a pop-up message will indicate the result.
Select "OK" to complete the BIOS flash and to reboot the system.
Check the System Information section of the BIOS Setup to check
for the correct BIOS version.
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