Question BIOS event log present "EFI 02010009 Major" error, what it mean? Answer BIOS event ID 0x02010009 is relate with PCIe device memory resource, which means you can try to tune the Above 4G decoding in BIOS menu, see if it can get the help. Otherwise you can try to removing the PCIe device one by one to see which card effect the error. Was this FAQ helpful? YES      NO Enter Comments Below: Note: Your comments/feedback should be limited to this FAQ only. For technical support, please send an email to support@supermicro.com.  Enter your email address below if you'd like technical support staff to reply:  Please type the Captcha (no space) G M K 7 FAQ Stats FAQ ID Related Category / Keyword Date Posted Code 31747 BIOS: - AMI BIOS 02/16/20     Print Answer