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- Oct 29, 2016
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since supermicro boards and in particular the x9's are pretty popular here, and I couldn't find another post:
forums.servethehome.com
2.3a is the fixed bios version posted on supermicro support pages. I have 2.3 and it definitely does it, halts at a blue bios-like, but blank, screen.
linux has hwclock to force the system clock back for the workaround (travel back to 2020, ugh), but I can't find anything similar for the bsd world.
you can achieve the same thing by retting the CMOS...but it would be less intrusive if there was a way to do it from the OS.
SuperMicro X9 E3 boards - December 31, 2020 BIOS bug
It seems like SuperMicro X9 boards with E3v1/v2 CPUs (X9SCL-F, X9SCL+-F, X9SCI-LN4F, X9SCA-F, X9SCM-F, X9SCM-IIF, etc) will not allow you to enter BIOS if the system date is past December 31, 2020. When attempting to enter BIOS, it comes up with a blue screen, and in the bottom right the error...

linux has hwclock to force the system clock back for the workaround (travel back to 2020, ugh), but I can't find anything similar for the bsd world.
you can achieve the same thing by retting the CMOS...but it would be less intrusive if there was a way to do it from the OS.