Hot Key:

• F11 - Boot menu
• Esc/Del - Bios

Bash

bmc_mac="00:00:00:00:00:00"
echo -n '$bmc_mac' | xxd -r -p | openssl dgst -sha1 -mac HMAC -macopt hexkey:8544E3B47ECA58F9583043F8 | awk '{print $2}' | cut -c 1-24

Go

https://github.com/zsrv/supermicro-product-key