So I did a quick search and found this, sounds like a solid option, and old school which is always better.
https://www.dell.com/community/PowerEdge-Hardware-General/R210-II-can-t-update-Bios/td-p/5153818
So I did a quick search and found this, sounds like a solid option, and old school which is always better.
https://www.dell.com/community/PowerEdge-Hardware-General/R210-II-can-t-update-Bios/td-p/5153818