Intel microcode updates mitigate vulnerabilities like Spectre and Meltdown (though at a slight performance cost). For a system connected to the internet, this is prudent.
Flashing through a bootable DOS drive is the safest route for these older boards. foxconn h61mxl-k bios update
Once upon a time, you could simply visit the Foxconn support site, but those servers went dark in early 2019. Today, users often find themselves scouring forums like Tom's Hardware foxconn h61mxl-k bios update