If you own an ECS H61H2-MV and are still on a BIOS from 2011 or early 2012, make a portable USB stick today. The stability and CPU compatibility gains are absolutely worth the minimal risk.
Updating the ECS H61H2‑MV BIOS via a portable USB FreeDOS method is reliable when you:
Plug the USB drive into a rear USB 2.0 port (avoid front-panel ports for better stability).

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