If your board is unbranded, you may need to search for the ECS H61H2-M2 BIOS, which is the retail equivalent. Flashing retail BIOS onto an OEM board can disable front-panel connectors or specific BIOS features. 💻 How to Flash the BIOS
If you are stuck on an old P11 BIOS, updating to P21-A3 is the single best performance upgrade you can make for free. Just remember – after the update, always load optimized defaults and double-check your boot order. h61h2-am v1.1 bios