If you are trying to downgrade to a previous BIOS version and its Intel ME Firmware version is older than that currently on the motherboard, then the downgrade is NOT supported. An earlier BIOS version might not offer support for the latest processors, bug fixes, critical security updates, or support the latest board revisions currently being manufactured. Downgrading the BIOS to an earlier version is not recommended and might not be supported. We do not recommend BIOS updates for computers that do not need it.
#Intel iflash pf update
Update the BIOS on your computer only if the newer BIOS version specifically solves a problem you have.
The update process will take up to 3 minutes. Once the update process has started, DO NOT POWER DOWN YOUR SYSTEM before the update is complete. UEFI BIOS update - Allows updating of the BIOS from the EFI shell. iflash BIOS update - A DOS-based utility to update the BIOS regardless of operating system. Use the recovery BIOS update to recover from this condition. In the unlikely event that a BIOS update is interrupted, it is possible the BIOS may be left in an unusable state. BIO file to be used for F7 BIOS Update method or a BIOS recovery process. At least flash to BIOS BN0056 if Secure Boot is going to be Enabled. Can’t update BIOS from before BN0056 to BN0091 directly when Secure Boot is Enable. Fixed issue where After S5 Shutdown, system cannot wake up with USB Keyboard or Mouse. Memory Reference Code: Based on 1.7.0.0
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