Supermicro BIOS / BMC / Bundle Firmware Download Center

File Name:

BIOS_A3SEV-1C2A_20250521_2.1_STDsp.zip

This zip file contains BIOS ROM, Flash utility, and Readme instructions. You may download the free WINZIP utility to extract the contents of this file.

MD5:

a4b0fa232265613f4d98085c65d8a5a3

SHA1:

4b746091fe282f8e31edcabad5ca59867cc454ed

SHA256:

84fa244867232e6575344f49995c5f030f8c904306d980a96f0b04217ac46582

Verify Your Download
To ensure the file you downloaded has not been corrupted or tampered with, compare its unique digital fingerprint (hash) to the official value below.

How to Check Your File

Operating System	Command to Run
Windows (10/11)	Powershell: Get-FileHash 'path\to\DowloadedFileName' -Algorithm SHA256 cmd: certutil -hashfile 'path\to\DowloadedFileName' SHA256
macOS/Linux	sha256sum 'path/to/DowloadedFileName'

Verification
If the hash value generated by your command exactly matches the official checksum above, your file is intact and authentic. Supermicro recommends validating the downloaded file using multiple hash algorithms.

WARNING!
It is recommended to flash the Firmware for your system only when there is a Firmware-related issue. Flashing the wrong BIOS/Firmware can cause irreparable damage to the system.

In no event shall Supermicro be liable for direct, indirect, special, incidental,or consequential damages arising from a BIOS/Firmware update.