Supermicro BIOS / BMC / Bundle Firmware Download Center

File Name:

BIOS_A4SAP-1D66_20250624_1.2_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:

5e5ae348a6b822c60b6d62cb94d8c667

SHA1:

de14ef5c760608ea90668f175bafbf030138818d

SHA256:

c5f3ddf3ada1be93df88cf62a464b01f215566210e9cff2c084c02f9bf891186

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.