Supermicro BIOS / BMC / Bundle Firmware Download Center

File Name:

BIOS_A4SAP-1D66_20260112_1.3_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:

fc866ccce76eee2517f585a53b890b55

SHA1:

dc00f0bb083ab76d735e2fd9a4beade3762e5a7c

SHA256:

fb18b5570cb3d48e46a4ace560b4bfcd7ac66d153d4e0fe9afa847f4e13a0a67

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.