Here, BIOS Revision: 2.6 sometimes confuses users. The true SMBIOS version is listed higher up or via the main dmidecode header. Always look for the line:
parsed_info.append(info)
The size of the largest SMBIOS structure present in the table. smbios version 26 top
, which was released by the Distributed Management Task Force (
A unique 16-bit identifier used to reference the structure. The String Area Here, BIOS Revision: 2
Many mature data centers have scripts written over a decade ago to parse dmidecode output. These scripts expect SMBIOS 2.6 format in the output. When an IT pro searches "smbios version 26 top," they are often trying to understand why a new server shows "2.6" when they expected "3.2"—the answer often lies in the BIOS firmware setting (e.g., legacy vs. UEFI boot mode).
sudo dmidecode -t 1 # System Information sudo dmidecode -t 4 # Processor Information Use code with caution. On Windows Systems , which was released by the Distributed Management
This will return a table with the SMBIOSBIOSVersion , the manufacturer, and other useful firmware details. For a complete system overview, you can also open the graphical tool ( msinfo32 ). This displays the SMBIOS version prominently in its system summary, along with the BIOS mode and other key details.
: Expanded lists to include more modern processor families and architectures available at the time of release .
On Linux, the go-to tool for this job is . It reads the DMI (Desktop Management Interface) table, which is the storage location for SMBIOS data, and presents it in a human-readable format. To install it, use your distribution's package manager, such as sudo apt install dmidecode on Debian/Ubuntu. Once installed, the simplest command to see the SMBIOS version is: