How To Check BIOS Information In Linux

by lifeLinux on May 25, 2011

Under Linux operating systems use the dmidecode command to check system BIOS information. The output from the dmidecode command include the BIOS version, Bios release date, BIOS vendor, BIOS language and other BIOS characteristics available on the system.
Type the following command as root

# dmidecode --type bios

Output

SMBIOS 2.4 present.

Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
        Vendor: Phoenix Technologies LTD
        Version: 6.00
        Release Date: 10/13/2009
        Address: 0xEA2E0
        Runtime Size: 89376 bytes
        ROM Size: 64 kB
        Characteristics:
                ISA is supported
                PCI is supported
                PC Card (PCMCIA) is supported
                PNP is supported
                APM is supported
                BIOS is upgradeable
                BIOS shadowing is allowed
                ESCD support is available
                USB legacy is supported
                Smart battery is supported
                BIOS boot specification is supported
                Targeted content distribution is supported
        BIOS Revision: 4.6
        Firmware Revision: 0.0

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