Find Out BIOS version from Linux Shell

One can find out BIOS version under for  Linux Box using the dmidecode command which is a great tool to analyse BIOS data.

Dmidecode command helps you to find out  the BIOS version without rebooting the server.

Example ::

[email protected] [~]# dmidecode --type 0
 # dmidecode 2.11
 SMBIOS 2.6 present.
 Handle 0x0000, DMI type 0, 24 bytes
 BIOS Information
 Vendor: Dell Inc.
 Version: 1.3.8
 Release Date: 02/26/2010
 Address: 0xF0000
 Runtime Size: 64 kB
 ROM Size: 4096 kB
 Characteristics:
 ISA is supported
 PCI is supported
 PNP is supported
 BIOS is upgradeable
 BIOS shadowing is allowed
 Boot from CD is supported
 Selectable boot is supported
 EDD is supported
 Japanese floppy for Toshiba 1.2 MB is supported (int 13h)
 5.25"/360 kB floppy services are supported (int 13h)
 5.25"/1.2 MB floppy services are supported (int 13h)
 3.5"/720 kB floppy services are supported (int 13h)
 8042 keyboard services are supported (int 9h)
 Serial services are supported (int 14h)
 CGA/mono video services are supported (int 10h)
 ACPI is supported
 USB legacy is supported
 BIOS boot specification is supported
 Function key-initiated network boot is supported
 Targeted content distribution is supported
 BIOS Revision: 1.3

 

OR

[email protected] [~]# dmidecode -s bios-version
 1.3.8

 That’s all.