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Finding BIOS version in Linux Servers



In a day to day system administrative tasks, you may need to find out BIOS version of your servers. In Linux, you can find out the BIOS version without rebooting the server. dmidecode command can be used to achieve this.


Command : dmidecode --type 0


[[email protected] ~]# dmidecode --type 0
# dmidecode 2.7
SMBIOS 2.5 present.


Handle 0x0000, DMI type 0, 20 bytes.
BIOS Information
         Vendor: innotek GmbH
           Version: VirtualBox
          Release Date: 12/01/2006
        Address: 0xE0000
        Runtime Size: 128 kB
        ROM Size: 128 kB
        Characteristics:
                ISA is supported
                PCI is supported
                Boot from CD is supported
                Selectable boot is supported
                8042 keyboard services are supported (int 9h)
                CGA/mono video services are supported (int 10h)
                ACPI is supported


[[email protected] ~]#


In some of the Linux servers, depending upon Hardware model, "--type 0" wont give correct output. In that cases, just use "dmidecode | more" command and find out the information by manually looking out the output.





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I'm Parthiban, An UNIX System Admin by Profession. I'm Experienced in Linux/Unix System Administration and Scripting. I have done lot of work on the infrastructure Mgmt side in Linux, UNIX and Windows system administration, Hardware, Storage and Data center. I'm blogging since 2008.
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1 Comments for "Finding BIOS version in Linux Servers"

article is very nice it is very useful
thanks

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