{"id":4607,"date":"2015-04-26T19:13:57","date_gmt":"2015-04-26T11:13:57","guid":{"rendered":"http:\/\/rmohan.com\/?p=4607"},"modified":"2015-04-26T19:13:57","modified_gmt":"2015-04-26T11:13:57","slug":"view-information-about-your-bios-from-linux-using-dmidecode","status":"publish","type":"post","link":"https:\/\/mohan.sg\/?p=4607","title":{"rendered":"View information about your BIOS from Linux using dmidecode"},"content":{"rendered":"<p>To get at this information we will use a utility called \u201cdmidecode\u201d. dmidecode is a tool for dumping a computer\u2019s DMI (some say SMBIOS) table contents in a human-readable format.<\/p>\n<p>On CentOS\/RHEL\/Fedora you may run the following to install it.<\/p>\n<pre># yum install dmidecode<\/pre>\n<p>On Arch Linux you may run<\/p>\n<pre># pacman -S dmidecode<\/pre>\n<p>The following examples will allow you to see a few important parts of information such as;<\/p>\n<ul>\n<li>The manufacturer of your motherboard<\/li>\n<li>What type of motherboard you have<\/li>\n<li>The version of the BIOS running on your motherboard<\/li>\n<\/ul>\n<h2>To view the manufacturer and what type of motherboard you have, run the following<\/h2>\n<pre>dmidecode --type system<\/pre>\n<h3>Example<\/h3>\n<pre># dmidecode 2.11\r\nSMBIOS 2.4 present.\r\n\r\nHandle 0x0001, DMI type 1, 27 bytes\r\nSystem Information\r\n        Manufacturer: Gigabyte Technology Co., Ltd.\r\n        Product Name: GA-MA78G-DS3H\r\n        Version:\r\n        Serial Number:\r\n        UUID: 4E2F4100-0000-0000-0000-0000FFFFFFFF\r\n        Wake-up Type: Power Switch\r\n        SKU Number:\r\n        Family:\r\n\r\nHandle 0x0034, DMI type 32, 11 bytes\r\nSystem Boot Information\r\n        Status: No errors detected<\/pre>\n<h2>To view the version of your BIOS you may run the following<\/h2>\n<pre>#dmidecode --type bios<\/pre>\n<h3>Example<\/h3>\n<pre># dmidecode 2.11\r\nSMBIOS 2.4 present.\r\n\r\nHandle 0x0000, DMI type 0, 24 bytes\r\nBIOS Information\r\n        Vendor: Award Software International, Inc.\r\n        Version: FA\r\n        Release Date: 09\/19\/2008\r\n        Address: 0xE0000\r\n        Runtime Size: 128 kB\r\n        ROM Size: 1024 kB\r\n        Characteristics:\r\n                ISA is supported\r\n                PCI is supported\r\n                PNP is supported\r\n                APM is supported\r\n                BIOS is upgradeable\r\n                BIOS shadowing is allowed\r\n                Boot from CD is supported\r\n                Selectable boot is supported\r\n                BIOS ROM is socketed\r\n                EDD is supported\r\n                5.25\"\/360 kB floppy services are supported (int 13h)\r\n                5.25\"\/1.2 MB floppy services are supported (int 13h)\r\n                3.5\"\/720 kB floppy services are supported (int 13h)\r\n                3.5\"\/2.88 MB floppy services are supported (int 13h)\r\n                Print screen service is supported (int 5h)\r\n                8042 keyboard services are supported (int 9h)\r\n                Serial services are supported (int 14h)\r\n                Printer services are supported (int 17h)\r\n                CGA\/mono video services are supported (int 10h)\r\n                ACPI is supported\r\n                USB legacy is supported\r\n                AGP is supported\r\n                LS-120 boot is supported\r\n                ATAPI Zip drive boot is supported\r\n                BIOS boot specification is supported\r\n                Targeted content distribution is supported\r\n\r\nHandle 0x0029, DMI type 13, 22 bytes\r\nBIOS Language Information\r\n        Language Description Format: Long\r\n        Installable Languages: 3\r\n                n|US|iso8859-1\r\n                n|US|iso8859-1\r\n                r|CA|iso8859-1\r\n        Currently Installed Language: n|US|iso8859-1<\/pre>\n<p>There\u2019s also additional options to use with dmidecode. You probably also want to try the following to get an idea of what type of information you can get your hands on.<\/p>\n<pre>#dmidecode --type keyword<\/pre>\n<pre>Valid type keywords are:\r\n  bios\r\n  system\r\n  baseboard\r\n  chassis\r\n  processor\r\n  memory\r\n  cache\r\n  connector\r\n  slot<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>To get at this information we will use a utility called \u201cdmidecode\u201d. dmidecode is a tool for dumping a computer\u2019s DMI (some say SMBIOS) table contents in a human-readable format.<\/p>\n<p>On CentOS\/RHEL\/Fedora you may run the following to install it.<\/p>\n<p> # yum install dmidecode <\/p>\n<p>On Arch Linux you may run<\/p>\n<p> # pacman -S dmidecode <\/p>\n<p>The [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,4],"tags":[],"_links":{"self":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/4607"}],"collection":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4607"}],"version-history":[{"count":1,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/4607\/revisions"}],"predecessor-version":[{"id":4608,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/4607\/revisions\/4608"}],"wp:attachment":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4607"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4607"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4607"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}