Información del BIOS en la terminal de GNU Linux (imagen destacada)

Muchas veces necesitamos conocer información del BIOS, pero no queremos reiniciar nuestro sistema operativo GNU/Linux, así que queremos resolver de alguna manera. Les voy a mostrar como resolver por medio de la terminal.

Obs:

  •  Utilizo Ubuntu 18.04 LTS Beaver Bionic de 64 bits.

Entramos a la terminal para obtener la versión del BIOS:
sudo dmidecode -s bios-version

Sale por pantalla:
6LCN22WW(V1.08)

Toda la información relacionada al BIOS:
sudo dmidecode --type bios

Sale por pantalla:
# dmidecode 3.1
Getting SMBIOS data from sysfs.

SMBIOS 3.0 present.

Handle 0x0000, DMI type 0, 24 bytes
BIOS Information

Vendor: LENOVO

Version: 6LCN22WW(V1.08)

Release Date: 07/05/2018


Address: 0xE0000

Runtime Size: 128 kB

ROM Size: 6144 kB

Characteristics:

PCI is supported

BIOS is upgradeable

BIOS shadowing is allowed

Boot from CD is supported

Selectable boot is supported

EDD is supported

Japanese floppy for NEC 9800 1.2 MB is supported (int 13h)

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)

3.5"/2.88 MB floppy services are supported (int 13h)

8042 keyboard services are supported (int 9h)

CGA/mono video services are supported (int 10h)

ACPI is supported

USB legacy is supported

BIOS boot specification is supported

Targeted content distribution is supported

UEFI is supported

BIOS Revision: 1.22

Firmware Revision: 1.22

Handle 0x0020, DMI type 13, 22 bytes
BIOS Language Information

Language Description Format: Long

Installable Languages: 8

en|US|iso8859-1,0

fr|FR|iso8859-1,0

zh|TW|unicode,0

ja|JP|unicode,0

it|IT|iso8859-1,0

es|ES|iso8859-1,0

de|DE|iso8859-1,0

pt|PT|iso8859-1,0

Currently Installed Language: en|US|iso8859-1,0

Información resumida del BIOS
for d in system-manufacturer system-product-name bios-release-date bios-version
do

echo "${d^} : " $(sudo dmidecode -s $d)

done

Sale por pantalla:
System-manufacturer : LENOVO
System-product-name : 81BD

Bios-release-date : 07/05/2018

Bios-version : 6LCN22WW(V1.08)

Fuente: nixCraft

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