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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