Pero existe el comando Dmidecode el cual es un excelente gestor de hardware, este comando nos permite conocer a fondo nuestro hardware y con el cual podemos verificar directamente desde linea de comandos la versión e información de la Bios de nuestro equipo

¿COMO FUNCIONA?

mauro@soyadmin:~$ sudo dmidecode -t bios
# dmidecode 3.1
Getting SMBIOS data from sysfs.
SMBIOS 2.6 present.
Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
	Vendor: American Megatrends Inc.
	Version: R1120Y6
	Release Date: 10/11/2010
	Address: 0xF0000
	Runtime Size: 64 kB
	ROM Size: 4096 kB
	Characteristics:
		PCI is supported
		PNP is supported
		BIOS is upgradeable
		BIOS shadowing is allowed
		ESCD support is available
		Boot from CD is supported
		Selectable boot is supported
		EDD is supported
		8042 keyboard services are supported (int 9h)
		CGA/mono video services are supported (int 10h)
		ACPI is supported
		USB legacy is supported
		AGP is supported
		Smart battery is supported
		BIOS boot specification is supported
		Function key-initiated network boot is supported
		Targeted content distribution is supported
	BIOS Revision: 11.20
	Firmware Revision: 11.20

La entrada Dmidecode, comando para verificar la versión de nuestra BIOS sin reiniciar se publicó primero en SoyAdmin.com.