$ sudo dmidecode -t BIOS # dmidecode 3.0 Getting SMBIOS data from sysfs. SMBIOS 2.6 present.
Handle 0x000F, DMI type 0, 24 bytes BIOS Information Vendor: LENOVO Version: 8DET56WW (1.26 ) Release Date: 12/01/2011 Address: 0xE0000 Runtime Size: 128 kB ROM Size: 8192 kB Characteristics: PCI is supported PNP is supported BIOS is upgradeable BIOS shadowing is allowed Boot from CD is supported Selectable boot is supported EDD is supported 3.5"/720 kB floppy services are supported (int 13h) Print screen service is supported (int 5h) 8042 keyboard services are supported (int 9h) Serial services are supported (int 14h) Printer services are supported (int 17h) 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 BIOS Revision: 1.26 Firmware Revision: 1.19
Handle 0x002D, DMI type 13, 22 bytes BIOS Language Information Language Description Format: Abbreviated Installable Languages: 1 en-US Currently Installed Language: en-US
$ sudo dmidecode -t BIOS # dmidecode 3.0 Getting SMBIOS data from sysfs. SMBIOS 2.6 present.
Handle 0x000D, DMI type 0, 24 bytes BIOS Information Vendor: LENOVO Version: 8DET76WW (1.46 ) Release Date: 06/21/2018 Address: 0xE0000 Runtime Size: 128 kB ROM Size: 8192 kB Characteristics: PCI is supported PNP is supported BIOS is upgradeable BIOS shadowing is allowed Boot from CD is supported Selectable boot is supported EDD is supported 3.5"/720 kB floppy services are supported (int 13h) Print screen service is supported (int 5h) 8042 keyboard services are supported (int 9h) Serial services are supported (int 14h) Printer services are supported (int 17h) 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 BIOS Revision: 1.46 Firmware Revision: 1.24
Handle 0x002B, DMI type 13, 22 bytes BIOS Language Information Language Description Format: Abbreviated Installable Languages: 1 en-US Currently Installed Language: en-US