如何查询linux下BIOS信息

使用dmidecode命令时，如果不加任何参数，则打印出所有类型的信息；

 

 

查询指令 

查询BIOS中的Secure boot设置：

[root@fp-web-112 ~]# bootctl status

 

 

查询BIOS版本   

[root@fp-web-112 ~]# dmidecode -s bios-version

6.00

查询BIOS系统信息 　

 

 

 

如果要查询-t 后面的类型号，可以通过man dmidecode进行查询

SMBIOS specification 2.7.1 中定义了如下的结构类型：

[root@fp-web-112 ~]#  dmidecode -t  0# dmidecode 2.12-dmifsSMBIOS 2.4 present.
Handle 0x0000, DMI type 0, 24 bytesBIOS InformationVendor: Phoenix Technologies LTDVersion: 6.00Release Date: 09/21/2015Address: 0xE99E0Runtime Size: 91680 bytesROM Size: 64 kBCharacteristics:ISA is supportedPCI is supportedPC Card (PCMCIA) is supportedPNP is supportedAPM is supportedBIOS is upgradeableBIOS shadowing is allowedESCD support is availableBoot from CD is supportedSelectable boot is supportedEDD is supportedPrint 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 supportedSmart battery is supportedBIOS boot specification is supportedFunction key-initiated network boot is supportedTargeted content distribution is supportedBIOS Revision: 4.6Firmware Revision: 0.0