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Linux系统如何使用命令查看BIOS信息呢，这多多少少都会困扰到用户。
其它，Linux系统查看主机BIOS信息是非常方便的，使用”dmidecode”命令就可以了。这个工具可以查看主机BIOS数据，在执行时需要以root权限登录。
在命令行输入如下命令：
// run as root user ## # dmidecode | less // or use sudo ## $ sudo dmidecode | less
典型输出内容如下：
# dmidecode 3.1
Getting SMBIOS data from sysfs.
SMBIOS 2.4 present.
10 structures occupying 300 bytes.
Table at 0x000FD8D0.
Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
Vendor: Bochs
Version: Bochs
Release Date: 01/01/2011
Address: 0xE8000
Runtime Size: 96 kB
ROM Size: 64 kB
Characteristics:
BIOS characteristics not supported
Targeted content distribution is supported
BIOS Revision: 1.0
Handle 0x0100, DMI type 1, 27 bytes
System Information
Manufacturer: Bochs
Product Name: Bochs
Version: Not Specified
Serial Number: f8c66558-ca0d-48fe-a4f0-df2e5a23ab4a
UUID: f8c66558-ca0d-48fe-a4f0-df2e5a23ab4a
Wake-up Type: Power Switch
SKU Number: Not Specified
Family: Not Specified
Handle 0x0300, DMI type 3, 20 bytes
Chassis Information
Manufacturer: Bochs
Type: Other
Lock: Not Present
Version: Not Specified
Serial Number: Not Specified
Asset Tag: Not Specified
Boot-up State: Safe
Power Supply State: Safe
Thermal State: Safe
Security Status: Unknown
OEM Information: 0x00000000
Height: Unspecified
Number Of Power Cords: Unspecified
Handle 0x0401, DMI type 4, 32 bytes
Processor Information
Socket Designation: CPU 1
Type: Central Processor
Family: Other
Manufacturer: Bochs
ID: F2 06 03 00 FF FB 8B 1F
Version: Not Specified
Voltage: Unknown
External Clock: Unknown
Max Speed: 2000 MHz
Current Speed: 2000 MHz
Status: Populated, Enabled
Upgrade: Other
L1 Cache Handle: Not Provided
L2 Cache Handle: Not Provided
L3 Cache Handle: Not Provided
Handle 0x1000, DMI type 16, 15 bytes
Physical Memory Array
Location: Other
Use: System Memory
Error Correction Type: Multi-bit ECC
Maximum Capacity: 1 GB
Error Information Handle: Not Provided
Number Of Devices: 1
Handle 0x1100, DMI type 17, 21 bytes
Memory Device
Array Handle: 0x1000
Error Information Handle: 0x0E01
Total Width: 64 bits
Data Width: 64 bits
Size: 1024 MB
Form Factor: DIMM
Set: None
Locator: DIMM 0
Bank Locator: Not Specified
Type: RAM
Type Detail: None
Handle 0x1300, DMI type 19, 15 bytes
Memory Array Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x0003FFFFFFF
Range Size: 1 GB
Physical Array Handle: 0x1000
Partition Width: 1
Handle 0x1400, DMI type 20, 19 bytes
Memory Device Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x0003FFFFFFF
Range Size: 1 GB
Physical Device Handle: 0x1100
Memory Array Mapped Address Handle: 0x1300
Partition Row Position: 1
Handle 0x2000, DMI type 32, 11 bytes
System Boot Information
Status: No errors detected
Handle 0x7F00, DMI type 127, 4 bytes
End Of Table
当然，如果觉得内容过多不容易区分的话，可以使用如下命令显示特定内容：
# dmidecode -s system-manufacturer //制造商 # dmidecode -s system-product-name //制造商名 # dmidecode -s bios-release-date //制造日期 # dmidecode -s bios-version //BIOS版本
可以看到，Linux系统也可方便的使用命令行工具显示BIOS的详细信息。
