dmidecode - Linux 查看 BIOS 信息
执行了一些数据导入导出的操作,突然 Ubunut 16.04 变得有些反应迟钝。htop 看了一下发现物理内存占用很高,想知道这笔记本还有没有空闲的内存插槽。
dmidecode
遵循 SMBIOS/DMI 标准,可读取机器的 DMI(Desktop Management Interface) 信息, 包括 BIOS、系统、主板、处理器、内存、缓存等, 既可以得到当前的配置,也可以得到系统支持的最大配置,如支持的最大内存数等。
显示全部 dmi 信息
输出的结果特别多
$ sudo dmidecode
精简 dmi 信息输出
$ sudo dmidecode -q
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 32 GB
Number Of Devices: 4
Memory Device
Total Width: 64 bits
Data Width: 64 bits
Size: 4096 MB
Form Factor: SODIMM
Set: None
Locator: ChannelA-DIMM0
Bank Locator: BANK 0
Type: DDR3
Type Detail: Synchronous
Speed: 1600 MHz
Manufacturer: 0443
Serial Number: 108E5182
Asset Tag: 9876543210
Part Number: RMT3160ED58E9W1600
Rank: Unknown
Configured Clock Speed: 1600 MHz
Memory Device
Total Width: Unknown
Data Width: Unknown
Size: No Module Installed
Form Factor: DIMM
Set: None
Locator: ChannelA-DIMM1
Bank Locator: BANK 1
Type: Unknown
Type Detail: None
Speed: Unknown
Manufacturer: Not Specified
Serial Number: Not Specified
Asset Tag: 9876543210
Part Number: Not Specified
Rank: Unknown
Configured Clock Speed: Unknown
Memory Device
Total Width: Unknown
Data Width: Unknown
Size: No Module Installed
Form Factor: DIMM
Set: None
Locator: ChannelB-DIMM0
Bank Locator: BANK 2
Type: Unknown
Type Detail: None
Speed: Unknown
Manufacturer: Not Specified
Serial Number: Not Specified
Asset Tag: 9876543210
Part Number: Not Specified
Rank: Unknown
Configured Clock Speed: Unknown
Memory Device
Total Width: Unknown
Data Width: Unknown
Size: No Module Installed
Form Factor: DIMM
Set: None
Locator: ChannelB-DIMM1
Bank Locator: BANK 3
Type: Unknown
Type Detail: None
Speed: Unknown
Manufacturer: Not Specified
Serial Number: Not Specified
Asset Tag: 9876543210
Part Number: Not Specified
Rank: Unknown
Configured Clock Speed: Unknown
Memory Device Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x000FFFFFFFF
Range Size: 4 GB
Partition Row Position: 1
Memory Array Mapped Address
Starting Address: 0x00000000000
Ending Address: 0x000FFFFFFFF
Range Size: 4 GB
Partition Width: 4
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