2019年8月8日

Ubuntu/Mint 指令查 DRAM 的運作資訊:dmidecode

Win 下有不錯的 cpu-z 工具,但 linux 好像沒那麼好用的軟體。改用指令

$ sudo dmidecode -t memory

可以得到以下的顯示結果:
最大支援到 16 GB,下例裝有 4支,每支各2GB,頻率是 1333Mhz
# dmidecode 3.0
Getting SMBIOS data from sysfs.
SMBIOS 2.5 present.

Handle 0x0033, DMI type 16, 15 bytes
Physical Memory Array
 Location: System Board Or Motherboard
 Use: System Memory
 Error Correction Type: None
 Maximum Capacity: 16 GB
 Error Information Handle: Not Provided
 Number Of Devices: 4

Handle 0x0035, DMI type 17, 27 bytes
Memory Device
 Array Handle: 0x0033
 Error Information Handle: Not Provided
 Total Width: 64 bits
 Data Width: 64 bits
 Size: 2048 MB
 Form Factor: DIMM
 Set: None
 Locator: DIMM0
 Bank Locator: BANK0
 Type: Other
 Type Detail: Synchronous
 Speed: 1333 MHz
 Manufacturer: Manufacturer0
 Serial Number: SerNum0
 Asset Tag: AssetTagNum0
 Part Number: PartNum0

Handle 0x0037, DMI type 17, 27 bytes
Memory Device
 Array Handle: 0x0033
 Error Information Handle: Not Provided
 Total Width: 64 bits
 Data Width: 64 bits
 Size: 2048 MB
 Form Factor: DIMM
 Set: None
 Locator: DIMM1
 Bank Locator: BANK1
 Type: Other
 Type Detail: Synchronous
 Speed: 1333 MHz
 Manufacturer: Manufacturer1
 Serial Number: SerNum1
 Asset Tag: AssetTagNum1
 Part Number: PartNum1

Handle 0x0039, DMI type 17, 27 bytes
Memory Device
 Array Handle: 0x0033
 Error Information Handle: Not Provided
 Total Width: 64 bits
 Data Width: 64 bits
 Size: 2048 MB
 Form Factor: DIMM
 Set: None
 Locator: DIMM2
 Bank Locator: BANK2
 Type: Other
 Type Detail: Synchronous
 Speed: 1333 MHz
 Manufacturer: Manufacturer2
 Serial Number: SerNum2
 Asset Tag: AssetTagNum2
 Part Number: PartNum2

Handle 0x003B, DMI type 17, 27 bytes
Memory Device
 Array Handle: 0x0033
 Error Information Handle: Not Provided
 Total Width: 64 bits
 Data Width: 64 bits
 Size: 2048 MB
 Form Factor: DIMM
 Set: None
 Locator: DIMM3
 Bank Locator: BANK3
 Type: Other
 Type Detail: Synchronous
 Speed: 1333 MHz
 Manufacturer: Manufacturer3
 Serial Number: SerNum3
 Asset Tag: AssetTagNum3
 Part Number: PartNum3

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