RAM speed と type をチェックする方法

Ubuntu で RAM speed と type をチェックする方法。

# dmidecode --type 17

出力例。

# dmidecode 2.9
SMBIOS 2.5 present.

Handle 0x0025, DMI type 17, 27 bytes
Memory Device
    Array Handle: 0x0024
    Error Information Handle: Not Provided
    Total Width: 64 bits
    Data Width: 64 bits
    Size: 1024 MB
    Form Factor: DIMM
    Set: None
    Locator: DIMM1
    Bank Locator:
    Type: DDR2
    Type Detail: Synchronous
    Speed: 667 MHz (1.5 ns)
    Manufacturer: 7F7F7F0B00000000
    Serial Number: EA0D2F3D
    Asset Tag: 0D0739
    Part Number: NT1GT64U8HB0BY-3C

Handle 0x0026, DMI type 17, 27 bytes
Memory Device
    Array Handle: 0x0024
    Error Information Handle: Not Provided
    Total Width: Unknown
    Data Width: Unknown
    Size: No Module Installed
    Form Factor: DIMM
    Set: None
    Locator: DIMM2
    Bank Locator:
    Type: Unknown
    Type Detail: Unknown
    Speed: Unknown
    Manufacturer: 7F7F7F7F7F510000
    Serial Number: 010AE026
    Asset Tag: 440725
    Part Number: 64T64000HU25FB

Handle 0x0027, DMI type 17, 27 bytes
Memory Device
    Array Handle: 0x0024
    Error Information Handle: Not Provided
    Total Width: 64 bits
    Data Width: 64 bits
    Size: 1024 MB
    Form Factor: DIMM
    Set: None
    Locator: DIMM3
    Bank Locator:
    Type: DDR2
    Type Detail: Synchronous
    Speed: 667 MHz (1.5 ns)
    Manufacturer: 7F7F7F0B00000000
    Serial Number: 200D2F3B
    Asset Tag: 0D0739
    Part Number: NT1GT64U8HB0BY-3C

Handle 0x0028, DMI type 17, 27 bytes
Memory Device
    Array Handle: 0x0024
    Error Information Handle: Not Provided
    Total Width: Unknown
    Data Width: Unknown
    Size: No Module Installed
    Form Factor: DIMM
    Set: None
    Locator: DIMM4
    Bank Locator:
    Type: Unknown
    Type Detail: Unknown
    Speed: Unknown
    Manufacturer: CE00000000000000
    Serial Number: 7311D115
    Asset Tag: 010636
    Part Number: M3 78T6553CZ3-CE7

● RAM, speed, type, DDR2, DDR3, スピード, タイプ, 種類, メモリ, memory