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在 Ubuntu 底下查詢記憶時脈體資訊

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最近想升級 Notebook 記憶體到 16G,要查看 Ubuntu 底下記憶體時脈資訊,可以透過 dmidecode 指令來取的記憶體硬體裝置資訊,此指令不只是這樣而已,還可以得知整台電腦硬體 components 資訊,底下擷取如何得到記憶體裝置資訊

$ dmidecode --type 17 | more

輸出結果為

# dmidecode 2.11
SMBIOS 2.4 present.

Handle 0x0036, DMI type 17, 27 bytes
Memory Device
        Array Handle: 0x0035
        Error Information Handle: Not Provided
        Total Width: 64 bits
        Data Width: 64 bits
        Size: 2048 MB
        Form Factor: SODIMM
        Set: None
        Locator: DIMM0
        Bank Locator: BANK 0
        Type: DDR3
        Type Detail: Synchronous
        Speed: 1067 MHz
        Manufacturer: 80CE
        Serial Number: 621AD76C
        Asset Tag: Unknown
        Part Number: M471B5673FH0-CF8

可以看到目前其中一個記憶體插槽時脈為 1067 MHz,型態為 DDR3。這樣就可以直接去升級記憶體了 …


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