2008年12月17日 星期三

使用 dmidecode - DMI table decoder 來查看硬體資訊

GNU/Linux 系統上面有個很方便的套件可以拿來查詢目前主機上的一些硬體的資訊
像是 CPU 就可以使用 sudo dmidecode --type processor
就會得到以下的結果
Handle 0x0004, DMI type 4, 35 bytes
Processor Information
    Socket Designation: Socket 775
    Type: Central Processor
    Family: Pentium D
    Manufacturer: Intel
    ID: 65 0F 00 00 FF FB EB BF
    Signature: Type 0, Family 15, Model 6, Stepping 5
    Flags:
        FPU (Floating-point unit on-chip)
        VME (Virtual mode extension)
        DE (Debugging extension)
        PSE (Page size extension)
        TSC (Time stamp counter)
        MSR (Model specific registers)
        PAE (Physical address extension)
        MCE (Machine check exception)
        CX8 (CMPXCHG8 instruction supported)
        APIC (On-chip APIC hardware supported)
        SEP (Fast system call)
        MTRR (Memory type range registers)
        PGE (Page global enable)
        MCA (Machine check architecture)
        CMOV (Conditional move instruction supported)
        PAT (Page attribute table)
        PSE-36 (36-bit page size extension)
        CLFSH (CLFLUSH instruction supported)
        DS (Debug store)
        ACPI (ACPI supported)
        MMX (MMX technology supported)
        FXSR (Fast floating-point save and restore)
        SSE (Streaming SIMD extensions)
        SSE2 (Streaming SIMD extensions 2)
        SS (Self-snoop)
        HTT (Hyper-threading technology)
        TM (Thermal monitor supported)
        PBE (Pending break enabled)
    Version: Intel(R) Pentium(R) D
    Voltage: 1.2 V
    External Clock: 200 MHz
    Max Speed: 3800 MHz
    Current Speed: 3000 MHz
    Status: Populated, Enabled
    Upgrade: ZIF Socket
    L1 Cache Handle: 0x0008
    L2 Cache Handle: 0x0009
    L3 Cache Handle: Not Provided
    Serial Number: 
    Asset Tag: 
    Part Number: 
使用的關鍵字有 bios, system, baseboard, chassis, processor, memory, cache, connector, slot
當然還有細微的使用方式像是想要查詢現在電腦主機上面插著的記憶體資訊就可以使用 sudo dmidecode --type 17
Handle 0x001A, DMI type 17, 27 bytes
Memory Device
    Array Handle: 0x0019
    Error Information Handle: Not Provided
    Total Width: 64 bits
    Data Width: 64 bits
    Size: 512 MB
    Form Factor: DIMM
    Set: None
    Locator: A0
    Bank Locator: Bank0/1
    Type: Unknown
    Type Detail: None
    Speed: Unknown
    Manufacturer: None
    Serial Number: None
    Asset Tag: None
    Part Number: None

Handle 0x001B, DMI type 17, 27 bytes
Memory Device
    Array Handle: 0x0019
    Error Information Handle: Not Provided
    Total Width: 64 bits
    Data Width: 64 bits
    Size: 512 MB
    Form Factor: DIMM
    Set: None
    Locator: A1
    Bank Locator: Bank2/3
    Type: Unknown
    Type Detail: None
    Speed: Unknown
    Manufacturer: None
    Serial Number: None
    Asset Tag: None
    Part Number: None
詳細的使用說明就請使用 man dmidecode 來看囉~

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