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      學(xué)習(xí)啦 > 學(xué)習(xí)電腦 > 電腦硬件知識(shí) > 內(nèi)存知識(shí) > Linux使用dmidecode命令查看內(nèi)存型號(hào)

      Linux使用dmidecode命令查看內(nèi)存型號(hào)

      時(shí)間: 捷鋒774 分享

      Linux使用dmidecode命令查看內(nèi)存型號(hào)

        其實(shí)Linux的內(nèi)存型號(hào)不難查看,下面,讓小編帶你們一起了解怎么查看Linux的內(nèi)存型號(hào)吧。

        Linux使用dmidecode命令查看內(nèi)存型號(hào):

        目前我的電腦內(nèi)存只有512M,想加根內(nèi)存條。機(jī)器主板是nVidia Corporation MCP61,看了下主板說明

        書發(fā)現(xiàn)系統(tǒng)內(nèi)存支持雙通道內(nèi)存技術(shù)。配置了4個(gè)DDRII DIMM插槽,支持DDRII 800/667/533內(nèi)存,

        最大支持8G容量。

        為了嘗試下雙通道內(nèi)存技術(shù),打算買根跟原來一樣的內(nèi)存條。發(fā)票的電腦配置上只寫了kingston DDRII

        512M。剩下的事情就是確定內(nèi)存的工作頻率。上網(wǎng)google發(fā)現(xiàn)有個(gè)工具dmidecode(DMI table

        decoder)。它可以全面的顯示你系統(tǒng)的信息,包括bios、cpu、內(nèi)存等信息。

        -----------------開始操作-------------------------

        [ray@localhost testcase]$ sudo dmidecode --help

        Usage: dmidecode [OPTIONS]

        Options are:

        -d, --dev-mem FILE Read memory from device FILE (default: /dev/mem)

        -h, --help Display this help text and exit

        -q, --quiet Less verbose output

        -s, --string KEYWORD Only display the value of the given DMI string

        -t, --type TYPE Only display the entries of given type

        -u, --dump Do not decode the entries

        -V, --version Display the version and exit

        [ray@localhost testcase]$ sudo dmidecode -t memory

        # dmidecode 2.7

        SMBIOS 2.4 present.

        Handle 0x0007, DMI type 5, 24 bytes.

        Memory Controller Information

        Error Detecting Method: 64-bit ECC

        Error Correcting Capabilities:

        None

        Supported Interleave: One-way Interleave

        Current Interleave: One-way Interleave

        Maximum Memory Module Size: 2048 MB

        Maximum Total Memory Size: 8192 MB

        Supported Speeds:

        70 ns

        60 ns

        Supported Memory Types:

        DIMM

        SDRAM

        Memory Module Voltage: 3.3 V

        Associated Memory Slots: 4

        0x0008

        0x0009

        0x000A

        0x000B

        Enabled Error Correcting Capabilities:

        None

        Handle 0x0008, DMI type 6, 12 bytes.

        Memory Module Information

        Socket Designation: DIMM0

        Bank Connections: 0 1

        Current Speed: Unknown

        Type: ECC DIMM

        Installed Size: 512 MB (Single-bank Connection)

        Enabled Size: 512 MB (Single-bank Connection)

        Error Status: OK

        Handle 0x0009, DMI type 6, 12 bytes.

        Memory Module Information

        Socket Designation: DIMM1

        Bank Connections: None

        Current Speed: Unknown

        Type: Unknown

        Installed Size: Not Installed

        Enabled Size: Not Installed

        Error Status: OK

        Handle 0x000A, DMI type 6, 12 bytes.

        Memory Module Information

        Socket Designation: DIMM2

        Bank Connections: None

        Current Speed: Unknown

        Type: Unknown

        Installed Size: Not Installed

        Enabled Size: Not Installed

        Error Status: OK

        Handle 0x000B, DMI type 6, 12 bytes.

        Memory Module Information

        Socket Designation: DIMM3

        Bank Connections: None

        Current Speed: Unknown

        Type: Unknown

        Installed Size: Not Installed

        Enabled Size: Not Installed

        Error Status: OK

        Handle 0x0010, DMI type 16, 15 bytes.

        Physical Memory Array

        Location: System Board Or Motherboard

        Use: System Memory

        Error Correction Type: None

        Maximum Capacity: 8 GB

        Error Information Handle: Not Provided

        Number Of Devices: 4

        Handle 0x0012, DMI type 17, 27 bytes.

        Memory Device

        Array Handle: 0x0010

        Error Information Handle: Not Provided

        Total Width: 64 bits

        Data Width: 72 bits

        Size: 512 MB

        Form Factor: DIMM

        Set: None

        Locator: DIMM0

        Bank Locator: BANK0

        Type: DDR2

        Type Detail: Synchronous

        Speed: 533 MHz (1.9 ns)

        Manufacturer: Manufacturer0

        Serial Number: SerNum0

        Asset Tag: AssetTagNum0

        Part Number: PartNum0

        Handle 0x0014, DMI type 17, 27 bytes.

        Memory Device

        Array Handle: 0x0010

        Error Information Handle: Not Provided

        Total Width: Unknown

        Data Width: 64 bits

        Size: No Module Installed

        Form Factor: DIMM

        Set: None

        Locator: DIMM1

        Bank Locator: BANK1

        Type: Unknown

        Type Detail: Unknown

        Speed: Unknown

        Manufacturer: Manufacturer1

        Serial Number: SerNum1

        Asset Tag: AssetTagNum1

        Part Number: PartNum1

        Handle 0x0016, DMI type 17, 27 bytes.

        Memory Device

        Array Handle: 0x0010

        Error Information Handle: Not Provided

        Total Width: Unknown

        Data Width: 64 bits

        Size: No Module Installed

        Form Factor: DIMM

        Set: None

        Locator: DIMM2

        Bank Locator: BANK2

        Type: Unknown

        Type Detail: Unknown

        Speed: Unknown

        Manufacturer: Manufacturer2

        Serial Number: SerNum2

        Asset Tag: AssetTagNum2

        Part Number: PartNum2

        Handle 0x0018, DMI type 17, 27 bytes.

        Memory Device

        Array Handle: 0x0010

        Error Information Handle: Not Provided

        Total Width: Unknown

        Data Width: 64 bits

        Size: No Module Installed

        Form Factor: DIMM

        Set: None

        Locator: DIMM3

        Bank Locator: BANK3

        Type: Unknown

        Type Detail: Unknown

        Speed: Unknown

        Manufacturer: Manufacturer3

        Serial Number: SerNum3

        Asset Tag: AssetTagNum3

        Part Number: PartNum3

        -------------------結(jié)束操作-------------------------

        在Memory Controller Information中,可以看到最大的內(nèi)存大小是8G,支持內(nèi)存種類為DIMM和SDRAM。

        有四個(gè)Memory Slots。對(duì)應(yīng)接下來的4個(gè)Memory Module Information。DMI type 16 (man

        dmidecode里面有DMI TYPES specification)的意思是 Physical Memory Array。 這里也可以看出來,

        最大支持內(nèi)存為8G, 有4個(gè)內(nèi)存設(shè)備。最后則列出具體的4個(gè)內(nèi)存設(shè)備,其中發(fā)現(xiàn)了一個(gè)內(nèi)存設(shè)備為512M,

        類型Type:DDR2, 工作頻率Speed: 533 MHz (1.9 ns)。這個(gè)就我目前電腦上的那根內(nèi)存條。

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