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

    Linux使用dmidecode命令查看內(nèi)存型號

    時間: 捷鋒774 分享

    Linux使用dmidecode命令查看內(nèi)存型號

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

      Linux使用dmidecode命令查看內(nèi)存型號:

      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Memory Slots。對應(yīng)接下來的4個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個內(nèi)存設(shè)備。最后則列出具體的4個內(nèi)存設(shè)備,其中發(fā)現(xiàn)了一個內(nèi)存設(shè)備為512M,

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

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