컴퓨터의 DMI(Desktop Management Interface)를 사람이 읽을 수 있게 dumping 하는 명령
시스템 정보를 자세하게 출력해 주기 때문에 유용한 명령어 이다.

사용법

아무런 옵션 없이 dmidecode 명령을 입력하면, 모든 정보가 한꺼번에 지나가 버리기 때문에, 아래와 같이

more 를 사용해서 확인을 하거나, -t, -s 등의 옵션을 사용해서 확인 하면 된다.

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[root@localhost ~]# dmidecode | more
# dmidecode 2.9
SMBIOS 2.3 present.
50 structures occupying 2156 bytes.
Table at 0x000F5EEA.

Handle 0x0000, DMI type 0, 19 bytes
BIOS Information
        Vendor: IBM
        Version: -[APE132AUS-1.13]-
        Release Date: 02/16/2006
        Address: 0xF0F40
        Runtime Size: 61632 bytes
        ROM Size: 4096 kB

 .... (생략)

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-s, -t 옵션뒤에는 아래와 같은 형식의 키워드와 타입을 사용할 수 있으며, 기타 다른 옵션은 -h 옵션을 통해서 확인 가능하다.

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[root@localhost ~]# dmidecode -s
dmidecode: option requires an argument -- s
String keyword expected
Valid string keywords are:
  bios-vendor
  bios-version
  bios-release-date
  system-manufacturer
  system-product-name
  system-version
  system-serial-number
  system-uuid
  baseboard-manufacturer
  baseboard-product-name
  baseboard-version
  baseboard-serial-number
  baseboard-asset-tag
  chassis-manufacturer
  chassis-type
  chassis-version
  chassis-serial-number
  chassis-asset-tag
  processor-family
  processor-manufacturer
  processor-version
  processor-frequency

[root@localhost ~]# dmidecode -s bios-version
-[APE132AUS-1.13]-
[root@localhost ~]# dmidecode -s bios-vendor
IBM
[root@localhost ~]#

[root@localhost ~]# dmidecode -t
dmidecode: option requires an argument -- t
Type number or keyword expected
Valid type keywords are:
  bios
  system
  baseboard
  chassis
  processor
  memory
  cache
  connector
  slot

[root@localhost ~]# dmidecode -t system
# dmidecode 2.9
SMBIOS 2.3 present.

Handle 0x0001, DMI type 1, 25 bytes
System Information
        Manufacturer: IBM
        Product Name: eserver xSeries 336 -[883725K]-
        Version: Not Specified
        Serial Number: 99DAXZ7
        UUID: 80533B64-1C3B-B601-F48D-00145E800DB6
        Wake-up Type: Power Switch

Handle 0x001F, DMI type 12, 5 bytes
System Configuration Options
        Option 1: SW1-6 Power On Password Bypass
        Option 2: SW1-6 toggle, Bypass POP on next boot

Handle 0x0020, DMI type 12, 5 bytes
System Configuration Options
        Option 1: SW1-7 Force Power On
        Option 2: SW1-7 on, Force power on
        Option 3: SW1-7 off, Normal operation

Handle 0x0021, DMI type 12, 5 bytes
System Configuration Options
        Option 1: SW2-1 Force NMI
        Option 2: SW2-1 on, NMI generated
        Option 3: SW2-1 off, NMI not generated

Handle 0x0022, DMI type 12, 5 bytes
System Configuration Options
        Option 1: J28-Flash ROM page swap jumper
        Option 2: J28 pins 1-2 Primary-on, J28 pins 2-3 Backup-on
        Option 3: The Primary(default) position is J28 pins 1-2
        Option 4: Changing to pins 2-3 will change
        Option 5: which of the two pages of Flash ROM is used when
        Option 6: the system is started.

[root@localhost ~]#

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