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この記事は最終更新から 2686日 が経過しています。
dmidecode コマンドは、いろいろなハードウェア情報を表示してくれる。
(1) BIOS情報の表示
–type 0 指定でBIOS情報を表示する。
[root@ /]# dmidecode --type 0
# dmidecode 2.12
SMBIOS 2.7 present.
Handle 0x0000, DMI type 0, 24 bytes
BIOS Information
Vendor: Intel Corp.
Version: ENB7510H.86A.0041.2012.1122.1644
Release Date: 11/22/2012
Address: 0xF0000
Runtime Size: 64 kB
ROM Size: 12288 kB
Characteristics:
PCI is supported
BIOS is upgradeable
BIOS shadowing is allowed
Boot from CD is supported
Selectable boot is supported
EDD is supported
5.25"/1.2 MB floppy services are supported (int 13h)
3.5"/720 kB floppy services are supported (int 13h)
3.5"/2.88 MB floppy services are supported (int 13h)
Print screen service is supported (int 5h)
8042 keyboard services are supported (int 9h)
Serial services are supported (int 14h)
Printer services are supported (int 17h)
ACPI is supported
USB legacy is supported
BIOS boot specification is supported
Targeted content distribution is supported
UEFI is supported
BIOS Revision: 4.6
(2) メモリ情報の表示
–type 17 指定でメモリ情報を表示する。
[root@ /]# dmidecode --type 17
# dmidecode 2.12
SMBIOS 2.7 present.
Handle 0x0041, DMI type 17, 34 bytes
Memory Device
Array Handle: 0x003F
Error Information Handle: Not Provided
Total Width: Unknown
Data Width: Unknown
Size: No Module Installed
Form Factor: DIMM
Set: None
Locator: DIMM3
Bank Locator: CHANNEL A SLOT0
Type: Unknown
Type Detail: None
Speed: Unknown
Manufacturer: [Empty]
Serial Number: [Empty]
Asset Tag: 9876543210
Part Number: [Empty]
Rank: Unknown
Configured Clock Speed: Unknown
Handle 0x0042, DMI type 17, 34 bytes
Memory Device
Array Handle: 0x003F
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: DIMM
Set: None
Locator: DIMM1
Bank Locator: CHANNEL A SLOT1
Type: DDR3
Type Detail: Synchronous
Speed: 1333 MHz
Manufacturer: 86D3
Serial Number: 00000000
Asset Tag: 9876543210
Part Number: DBLT2GN568O
Rank: 1
Configured Clock Speed: 1333 MHz
Handle 0x0044, DMI type 17, 34 bytes
Memory Device
Array Handle: 0x003F
Error Information Handle: Not Provided
Total Width: Unknown
Data Width: Unknown
Size: No Module Installed
Form Factor: DIMM
Set: None
Locator: DIMM4
Bank Locator: CHANNEL B SLOT0
Type: Unknown
Type Detail: None
Speed: Unknown
Manufacturer: [Empty]
Serial Number: [Empty]
Asset Tag: 9876543210
Part Number: [Empty]
Rank: Unknown
Configured Clock Speed: Unknown
Handle 0x0045, DMI type 17, 34 bytes
Memory Device
Array Handle: 0x003F
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: DIMM
Set: None
Locator: DIMM2
Bank Locator: CHANNEL B SLOT1
Type: DDR3
Type Detail: Synchronous
Speed: 1333 MHz
Manufacturer: 86D3
Serial Number: 00000000
Asset Tag: 9876543210
Part Number: DBLT2GN568O
Rank: 1
Configured Clock Speed: 1333 MHz
(3) その他
以下のような情報を表示できる。
# Type | Short Description |
0 | BIOS |
1 | System |
2 | Base Board |
3 | Chassis |
4 | Processor |
5 | Memory Controller |
6 | Memory Module |
7 | Cache |
8 | Port Connector |
9 | System Slots |
10 | On Board Devices |
11 | OEM Strings |
12 | System Configuration Options |
13 | BIOS Language |
14 | Group Associations |
15 | System Event Log |
16 | Physical Memory Array |
17 | Memory Device |
18 | 32-bit Memory Error |
19 | Memory Array Mapped Address |
20 | Memory Device Mapped Address |
21 | Built-in Pointing Device |
22 | Portable Battery |
23 | System Reset |
24 | Hardware Security |
25 | System Power Controls |
26 | Voltage Probe |
27 | Cooling Device |
28 | Temperature Probe |
29 | Electrical Current Probe |
30 | Out-of-band Remote Access |
31 | Boot Integrity Services |
32 | System Boot |
33 | 64-bit Memory Error |
34 | Management Device |
35 | Management Device Component |
36 | Management Device Threshold Data |
37 | Memory Channel |
38 | IPMI Device |
39 | Power Supply |