dmidecode - to know the Hardware Details in Linux
by Rekha[ Edit ] 2009-11-16 14:17:35
The "dmidecode" is a handy tool in Linux to display the hardware specification detail. For example, memory, processor , BIOS and etc.
man dmidecode
DMI TYPES
The SMBIOS specification defines the following DMI types:
Type Information
----------------------------------------
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
If we want to know our memory devide information in Linux. We can issue the following command. "17 Memory Device"
sudo dmidecode -t 17
# dmidecode 2.9
SMBIOS 2.4 present.
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: 2048 MB
Form Factor: DIMM
Set: None
Locator: A0
Bank Locator: Bank0/1
Type: Unknown
Type Detail: None
Speed: 800 MHz (1.2 ns)
Manufacturer:
Serial Number:
Asset Tag:
Part Number:
If we want to know our processor information in Linux. We can issue the following command. "4 Processor"
sudo dmidecode -t 4
# dmidecode 2.9
SMBIOS 2.4 present.
Handle 0x0004, DMI type 4, 35 bytes
Processor Information
Socket Designation: Socket 775
Type: Central Processor
Family: Other
Manufacturer: Intel
ID: 77 06 01 00 FF FB EB BF
Version: Intel(R) Core(TM)2 Quad CPU
Voltage: 1.0 V
External Clock: 333 MHz
Max Speed: 4000 MHz
Current Speed: 2333 MHz
Status: Populated, Enabled
Upgrade: Socket 478
L1 Cache Handle: 0x000A
L2 Cache Handle: 0x000B
L3 Cache Handle: Not Provided
Serial Number:
Asset Tag:
