Get Information About Your BIOS / Server Hardware From a Shell

dmidecode – Read biosdecode data in a human-readable format

Data provided by biosdecode is not in a human-readable format. You need to use dmidecode command for dumping a computer’s DMI (SMBIOS) table contents on screen. This table contains a description of the system’s hardware components, as well as other useful pieces of information such as serial numbers and BIOS revision. Thanks to this table, you can retrieve this information without having to probe for the actual hardware.
Task: Display information about IPMI Device

# dmidecode –type 38

You need to pass dmidecode following keywords:

* bios
* system
* baseboard
* chassis
* processor
* memory
* cache
* connector
* slot

All DMI types you need to use with dmidecode –type {Number}:
# 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

How to get detailed information about my Linux server hardware information?

A. You need to use tool called lshw to extract detailed information on the hardware configuration of the machine. It can report exact memory configuration, firmware version, main board configuration, CPU version and speed, cache configuration, bus speed, etc. on DMI-capable x86 or IA-64 systems and on some PowerPC machines.

It currently supports DMI (x86 and IA-64 only), OpenFirmware device tree (PowerPC only), PCI/AGP, CPUID (x86), IDE/ATA/ATAPI, PCMCIA (only tested on x86), SCSI and USB.

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