dmidecode - best usages [updated]

Check Hyper-threading (Virtualization) Enabled or not
# dmidecode -t processor | grep HTT
                HTT (Multi-threading)
                HTT (Multi-threading)


Check CPU/CORE info
# dmidecode -t 4 | egrep CPU
        Version:  Intel(R) Xeon(R) CPU E7- 4830 @ 2.13GHz
        Version:  Intel(R) Xeon(R) CPU E7- 4830 @ 2.13GHz


System Details

# dmidecode -s system-serial-number
GB8114HRCS


# dmidecode -t system
# dmidecode 2.11
SMBIOS 2.6 present.

Handle 0x0100, DMI type 1, 27 bytes
System Information
        Manufacturer: HP
        Product Name: ProLiant DL580 G7
        Version: Not Specified
        Serial Number: GB8114HRCS
        UUID: 38383835-3735-4247-3831-313448524353
        Wake-up Type: Power Switch
        SKU Number: 588857-B21
        Family: ProLiant

Handle 0x2000, DMI type 32, 11 bytes
System Boot Information
        Status: No errors detected


See Memory Details
dmidecode --type memory
# dmidecode 2.7
SMBIOS 2.5 present.

Handle 0x0050, DMI type 16, 15 bytes.
Physical Memory Array
        Location: System Board Or Motherboard
        Use: System Memory
        Error Correction Type: Multi-bit ECC
        Maximum Capacity: 32 GB
        Error Information Handle: Not Provided
        Number Of Devices: 4

Handle 0x0051, DMI type 16, 15 bytes.
Physical Memory Array
        Location: System Board Or Motherboard
        Use: System Memory
        Error Correction Type: Multi-bit ECC
        Maximum Capacity: 32 GB
        Error Information Handle: Not Provided
        Number Of Devices: 4

Handle 0x0052, DMI type 16, 15 bytes.
Physical Memory Array
        Location: System Board Or Motherboard
        Use: Flash Memory
        Error Correction Type: None
        Maximum Capacity: 1 MB
        Error Information Handle: Not Provided
        Number Of Devices: 1

Handle 0x0053, DMI type 17, 27 bytes.
Memory Device
        Array Handle: 0x0050
        Error Information Handle: Not Provided
        Total Width: 72 bits
        Data Width: 64 bits
        Size: 2048 MB
        Form Factor: DIMM
        Set: 1
        Locator: DIMM3b
        Bank Locator: Not Specified
        Type: DDR2
        Type Detail: Synchronous
#continues.....




#dmidecode|grep CPU
                ACPI is supported
                ACPI (ACPI supported)
        Version: Intel(R) Xeon(R) CPU E7520 @ 1.87GHz
                ACPI (ACPI supported)
        Version: Intel(R) Xeon(R) CPU E7520 @ 1.87GHz
                ACPI (ACPI supported)
        Version: Intel(R) Xeon(R) CPU E7520 @ 1.87GHz
                ACPI (ACPI supported)
        Version: Intel(R) Xeon(R) CPU E7520 @ 1.87GHz
                CPU Board PAL
 


Understanding BIOS keywords

dmidecode --type {KEYWORD / Number }
 
# TypeShort Description
0BIOS
1System
2Base Board
3Chassis
4Processor
5Memory Controller
6Memory Module
7Cache
8Port Connector
9System Slots
10On Board Devices
11OEM Strings
12System Configuration Options
13BIOS Language
14Group Associations
15System Event Log
16Physical Memory Array
17Memory Device
1832-bit Memory Error
19Memory Array Mapped Address
20Memory Device Mapped Address
21Built-in Pointing Device
22Portable Battery
23System Reset
24Hardware Security
25System Power Controls
26Voltage Probe
27Cooling Device
28Temperature Probe
29Electrical Current Probe
30Out-of-band Remote Access
31Boot Integrity Services
32System Boot
3364-bit Memory Error
34Management Device
35Management Device Component
36Management Device Threshold Data
37Memory Channel
38IPMI Device
39Power Supply
 
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