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使用dmidecode检查常见的硬件信息
source link: https://www.lujun9972.win/blog/2018/09/27/%E4%BD%BF%E7%94%A8dmidecode%E6%A3%80%E6%9F%A5%E5%B8%B8%E8%A7%81%E7%9A%84%E7%A1%AC%E4%BB%B6%E4%BF%A1%E6%81%AF/index.html
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使用dmidecode检查常见的硬件信息
检查CPU
sudo dmidecode -t4
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 2.6 present.
Handle 0x0001, DMI type 4, 42 bytes
Processor Information
Socket Designation: CPU
Type: Central Processor
Family: Core i5
Manufacturer: Intel(R) Corporation
ID: A7 06 02 00 FF FB EB BF
Signature: Type 0, Family 6, Model 42, Stepping 7
Flags:
FPU (Floating-point unit on-chip)
VME (Virtual mode extension)
DE (Debugging extension)
PSE (Page size extension)
TSC (Time stamp counter)
MSR (Model specific registers)
PAE (Physical address extension)
MCE (Machine check exception)
CX8 (CMPXCHG8 instruction supported)
APIC (On-chip APIC hardware supported)
SEP (Fast system call)
MTRR (Memory type range registers)
PGE (Page global enable)
MCA (Machine check architecture)
CMOV (Conditional move instruction supported)
PAT (Page attribute table)
PSE-36 (36-bit page size extension)
CLFSH (CLFLUSH instruction supported)
DS (Debug store)
ACPI (ACPI supported)
MMX (MMX technology supported)
FXSR (FXSAVE and FXSTOR instructions supported)
SSE (Streaming SIMD extensions)
SSE2 (Streaming SIMD extensions 2)
SS (Self-snoop)
HTT (Multi-threading)
TM (Thermal monitor supported)
PBE (Pending break enabled)
Version: Intel(R) Core(TM) i5-2540M CPU @ 2.60GHz
Voltage: 1.2 V
External Clock: 100 MHz
Max Speed: 2600 MHz
Current Speed: 2600 MHz
Status: Populated, Enabled
Upgrade: ZIF Socket
L1 Cache Handle: 0x0002
L2 Cache Handle: 0x0003
L3 Cache Handle: 0x0004
Serial Number: Not Supported by CPU
Asset Tag: None
Part Number: None
Core Count: 2
Core Enabled: 2
Thread Count: 4
Characteristics:
64-bit capable
sudo dmidecode -t17
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 2.6 present.
Handle 0x0006, DMI type 17, 28 bytes
Memory Device
Array Handle: 0x0005
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: SODIMM
Set: None
Locator: ChannelA-DIMM0
Bank Locator: BANK 0
Type: DDR3
Type Detail: Synchronous
Speed: 1333 MT/s
Manufacturer: Hynix/Hyundai
Serial Number: 3152AA49
Asset Tag: 9876543210
Part Number: HMT325S6BFR8C-H9
Rank: Unknown
Handle 0x0007, DMI type 17, 28 bytes
Memory Device
Array Handle: 0x0005
Error Information Handle: Not Provided
Total Width: 64 bits
Data Width: 64 bits
Size: 2048 MB
Form Factor: SODIMM
Set: None
Locator: ChannelB-DIMM0
Bank Locator: BANK 2
Type: DDR3
Type Detail: Synchronous
Speed: 1333 MT/s
Manufacturer: Hynix/Hyundai
Serial Number: 0C41233F
Asset Tag: 9876543210
Part Number: HMT325S6BFR8C-H9
Rank: Unknown
sudo dmidecode -t2
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 2.6 present.
Handle 0x0011, DMI type 2, 15 bytes
Base Board Information
Manufacturer: LENOVO
Product Name: 4242NP5
Version: Not Available
Serial Number: 1ZK601BN1BU
Asset Tag: Not Available
Features:
Board is a hosting board
Board is replaceable
Location In Chassis: Not Available
Chassis Handle: 0x0000
Type: Motherboard
Contained Object Handles: 0
查看板载设备（比如板载显卡/声卡）
sudo dmidecode -t10
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 2.6 present.
Handle 0x002B, DMI type 10, 6 bytes
On Board Device Information
Type: Other
Status: Enabled
Description: IBM Embedded Security hardware
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