linux之查看硬件信息

1.查看内存型号信息

sudo dmidecode -t memory    

sudo dmidecode -t memory
# dmidecode 2.12
SMBIOS 2.7 present.

Handle 0x0005, DMI type 16, 23 bytes
Physical Memory Array
	Location: System Board Or Motherboard
	Use: System Memory
	Error Correction Type: None
	Maximum Capacity: 16 GB
	Error Information Handle: Not Provided
	Number Of Devices: 2

Handle 0x0006, DMI type 17, 34 bytes
Memory Device
	Array Handle: 0x0005
	Error Information Handle: Not Provided
	Total Width: 64 bits
	Data Width: 64 bits
	Size: 4096 MB
	Form Factor: SODIMM
	Set: None
	Locator: ChannelA-DIMM0
	Bank Locator: BANK 0
	Type: DDR3
	Type Detail: Synchronous
	Speed: 1600 MHz
	Manufacturer: Samsung
	Serial Number: 94EBA406
	Asset Tag: None
	Part Number: M471B5173QH0-YK0  
	Rank: Unknown
	Configured Clock Speed: 1600 MHz

Handle 0x0007, DMI type 17, 34 bytes
Memory Device
	Array Handle: 0x0005
	Error Information Handle: Not Provided
	Total Width: 64 bits
	Data Width: 64 bits
	Size: 4096 MB
	Form Factor: SODIMM
	Set: None
	Locator: ChannelB-DIMM0
	Bank Locator: BANK 2
	Type: DDR3
	Type Detail: Synchronous
	Speed: 1600 MHz
	Manufacturer: Samsung
	Serial Number: 2345750E
	Asset Tag: None
	Part Number: M471B5273DH0-YK0  
	Rank: Unknown
	Configured Clock Speed: 1600 MHz

　　

2.查看硬盘型号信息

sudo hdparm -I /dev/sda

 sudo hdparm -I /dev/sda

/dev/sda:

ATA device, with non-removable media
	Model Number:       ST500LM021-1KJ152                       
	Serial Number:      W6230DSH
	Firmware Revision:  0002LIM1
	Transport:          Serial, ATA8-AST, SATA 1.0a, SATA II Extensions, SATA Rev 2.5, SATA Rev 2.6, SATA Rev 3.0
Standards:
	Used: unknown (minor revision code 0x0029) 
	Supported: 8 7 6 5 
	Likely used: 8
Configuration:
	Logical		max	current
	cylinders	16383	16383
	heads		15	16
	sectors/track	63	63
	--
	CHS current addressable sectors:   16514064
	LBA    user addressable sectors:  268435455
	LBA48  user addressable sectors:  976773168
	Logical  Sector size:                   512 bytes
	Physical Sector size:                  4096 bytes
	Logical Sector-0 offset:                  0 bytes
	device size with M = 1024*1024:      476940 MBytes
	device size with M = 1000*1000:      500107 MBytes (500 GB)
	cache/buffer size  = unknown
	Form Factor: 2.5 inch
	Nominal Media Rotation Rate: 7200
Capabilities:
	LBA, IORDY(can be disabled)
	Queue depth: 32
	Standby timer values: spec'd by Standard, no device specific minimum
	R/W multiple sector transfer: Max = 16	Current = 16
	Advanced power management level: 128
	Recommended acoustic management value: 254, current value: 0
	DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 udma5 *udma6 
	     Cycle time: min=120ns recommended=120ns
	PIO: pio0 pio1 pio2 pio3 pio4 
	     Cycle time: no flow control=120ns  IORDY flow control=120ns
Commands/features:
	Enabled	Supported:
	   *	SMART feature set
	    	Security Mode feature set
	   *	Power Management feature set
	   *	Write cache
	   *	Look-ahead
	   *	Host Protected Area feature set
	   *	WRITE_BUFFER command
	   *	READ_BUFFER command
	   *	DOWNLOAD_MICROCODE
	   *	Advanced Power Management feature set
	    	Power-Up In Standby feature set
	   *	SET_FEATURES required to spinup after power up
	    	SET_MAX security extension
	   *	48-bit Address feature set
	   *	Device Configuration Overlay feature set
	   *	Mandatory FLUSH_CACHE
	   *	FLUSH_CACHE_EXT
	   *	SMART error logging
	   *	SMART self-test
	   *	General Purpose Logging feature set
	   *	WRITE_{DMA|MULTIPLE}_FUA_EXT
	   *	64-bit World wide name
	   *	IDLE_IMMEDIATE with UNLOAD
	   *	Write-Read-Verify feature set
	   *	WRITE_UNCORRECTABLE_EXT command
	   *	{READ,WRITE}_DMA_EXT_GPL commands
	   *	Segmented DOWNLOAD_MICROCODE
	   *	Gen1 signaling speed (1.5Gb/s)
	   *	Gen2 signaling speed (3.0Gb/s)
	   *	Gen3 signaling speed (6.0Gb/s)
	   *	Native Command Queueing (NCQ)
	   *	Host-initiated interface power management
	   *	Phy event counters
	   *	Idle-Unload when NCQ is active
	   *	READ_LOG_DMA_EXT equivalent to READ_LOG_EXT
	    	Device-initiated interface power management
	   *	Software settings preservation
	   *	SMART Command Transport (SCT) feature set
	   *	SCT Features Control (AC4)
	   *	SCT Data Tables (AC5)
	    	unknown 206[12] (vendor specific)
Security: 
	Master password revision code = 65534
		supported
	not	enabled
	not	locked
		frozen
	not	expired: security count
		supported: enhanced erase
	76min for SECURITY ERASE UNIT. 76min for ENHANCED SECURITY ERASE UNIT. 
Logical Unit WWN Device Identifier: 5000c500823f0d46
	NAA		: 5
	IEEE OUI	: 000c50
	Unique ID	: 0823f0d46
Checksum: correct

或者使用sg_vpd 命令

sudo sg_vpd /dev/sda --page=0x89
ATA information VPD page:
  SAT Vendor identification: linux   
  SAT Product identification: libata          
  SAT Product revision level: 3.00
  ATA command IDENTIFY DEVICE response summary:
    model: ST500LM021-1KJ152                       
    serial number:             W6230DSH
    firmware revision: 0002LIM1
sudo sg_vpd /dev/sda --page=0xb1
Block device characteristics VPD page (SBC):
  Nominal rotation rate: 7200 rpm
  Product type: Not specified
  WABEREQ=0
  WACEREQ=0
  Nominal form factor: 2.5 inch
  HAW_ZBC=0
  FUAB=0
  VBULS=0