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