dmidecode查看硬件信息

dmidecode 用于查看和硬件相关的信息，可以查询到BIOS，系统，主板，处理器，内存，缓存等信息
常用的命令有：

dmidecode |  grep 'Product Name'             //查看服务器型号
dmidecode |  grep  'Serial Number'           //查看主板序列号
dmidecode  -s system-serial-number           //查看系统系列号
dmidecode  -t  memory                        //查看内存信息
dmidecode  -t  11                            //查看OEM信息
dmidecode   |  grep  -A16  "Memory  Device"  |  grep "Size" | sed 's/^[\t]*//'  //现有内存数量和内存大小
dmidecode   |  grep  ''Maximum Capacity"  | sed "s/^[\t]*//"        //最大支持内存容量

wu@wu:pmon3.3$ sudo dmidecode
# dmidecode 3.1
Getting SMBIOS data from sysfs.
SMBIOS 2.7 present.
77 structures occupying 3491 bytes.
Table at 0x000EC380.
Handle 0xDA00, DMI type 218, 251 bytes
OEM-specific TypeHeader and Data:DA FB 00 DA B2 00 37 4F 1E 36 00 05 00 05 00 0300 06 00 06 00 05 00 0F 00 0F 00 00 00 11 00 1100 02 00 12 00 12 00 04 00 22 00 22 00 01 00 2300 23 00 00 00 28 00 28 00 00 00 29 00 29 00 0100 2A 00 2A 00 02 00 2B 00 2B 00 FF FF 2C 00 2C00 FF FF 2D 00 2D 00 02 00 2E 00 2E 00 00 00 4000 40 00 01 00 41 00 41 00 00 00 42 00 42 00 0100 43 00 43 00 00 00 55 00 55 00 00 00 5C 00 5C00 01 00 5D 00 5D 00 00 00 6D 00 6D 00 05 00 6E00 6E 00 01 00 90 00 90 00 01 00 91 00 91 00 0000 92 00 92 00 02 00 93 00 93 00 01 00 94 00 9400 00 00 9B 00 9B 00 01 00 9D 00 9D 00 01 00 9E00 9E 00 00 00 9F 00 9F 00 00 00 A0 00 A0 00 0100 A1 00 A1 00 00 00 A2 00 A2 00 02 00 A3 00 A300 01 00 ED 00 ED 00 00 00 F0 00 F0 00 01 00 F500 F5 00 04 00 FF FF FF FF 00 00
Handle 0xDA01, DMI type 218, 251 bytes
OEM-specific TypeHeader and Data:DA FB 01 DA B2 00 37 4F 1E 36 00 F6 00 F6 00 0000 09 01 09 01 00 00 17 01 17 01 00 00 18 01 1801 01 00 19 01 19 01 00 00 1A 01 1A 01 01 00 1B01 1B 01 00 00 1C 01 1C 01 01 00 2B 01 2B 01 0100 2C 01 2C 01 00 00 2D 01 2D 01 01 00 2E 01 2E01 00 00 35 01 35 01 FF 00 37 01 37 01 00 00 3801 38 01 01 00 40 01 40 01 00 00 41 01 41 01 0100 46 01 46 01 00 00 47 01 47 01 01 00 4A 01 4A01 00 00 4B 01 4B 01 01 00 4E 01 4E 01 00 00 4F01 4F 01 01 00 54 01 54 01 00 00 55 01 55 01 0100 68 01 68 01 00 00 69 01 69 01 01 00 75 01 7501 02 00 76 01 76 01 01 00 9B 01 9B 01 00 00 9C01 9C 01 01 00 D4 01 D4 01 00 00 D5 01 D5 01 0100 E0 01 E0 01 05 00 EA 01 EA 01 00 00 EB 01 EB01 01 00 2D 02 2D 02 01 00 2E 02 2E 02 00 00 3102 31 02 04 00 FF FF FF FF 00 00
Handle 0xDA02, DMI type 218, 251 bytes
OEM-specific TypeHeader and Data:DA FB 02 DA B2 00 37 4F 1E 36 00 32 02 32 02 0200 33 02 33 02 01 00 4B 02 4B 02 01 00 4C 02 4C02 00 00 5B 02 5B 02 00 00 5C 02 5C 02 01 00 6202 62 02 01 00 63 02 63 02 00 00 64 02 64 02 0100 65 02 65 02 00 00 66 02 66 02 01 00 67 02 6702 00 00 68 02 68 02 01 00 69 02 69 02 00 00 6C02 6C 02 01 00 6D 02 6D 02 00 00 6E 02 6E 02 0000 A3 02 A3 02 01 00 A4 02 A4 02 00 00 A7 02 A702 01 00 A8 02 A8 02 00 00 BD 02 BD 02 01 00 BE02 BE 02 00 00 CD 02 CD 02 01 00 D8 02 D8 02 FFFF D9 02 D9 02 FF FF DA 02 DA 02 FF FF DB 02 DB02 FF FF DC 02 DC 02 FF FF DD 02 DD 02 FF FF DE02 DE 02 FF FF DF 02 DF 02 FF FF E3 02 E3 02 0100 E4 02 E4 02 00 00 E5 02 E5 02 01 00 FD 02 FD02 01 00 FE 02 FE 02 00 00 0F 03 0F 03 02 00 1203 12 03 03 00 FF FF FF FF 00 00
Handle 0xDA03, DMI type 218, 251 bytes
OEM-specific TypeHeader and Data:DA FB 03 DA B2 00 37 4F 1E 36 00 13 03 13 03 0100 14 03 14 03 00 00 15 03 15 03 01 00 16 03 1603 00 00 17 03 17 03 01 00 18 03 18 03 00 00 1903 19 03 01 00 1A 03 1A 03 00 00 1B 03 1B 03 0100 1C 03 1C 03 00 00 1D 03 1D 03 01 00 1E 03 1E03 00 00 1F 03 1F 03 01 00 20 03 20 03 00 00 2503 25 03 01 00 26 03 26 03 01 00 3A 03 3A 03 0100 3B 03 3B 03 00 00 4F 03 4F 03 01 00 57 03 5703 00 00 58 03 58 03 01 00 5B 03 5B 03 01 00 5C03 5C 03 00 00 5D 03 5D 03 01 00 5E 03 5E 03 0000 5F 03 5F 03 01 00 60 03 60 03 00 00 61 03 6103 01 00 62 03 62 03 00 00 6F 03 6F 03 FF FF 8303 83 03 07 00 C9 03 C9 03 01 00 CA 03 CA 03 0000 98 04 98 04 FF FF 3E 40 3E 40 00 00 3F 40 3F40 01 00 00 80 00 80 00 00 02 80 02 80 02 00 0380 03 80 03 00 FF FF FF FF 00 00
Handle 0xDA04, DMI type 218, 59 bytes
OEM-specific TypeHeader and Data:DA 3B 04 DA B2 00 37 4F 1E 36 00 0D 80 0D 80 0000 00 A0 00 A0 01 00 04 A0 04 A0 01 00 00 F0 00F0 55 00 02 F0 02 F0 03 00 05 F0 05 F0 7F 00 06F0 06 F0 00 00 FF FF FF FF 00 00
Handle 0x0000, DMI type 0, 24 bytes
BIOS InformationVendor: Dell Inc.Version: A15Release Date: 02/15/2017Address: 0xF0000Runtime Size: 64 kBROM Size: 8192 kBCharacteristics:PCI is supportedPNP is supportedBIOS is upgradeableBIOS shadowing is allowedBoot from CD is supportedSelectable boot is supportedBIOS ROM is socketedEDD is supported5.25"/1.2 MB floppy services are supported (int 13h)3.5"/720 kB floppy services are supported (int 13h)3.5"/2.88 MB floppy services are supported (int 13h)Print screen service is supported (int 5h)8042 keyboard services are supported (int 9h)Serial services are supported (int 14h)Printer services are supported (int 17h)ACPI is supportedUSB legacy is supportedBIOS boot specification is supportedFunction key-initiated network boot is supportedTargeted content distribution is supportedUEFI is supportedBIOS Revision: 65.15
Handle 0x0001, DMI type 1, 27 bytes
System InformationManufacturer: Dell Inc.Product Name: OptiPlex 3020Version: 00Serial Number: 7SYNN62UUID: 4C4C4544-0053-5910-804E-B7C04F4E3632Wake-up Type: Power SwitchSKU Number: 0612Family: Not SpecifiedHandle 0x0002, DMI type 2, 15 bytes
Base Board InformationManufacturer: Dell Inc.Product Name: 0WMJ54Version: A01Serial Number: /7SYNN62/CN7016356M07I8/Asset Tag: Not SpecifiedFeatures:Board is a hosting boardBoard is replaceableLocation In Chassis: Not SpecifiedChassis Handle: 0x0003Type: MotherboardContained Object Handles: 0Handle 0x0003, DMI type 3, 22 bytes
Chassis InformationManufacturer: Dell Inc.Type: Space-savingLock: Not PresentVersion: Not SpecifiedSerial Number: 7SYNN62Asset Tag: Not SpecifiedBoot-up State: SafePower Supply State: SafeThermal State: SafeSecurity Status: NoneOEM Information: 0x00000000Height: UnspecifiedNumber Of Power Cords: 1Contained Elements: 0SKU Number: To be filled by O.E.M.Handle 0x0033, DMI type 4, 42 bytes
Processor InformationSocket Designation: SOCKET 0Type: Central ProcessorFamily: Core i5Manufacturer: IntelID: C3 06 03 00 FF FB EB BFSignature: Type 0, Family 6, Model 60, Stepping 3Flags: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) i5-4590 CPU @ 3.30GHzVoltage: 1.2 VExternal Clock: 100 MHzMax Speed: 3800 MHzCurrent Speed: 3300 MHzStatus: Populated, EnabledUpgrade: Socket BGA1155L1 Cache Handle: 0x0034L2 Cache Handle: 0x0035L3 Cache Handle: 0x0036Serial Number: Not SpecifiedAsset Tag: Fill By OEMPart Number: Fill By OEMCore Count: 4Core Enabled: 4Thread Count: 4Characteristics:64-bit capableHandle 0x0034, DMI type 7, 19 bytes
Cache InformationSocket Designation: CPU Internal L1Configuration: Enabled, Not Socketed, Level 1Operational Mode: Write BackLocation: InternalInstalled Size: 256 kBMaximum Size: 256 kBSupported SRAM Types:UnknownInstalled SRAM Type: UnknownSpeed: UnknownError Correction Type: Single-bit ECCSystem Type: OtherAssociativity: 8-way Set-associativeHandle 0x0035, DMI type 7, 19 bytes
Cache InformationSocket Designation: CPU Internal L2Configuration: Enabled, Not Socketed, Level 2Operational Mode: Write BackLocation: InternalInstalled Size: 1024 kBMaximum Size: 1024 kBSupported SRAM Types:UnknownInstalled SRAM Type: UnknownSpeed: UnknownError Correction Type: Single-bit ECCSystem Type: UnifiedAssociativity: 8-way Set-associativeHandle 0x0036, DMI type 7, 19 bytes
Cache InformationSocket Designation: CPU Internal L3Configuration: Enabled, Not Socketed, Level 3Operational Mode: Write BackLocation: InternalInstalled Size: 6144 kBMaximum Size: 6144 kBSupported SRAM Types:UnknownInstalled SRAM Type: UnknownSpeed: UnknownError Correction Type: Single-bit ECCSystem Type: UnifiedAssociativity: 12-way Set-associativeHandle 0x0004, DMI type 8, 9 bytes
Port Connector InformationInternal Reference Designator: J2A1Internal Connector Type: NoneExternal Reference Designator: LANExternal Connector Type: RJ-45Port Type: Network PortHandle 0x0005, DMI type 8, 9 bytes
Port Connector InformationInternal Reference Designator: J2A1Internal Connector Type: NoneExternal Reference Designator: USB1External Connector Type: Access Bus (USB)Port Type: USBHandle 0x0006, DMI type 8, 9 bytes
Port Connector InformationInternal Reference Designator: J2A1Internal Connector Type: NoneExternal Reference Designator: USB2External Connector Type: Access Bus (USB)Port Type: USBHandle 0x0007, DMI type 8, 9 bytes
Port Connector InformationInternal Reference Designator: J5A1Internal Connector Type: NoneExternal Reference Designator: USB3External Connector Type: Access Bus (USB)Port Type: USBHandle 0x0008, DMI type 8, 9 bytes
Port Connector InformationInternal Reference Designator: J5A1Internal Connector Type: NoneExternal Reference Designator: USB4External Connector Type: Access Bus (USB)Port Type: USBHandle 0x0009, DMI type 8, 9 bytes
Port Connector InformationInternal Reference Designator: J5A1Internal Connector Type: NoneExternal Reference Designator: USB5External Connector Type: Access Bus (USB)Port Type: USBHandle 0x000A, DMI type 8, 9 bytes
Port Connector InformationInternal Reference Designator: J5A1Internal Connector Type: NoneExternal Reference Designator: USB6External Connector Type: Access Bus (USB)Port Type: USBHandle 0x000B, DMI type 8, 9 bytes
Port Connector InformationInternal Reference Designator: J7A1Internal Connector Type: NoneExternal Reference Designator: Audio JackExternal Connector Type: OtherPort Type: Audio PortHandle 0x000C, DMI type 8, 9 bytes
Port Connector InformationInternal Reference Designator: J6A2BInternal Connector Type: NoneExternal Reference Designator: VideoExternal Connector Type: DB-15 femalePort Type: Video PortHandle 0x000D, DMI type 8, 9 bytes
Port Connector InformationInternal Reference Designator: J1A1Internal Connector Type: NoneExternal Reference Designator: MouseExternal Connector Type: PS/2Port Type: Mouse PortHandle 0x000E, DMI type 8, 9 bytes
Port Connector InformationInternal Reference Designator: J1A1Internal Connector Type: NoneExternal Reference Designator: KeyboardExternal Connector Type: PS/2Port Type: Keyboard PortHandle 0x000F, DMI type 8, 9 bytes
Port Connector InformationInternal Reference Designator: J6A2AInternal Connector Type: NoneExternal Reference Designator: COM AExternal Connector Type: DB-9 malePort Type: Serial Port 16550A CompatibleHandle 0x0010, DMI type 8, 9 bytes
Port Connector InformationInternal Reference Designator: J8A1Internal Connector Type: NoneExternal Reference Designator: USB7External Connector Type: Access Bus (USB)Port Type: USBHandle 0x0011, DMI type 8, 9 bytes
Port Connector InformationInternal Reference Designator: J8A1Internal Connector Type: NoneExternal Reference Designator: USB8External Connector Type: Access Bus (USB)Port Type: USBHandle 0x0012, DMI type 8, 9 bytes
Port Connector InformationInternal Reference Designator: J2A1Internal Connector Type: NoneExternal Reference Designator: Display Port1External Connector Type: OtherPort Type: Video PortHandle 0x0013, DMI type 8, 9 bytes
Port Connector InformationInternal Reference Designator: J2B3 - CPU FANInternal Connector Type: OtherExternal Reference Designator: Not SpecifiedExternal Connector Type: NonePort Type: OtherHandle 0x0014, DMI type 8, 9 bytes
Port Connector InformationInternal Reference Designator: J8J1 - SATA PORT0Internal Connector Type: OtherExternal Reference Designator: Not SpecifiedExternal Connector Type: NonePort Type: OtherHandle 0x0015, DMI type 8, 9 bytes
Port Connector InformationInternal Reference Designator: J7J3 - SATA PORT1Internal Connector Type: OtherExternal Reference Designator: Not SpecifiedExternal Connector Type: NonePort Type: OtherHandle 0x0016, DMI type 8, 9 bytes
Port Connector InformationInternal Reference Designator: J1D1 - INTRUDERInternal Connector Type: OtherExternal Reference Designator: Not SpecifiedExternal Connector Type: NonePort Type: OtherHandle 0x0017, DMI type 8, 9 bytes
Port Connector InformationInternal Reference Designator: J2D4 - SYSTEM FANInternal Connector Type: OtherExternal Reference Designator: Not SpecifiedExternal Connector Type: NonePort Type: OtherHandle 0x001A, DMI type 9, 17 bytes
System Slot InformationDesignation: J6B2X16Type: 32-bit PCI Express x1Current Usage: AvailableLength: ShortID: 1Characteristics:3.3 V is providedOpening is sharedPME signal is supportedBus Address: 0000:00:01.0Handle 0xDED2, DMI type 9, 17 bytes
System Slot InformationDesignation: J6B1X16Type: 32-bit PCI Express x16Current Usage: AvailableLength: LongID: 2Characteristics:3.3 V is providedOpening is sharedPME signal is supportedBus Address: 0000:00:1c.2Handle 0x001B, DMI type 10, 6 bytes
On Board Device InformationType: VideoStatus: EnabledDescription: "Intel HD Graphics"Handle 0x001C, DMI type 10, 6 bytes
On Board Device InformationType: EthernetStatus: EnabledDescription: "Realtek Gigabit Ethernet Controller"Handle 0x001D, DMI type 10, 6 bytes
On Board Device InformationType: SoundStatus: EnabledDescription: "High Definition Audio Controller"Handle 0x001E, DMI type 11, 5 bytes
OEM StringsString 1: Dell SystemString 2: 1[0612]String 3: 3[1.0]String 4: 12[www.dell.com]String 5: 14[1]String 6: 15[3]String 7:  Handle 0x001F, DMI type 12, 5 bytes
System Configuration OptionsOption 1: To Be Filled By O.E.M.Handle 0xDED7, DMI type 13, 22 bytes
BIOS Language InformationLanguage Description Format: LongInstallable Languages: 1en|US|iso8859-1Currently Installed Language: en|US|iso8859-1Handle 0x0020, DMI type 15, 35 bytes
System Event LogArea Length: 4 bytesHeader Start Offset: 0x0000Header Length: 2 bytesData Start Offset: 0x0002Access Method: Indexed I/O, one 16-bit index port, one 8-bit data portAccess Address: Index 0x046A, Data 0x046CStatus: Invalid, Not FullChange Token: 0x00000000Header Format: No HeaderSupported Log Type Descriptors: 6Descriptor 1: End of logData Format 1: OEM-specificDescriptor 2: End of logData Format 2: OEM-specificDescriptor 3: End of logData Format 3: OEM-specificDescriptor 4: End of logData Format 4: OEM-specificDescriptor 5: End of logData Format 5: OEM-specificDescriptor 6: End of logData Format 6: OEM-specificHandle 0x0037, DMI type 16, 23 bytes
Physical Memory ArrayLocation: System Board Or MotherboardUse: System MemoryError Correction Type: NoneMaximum Capacity: 16 GBError Information Handle: Not ProvidedNumber Of Devices: 2Handle 0x0038, DMI type 17, 34 bytes
Memory DeviceArray Handle: 0x0037Error Information Handle: Not ProvidedTotal Width: 64 bitsData Width: 64 bitsSize: 8192 MBForm Factor: DIMMSet: NoneLocator: DIMM1Bank Locator: Not SpecifiedType: DDR3Type Detail: SynchronousSpeed: 1600 MT/sManufacturer: KingstonSerial Number: 0660AA004096Asset Tag: 05164400Part Number: 99P5471-048.A00LF Rank: 2Configured Clock Speed: 1600 MT/sHandle 0x003A, DMI type 17, 34 bytes
Memory DeviceArray Handle: 0x0037Error Information Handle: Not ProvidedTotal Width: 64 bitsData Width: 64 bitsSize: 8192 MBForm Factor: DIMMSet: NoneLocator: DIMM2Bank Locator: Not SpecifiedType: DDR3Type Detail: SynchronousSpeed: 1600 MT/sManufacturer: KingstonSerial Number: 0540ED00308FAsset Tag: 05164400Part Number: 99P5471-048.A00LF Rank: 2Configured Clock Speed: 1600 MT/sHandle 0x003C, DMI type 19, 31 bytes
Memory Array Mapped AddressStarting Address: 0x00000000000Ending Address: 0x003FFFFFFFFRange Size: 16 GBPhysical Array Handle: 0x0037Partition Width: 2Handle 0x0039, DMI type 20, 19 bytes
Memory Device Mapped AddressStarting Address: 0x00000000000Ending Address: 0x001FFFFFFFFRange Size: 8 GBPhysical Device Handle: 0x0038Memory Array Mapped Address Handle: 0x003CPartition Row Position: 1Interleave Position: 1Interleaved Data Depth: 1Handle 0x003B, DMI type 20, 19 bytes
Memory Device Mapped AddressStarting Address: 0x00200000000Ending Address: 0x003FFFFFFFFRange Size: 8 GBPhysical Device Handle: 0x003AMemory Array Mapped Address Handle: 0x003CPartition Row Position: 1Interleave Position: 2Interleaved Data Depth: 1Handle 0x0021, DMI type 24, 5 bytes
Hardware SecurityPower-On Password Status: DisabledKeyboard Password Status: DisabledAdministrator Password Status: DisabledFront Panel Reset Status: DisabledHandle 0x0022, DMI type 25, 9 bytesSystem Power ControlsNext Scheduled Power-on: *-* 00:00:00Handle 0x0025, DMI type 26, 22 bytes
Voltage ProbeDescription: LM78ALocation: <OUT OF SPEC>Status: <OUT OF SPEC>Maximum Value: UnknownMinimum Value: UnknownResolution: UnknownTolerance: UnknownAccuracy: UnknownOEM-specific Information: 0x00000000Nominal Value: UnknownHandle 0x1B00, DMI type 27, 15 bytes
Cooling DeviceType: Chip FanStatus: UnknownOEM-specific Information: 0x0000DD00Nominal Speed: Unknown Or Non-rotatingDescription: CPU Cooling Fan                   Handle 0x1B01, DMI type 27, 15 bytes
Cooling DeviceTemperature Probe Handle: 0x1C00Type: Cabinet FanStatus: UnknownOEM-specific Information: 0x00000000Nominal Speed: Unknown Or Non-rotatingDescription: Mother Board Cooling Fan          Handle 0x1C00, DMI type 28, 22 bytes
Temperature ProbeDescription: Ambient Thermal Sensor            Location: MotherboardStatus: UnknownMaximum Value: 127.0 deg CMinimum Value: -127.0 deg CResolution: 1.000 deg CTolerance: UnknownAccuracy: UnknownOEM-specific Information: 0x00000000Nominal Value: UnknownHandle 0x0023, DMI type 32, 20 bytes
System Boot InformationStatus: No errors detectedHandle 0x0024, DMI type 34, 11 bytes
Management DeviceDescription: LM78-1Type: LM78Address: 0x00000000Address Type: I/O PortHandle 0x0026, DMI type 36, 16 bytes
Management Device Threshold DataLower Non-critical Threshold: 1Upper Non-critical Threshold: 2Lower Critical Threshold: 3Upper Critical Threshold: 4Lower Non-recoverable Threshold: 5Upper Non-recoverable Threshold: 6Handle 0x0028, DMI type 36, 16 bytes
Management Device Threshold DataLower Non-critical Threshold: 1Upper Non-critical Threshold: 2Lower Critical Threshold: 3Upper Critical Threshold: 4Lower Non-recoverable Threshold: 5Upper Non-recoverable Threshold: 6Handle 0x002A, DMI type 36, 16 bytes
Management Device Threshold DataLower Non-critical Threshold: 1Upper Non-critical Threshold: 2Lower Critical Threshold: 3Upper Critical Threshold: 4Lower Non-recoverable Threshold: 5Upper Non-recoverable Threshold: 6Handle 0x002C, DMI type 36, 16 bytes
Management Device Threshold DataLower Non-critical Threshold: 1Upper Non-critical Threshold: 2,Lower Critical Threshold: 3Upper Critical Threshold: 4Lower Non-recoverable Threshold: 5Upper Non-recoverable Threshold: 6Handle 0x002D, DMI type 41, 11 bytes
Onboard DeviceReference Designation:  Onboard IGDType: VideoStatus: EnabledType Instance: 1Bus Address: 0000:00:02.0Handle 0x002E, DMI type 41, 11 bytes
Onboard DeviceReference Designation:  Onboard LANType: EthernetStatus: EnabledType Instance: 1Bus Address: 0000:00:19.0Handle 0x002F, DMI type 41, 11 bytes
Onboard DeviceReference Designation:  Onboard 1394Type: OtherStatus: EnabledType Instance: 1Bus Address: 0000:03:1c.2Handle 0xDECD, DMI type 131, 64 bytes
OEM-specific TypeHeader and Data:83 40 CD DE 35 00 00 00 00 00 00 00 00 00 00 00F8 00 5C 8C 00 00 00 00 01 00 00 00 01 00 09 00F0 03 1E 00 00 00 00 00 C8 00 FF FF 00 00 00 0000 00 00 00 26 00 00 00 76 50 72 6F 00 00 00 00Handle 0xDEC8, DMI type 136, 6 bytes
OEM-specific TypeHeader and Data:88 06 C8 DE 5A 5AHandle 0xB100, DMI type 177, 12 bytes
OEM-specific TypeHeader and Data:B1 0C 00 B1 02 00 00 00 00 00 00 00Handle 0xB200, DMI type 178, 76 bytes
OEM-specific TypeHeader and Data:B2 4C 00 B2 07 01 0C 00 08 01 0A 00 09 01 0B 000A 01 12 00 3B 00 20 00 42 00 18 00 48 00 14 0050 00 13 00 10 00 FF 00 11 00 FF 00 12 00 FF 0013 00 FF 00 14 00 FF 00 1E 00 FF 00 1F 00 FF 0020 00 FF 00 21 00 FF 00 22 00 FF 00Strings:Handle 0xD000, DMI type 208, 16 bytes
OEM-specific TypeHeader and Data:D0 10 00 D0 02 05 FE 00 12 06 01 02 00 00 00 00Strings:2015072120150721Handle 0xD200, DMI type 210, 12 bytes
OEM-specific TypeHeader and Data:D2 0C 00 D2 00 00 00 03 06 80 04 03Handle 0xD800, DMI type 216, 9 bytes
OEM-specific TypeHeader and Data:D8 09 00 D8 01 02 01 10 01Strings:"Intel Corp.""1025"Handle 0xD900, DMI type 217, 8 bytes
OEM-specific TypeHeader and Data:D9 08 00 D9 01 02 01 03Strings:US-101ProprietaryHandle 0xDC00, DMI type 220, 20 bytes
OEM-specific TypeHeader and Data:DC 14 00 DC 10 F0 00 00 00 00 00 00 00 00 00 0000 00 00 00Handle 0xDD00, DMI type 221, 19 bytes
OEM-specific TypeHeader and Data:DD 13 00 DD 00 01 00 00 F5 00 00 00 00 00 00 0000 00 00Handle 0xDD01, DMI type 221, 19 bytes
OEM-specific TypeHeader and Data:DD 13 01 DD 00 01 00 10 F5 00 00 00 00 00 00 0000 00 00Handle 0xDE00, DMI type 222, 16 bytes
OEM-specific TypeHeader and Data:DE 10 00 DE 01 04 00 00 17 03 30 07 55 01 00 00Handle 0x0032, DMI type 255, 8 bytes
OEM-specific TypeHeader and Data:FF 08 32 00 01 02 00 00Strings:dellDelldellDELL0612_SIDAvf90w7wKZiZDELLHandle 0xDEDC, DMI type 127, 4 bytes
End Of Tablewu@wu:pmon3.3$ sudo dmidecode --help
Usage: dmidecode [OPTIONS]
Options are:-d, --dev-mem FILE     Read memory from device FILE (default: /dev/mem)-h, --help             Display this help text and exit-q, --quiet            Less verbose output-s, --string KEYWORD   Only display the value of the given DMI string-t, --type TYPE        Only display the entries of given type-u, --dump             Do not decode the entries--dump-bin FILE    Dump the DMI data to a binary file--from-dump FILE   Read the DMI data from a binary file--no-sysfs         Do not attempt to read DMI data from sysfs files--oem-string N     Only display the value of the given OEM string-V, --version          Display the version and exit
wu@wu:pmon3.3$ sudo dmidecode -t system
# dmidecode 3.1
Getting SMBIOS data from sysfs.
SMBIOS 2.7 present.Handle 0x0001, DMI type 1, 27 bytes
System InformationManufacturer: Dell Inc.Product Name: OptiPlex 3020Version: 00Serial Number: 7SYNN62UUID: 4C4C4544-0053-5910-804E-B7C04F4E3632Wake-up Type: Power SwitchSKU Number: 0612Family: Not SpecifiedHandle 0x001F, DMI type 12, 5 bytes
System Configuration OptionsOption 1: To Be Filled By O.E.M.Handle 0x0020, DMI type 15, 35 bytes
System Event LogArea Length: 4 bytesHeader Start Offset: 0x0000Header Length: 2 bytesData Start Offset: 0x0002Access Method: Indexed I/O, one 16-bit index port, one 8-bit data portAccess Address: Index 0x046A, Data 0x046CStatus: Invalid, Not FullChange Token: 0x00000000Header Format: No HeaderSupported Log Type Descriptors: 6Descriptor 1: End of logData Format 1: OEM-specificDescriptor 2: End of logData Format 2: OEM-specificDescriptor 3: End of logData Format 3: OEM-specificDescriptor 4: End of logData Format 4: OEM-specificDescriptor 5: End of logData Format 5: OEM-specificDescriptor 6: End of logData Format 6: OEM-specificHandle 0x0023, DMI type 32, 20 bytes
System Boot InformationStatus: No errors detected

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