DMIDECODE(8) System Manager's Manual DMIDECODE(8) (NAME) dmidecode - DMI (SYNOPSIS) dmidecode [] (DESCRIPTION) dmidecode DMI ( SMBIOS ) . (firmware) . . . DMI ( CPU ) . SMBIOS System Management BIOS DMI Desktop Management Interface . DMTF ( ) . dmidecode DMI . DMI sysfs sysfs . dmidecode DMI : Handle 0x0002, DMI type 2, 8 bytes. Base Board Information Manufacturer: Intel Product Name: C440GX+ Version: 727281-001 Serial Number: INCY92700942 : o (Handle). . handle (cache) . o (Type). SMBIOS . << >> (Base Board Information) . o (Size). ( handle type size) . ( ) ( ) . o (Decoded values). . . (OPTIONS) -d, --dev-mem FILE FILE (: /dev/mem) -q, --quiet (). OEM . handle . --no-quirks . . -s, --string KEYWORD DMI KEYWORD. : bios-vendor, bios-version, bios-release-date, bios-revision, firmware-revision, system-manufacturer, system-product-name, system-version, system-serial-number, system-uuid, system-sku-number, system-family, baseboard-manufacturer, baseboard-product-name, baseboard-version, baseboard-serial-number, baseboard-asset-tag, chassis-manufacturer, chassis-type, chassis-version, chassis-serial-number, chassis-asset-tag, processor-family, processor-manufacturer, processor-version, processor-frequency. "bios" ( BIOS ) "firmware" (embedded controller) . DMI . . ( processor-version ). KEYWORD dmidecode . . : sysfs /sys/devices/virtual/dmi/id. . --list-strings --string . -t, --type TYPE TYPE. DMI : bios, system, baseboard, chassis, processor, memory, cache, connector, slot. << DMI (DMI TYPES)>> . "bios" BIOS . . TYPE dmidecode . --list-types --type . -H, --handle HANDLE (handle) HANDLE . HANDLE . -u, --dump (dump) . . ASCII . . --dump-bin FILE DMI (). --from-dump . FILE . --from-dump FILE DMI --dump-bin . --no-sysfs DMI sysfs. . --oem-string N OEM N. OEM 1 . count OEM . -h, --help -V, --version --string, --type, --dump-bin --oem-string . dmidecode SMBIOS . DMI (DMI TYPES) SMBIOS DMI : Type Information -------------------------------------------- 0 Platform Firmware 1 System 2 Baseboard 3 Chassis 4 Processor 5 Memory Controller 6 Memory Module 7 Cache 8 Port Connector 9 System Slots 10 On Board Devices 11 OEM Strings 12 System Configuration Options 13 Firmware Language 14 Group Associations 15 System Event Log 16 Physical Memory Array 17 Memory Device 18 32-bit Memory Error 19 Memory Array Mapped Address 20 Memory Device Mapped Address 21 Built-in Pointing Device 22 Portable Battery 23 System Reset 24 Hardware Security 25 System Power Controls 26 Voltage Probe 27 Cooling Device 28 Temperature Probe 29 Electrical Current Probe 30 Out-of-band Remote Access 31 Boot Integrity Services 32 System Boot 33 64-bit Memory Error 34 Management Device 35 Management Device Component 36 Management Device Threshold Data 37 Memory Channel 38 IPMI Device 39 Power Supply 40 Additional Information 41 Onboard Devices Extended Information 42 Management Controller Host Interface . OEM . dmidecode . --type . : Keyword Types ------------------------------ bios 0, 13 system 1, 12, 15, 23, 32 baseboard 2, 10, 41 chassis 3 processor 4 memory 5, 6, 16, 17 cache 7 connector 8 slot 9 (case- insensitive). : o dmidecode --type 0 --type 13 o dmidecode --type 0,13 o dmidecode --type bios o dmidecode --type BIOS (BINARY DUMP FILE FORMAT) --dump-bin --from-dump : o SMBIOS DMI 0x00 . 0x20 (hard-code) . o DMI 0x20 . UUID (UUID FORMAT) SMBIOS UUID . (byte swapping) RFC 4122 . SMBIOS ( ) UUID - (little-endian ) . . UUID . SMBIOS UUID RFC 4122 ( ) SMBIOS - ( ) . . (FILES) /dev/mem /sys/firmware/dmi/tables/smbios_entry_point ( ) /sys/firmware/dmi/tables/DMI ( ) (BUGS) DMI . (AUTHORS) Alan Cox, Jean Delvare (SEE ALSO) biosdecode(8), mem(4), ownership(8), vpddecode(8) dmidecode June 2025 DMIDECODE(8)