dmidecode, mirando nuestro hardware con lupa

Con dmidecode podemos ver nuestro hardaware tal como lo ve nuestra bios.

Para ver todo nuestro hardware.

dmidecode

Para hacerlo un poco mas comodo, vamos a especificar la parte del hardware que queremos ver. Para ello consultamos esta tabla y luego indicamos el identificador.

Type   Information

          0   BIOS
          1   System
          2   Base Board
          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   BIOS 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

Por ejemplo para ver la memoria ram.

dmidecode -t 17

Yo obtuve esta salida.

# dmidecode 2.9
SMBIOS 2.5 present.

Handle 0x003C, DMI type 17, 27 bytes
Memory Device
	Array Handle: 0x003A
	Error Information Handle: Not Provided
	Total Width: 64 bits
	Data Width: 64 bits
	Size: 2048 MB
	Form Factor: DIMM
	Set: None
	Locator: DIMM0
	Bank Locator: BANK0
	Type: DDR2
	Type Detail: Synchronous
	Speed: 1066 MHz (0.9 ns)
	Manufacturer: Manufacturer0
	Serial Number: SerNum0
	Asset Tag: AssetTagNum0
	Part Number: PartNum0

Handle 0x003E, DMI type 17, 27 bytes
Memory Device
	Array Handle: 0x003A
	Error Information Handle: Not Provided
	Total Width: 64 bits
	Data Width: 64 bits
	Size: 2048 MB
	Form Factor: DIMM
	Set: None
	Locator: DIMM1
	Bank Locator: BANK1
	Type: DDR2
	Type Detail: Synchronous
	Speed: 1066 MHz (0.9 ns)
	Manufacturer: Manufacturer1
	Serial Number: SerNum1
	Asset Tag: AssetTagNum1
	Part Number: PartNum1

Handle 0x0040, DMI type 17, 27 bytes
Memory Device
	Array Handle: 0x003A
	Error Information Handle: Not Provided
	Total Width: Unknown
	Data Width: Unknown
	Size: No Module Installed
	Form Factor: DIMM
	Set: None
	Locator: DIMM2
	Bank Locator: BANK2
	Type: Unknown
	Type Detail: Unknown
	Speed: Unknown
	Manufacturer: Manufacturer2
	Serial Number: SerNum2
	Asset Tag: AssetTagNum2
	Part Number: PartNum2

Handle 0x0042, DMI type 17, 27 bytes
Memory Device
	Array Handle: 0x003A
	Error Information Handle: Not Provided
	Total Width: Unknown
	Data Width: Unknown
	Size: No Module Installed
	Form Factor: DIMM
	Set: None
	Locator: DIMM3
	Bank Locator: BANK3
	Type: Unknown
	Type Detail: Unknown
	Speed: Unknown
	Manufacturer: Manufacturer3
	Serial Number: SerNum3
	Asset Tag: AssetTagNum3
	Part Number: PartNum3

Podemos ver que tengo 4 bancos, los dos primeros estan ocupados por 2 modulos de 2 gigas de ddr2 a una velocidad de 1066 MHz y estan sincronizadas. Los otros dos bancos estan vacios.