spirosvii@spirosvii:~$ sudo dmidecode --type memory
[sudo] password for spirosvii:
# dmidecode 2.9
SMBIOS 2.4 present.
Handle 0x000D, DMI type 16, 15 bytes
Physical Memory Array
Location: System Board Or Motherboard
Use: System Memory
Error Correction Type: None
Maximum Capacity: 3 GB
Error Information Handle: Not Provided
Number Of Devices: 2
Handle 0x000E, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x000D
Error Information Handle: No Error
Total Width: 32 bits
Data Width: 32 bits
Size: 2048 MB
Form Factor: SODIMM
Set: 1
Locator: M1
Bank Locator: Bank 0
Type: DDR
Type Detail: Synchronous
Speed: Unknown
Manufacturer: Not Specified
Serial Number: Not Specified
Asset Tag: Not Specified
Part Number: Not Specified
Handle 0x000F, DMI type 17, 27 bytes
Memory Device
Array Handle: 0x000D
Error Information Handle: No Error
Total Width: Unknown
Data Width: Unknown
Size: No Module Installed
Form Factor: SODIMM
Set: 1
Locator: M2
Bank Locator: Bank 1
Type: DDR
Type Detail: Synchronous
Speed: Unknown
Manufacturer: Not Specified
Serial Number: Not Specified
Asset Tag: Not Specified
Part Number: Not Specified
spirosvii@spirosvii:~$