natalie@natalie-Inspiron-1545:~$ sudo lshw -C memory
[sudo] password for natalie:
*-firmware
description: BIOS
vendor: Dell Inc.
physical id: 0
version: A06
date: 04/09/2009
size: 64KiB
capacity: 15MiB
capabilities: isa pci pcmcia pnp upgrade shadowing cdboot bootselect int13floppy720 int5printscreen int9keyboard int14serial int17printer int10video acpi usb agp smartbattery biosbootspecification netboot
*-cache:0
description: L1 cache
physical id: 700
size: 128KiB
capacity: 128KiB
capabilities: internal write-back data
*-cache:1
description: L2 cache
physical id: 701
size: 1MiB
capacity: 1MiB
clock: 66MHz (15.0ns)
capabilities: pipeline-burst internal varies unified
*-memory
description: System Memory
physical id: 1000
slot: System board or motherboard
size: 3GiB
*-bank:0
description: DIMM DDR Synchronous 800 MHz (1.2 ns)
product: M4 70T2864EH3-CF7
vendor: Samsung
physical id: 0
serial: 788A0EBD
slot: DIMM_A
size: 1GiB
width: 64 bits
clock: 800MHz (1.2ns)
*-bank:1
description: DIMM DDR Synchronous 800 MHz (1.2 ns)
product: M4 70T5663EH3-CF7
vendor: Samsung
physical id: 1
serial: 955DD347
slot: DIMM_B
size: 2GiB
width: 64 bits
clock: 800MHz (1.2ns)