russell@russell-MS-7204:~$ sudo lshw -C memory
*-firmware
description: BIOS
vendor: Phoenix Technologies, LTD
physical id: 0
version: 6.00 PG (04/27/2006)
size: 128KiB
capacity: 448KiB
capabilities: isa pci pnp apm upgrade shadowing cdboot bootselect socketedrom edd int13floppy360 int13floppy1200 int13floppy720 int13floppy2880 int5printscreen int9keyboard int14serial int17printer int10video acpi usb ls120boot zipboot biosbootspecification
*-cache:0
description: L1 cache
physical id: a
slot: Internal Cache
size: 32KiB
capacity: 32KiB
capabilities: synchronous internal write-back
*-cache:1
description: L2 cache
physical id: b
slot: External Cache
size: 1MiB
capacity: 1MiB
capabilities: synchronous external write-back
*-memory
description: System Memory
physical id: 1a
slot: System board or motherboard
size: 2007MiB
*-bank:0
description: DIMM DDR Synchronous
product: None
vendor: None
physical id: 0
serial: None
slot: A0
size: 512MiB
width: 64 bits
*-bank:1
description: DIMM [empty]
product: None
vendor: None
physical id: 1
serial: None
slot: A1
*-bank:2
description: DIMM DDR Synchronous
product: None
vendor: None
physical id: 2
serial: None
slot: A2
size: 512MiB
width: 64 bits
*-bank:3
description: DIMM [empty]
product: None
vendor: None
physical id: 3
serial: None
slot: A3