cat /proc/iomem
00000000-0009ffff : System RAM
000a0000-000bffff : Video RAM area
000c0000-000cbfff : Video ROM
000f0000-000fffff : System ROM
00100000-03eeffff : System RAM
  00100000-00284578 : Kernel code
  00284579-00330adf : Kernel data
03ef0000-03ef2fff : ACPI Non-volatile Storage
03ef3000-03efffff : ACPI Tables
d0000000-d3ffffff : 0000:00:02.0
d5000000-d50fffff : 0000:01:03.0
  d5000000-d50fffff : e100
d5100000-d51000ff : 0000:01:01.0
  d5100000-d51000ff : via-rhine
d5101000-d51010ff : 0000:01:02.0
  d5101000-d51010ff : 8139too
d6000000-d6000fff : 0000:01:03.0
  d6000000-d6000fff : e100
d6100000-d617ffff : 0000:00:02.0
ffb00000-ffffffff : reserved