sudo lshw -C video
  *-display UNCLAIMED
       description: VGA compatible controller                                                                           product: Park [Mobility Radeon HD 5430/5450/5470]
       vendor: Advanced Micro Devices, Inc. [AMD/ATI]
       physical id: 0
       bus info: pci@0000:01:00.0
       version: 00
       width: 64 bits
       clock: 33MHz
       capabilities: pm pciexpress msi vga_controller bus_master cap_list
       configuration: latency=0
       resources: memory:a0000000-afffffff memory:b4000000-b401ffff ioport:3000(size=256) memory:b4040000-b405ffff