ubuntu@ubuntu:~$ lshw -class display
WARNING: you should run this program as super-user.
  *-display:0             
       description: VGA compatible controller
       product: 82852/855GM Integrated Graphics Device
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 02
       width: 32 bits
       clock: 33MHz
       capabilities: bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:11 memory:d8000000-dfffffff(prefetchable) memory:d0000000-d007ffff ioport:2450(size=8)
  *-display:1 UNCLAIMED
       description: Display controller
       product: 82852/855GM Integrated Graphics Device
       vendor: Intel Corporation
       physical id: 2.1
       bus info: pci@0000:00:02.1
       version: 02
       width: 32 bits
       clock: 33MHz
       capabilities: cap_list
       configuration: latency=0
       resources: memory:e0000000-e7ffffff(prefetchable) memory:d0080000-d00fffff