identify Silicon Motion chipsets

Silicon Motion Inc [PCI vendor ID 126F]

dl $ info LynxEM Lynx EM SM710G AD	dl $ info Lynx3DM4 Lynx3DM4 SM721G4 B6

[0710] SM710 LynxEM (SM710G)
[0712] SM712 LynxEM+ (2D VGA only, PCI / AGPx1, 2MB frame buffer, TwinView)
[0720] SM720 Lynx3DM ('Cougar3DM', AGPx4, TripleView, 200MHz RAMDAC)
SM721 Lynx3DM4
[0810] SM810 LynxE
[0811] SM811 LynxE
[0820] SM820 Lynx3D
[0910] SM910