  # 
  # nVidia chipsets.
  #
  # chipset driver
  CHIP_CLASS=nVidia
  CHIP_TYPE=nvriva
  # accel driver
  ACCEL_CLASS=generic
  ACCEL_TYPE=generic
  # clock chip driver
  CLK_CLASS=prog
  CLK_TYPE=nvriva
  # ramdac driver
  DAC_CLASS=nVidia
  DAC_TYPE=nvriva

  #
  # Riva 128
  #
  checksignature    30 18 "IBM VGA Compatible" && 
  checksignature    56 17 "08/26/97051562LGC" &&
  checksignature    98 36 "STB Velocity 128 (Riva 128) Ver.1.70" &&
  checksignature   136 36 "Copyright (C) 1997 STB Systems, Inc." &&
  checksignature 17589 27 "STB Velocity 128 (Riva 128)" &&
  checksignature 17622 17 "STB Systems, Inc." &&
  echo AGP STB Velocity 128 found. Configuring as Riva128. TV-out is probably missing ...&&
  break

  #
  # TNT
  #
  checksignature   114 22 "Riva TNT BIOS V2.04.4G" &&
  checksignature   245 31 "Graphics Blaster RIVA TNT (AGP)" &&
  echo Creatix Graphics blaster RIVA TNT AGP found. Configuring as Riva128. Does that work ? &&
  break

  #
  # TNT 2
  #
  checksignature   162 33 "WinFast 3D S320 II BIOS V99.04.13" &&
  echo WinFast 3D S320 II found. Configuring as Riva128. Does that work ? &&
  break
