Ricoh R5C554

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Ricoh R5C554

This is a Ricoh Cardbus and FireWire controller


  • CardBus Controller
    • PCI ID: 1180:0476
  • IEEE1394 (FireWire) controller
    • PCI ID: 1180:0552

CardBus Linux support

This chip emulates the older Ricoh R5C476-II for CardBus functionality.

This function is supported by recent 2.4 and 2.6 kernels

FireWire Linux support

It is supported by the standard OHCI139 driver.

ThinkPads this chip may be found in