This is a Ricoh combined Cardbus, FireWire, SD, SDIO and MMC controller.
- CardBus controller
- IEEE1394 (FireWire)
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
Not all ThinkPads with this chip have the FireWire function enabled, so if you don't have the FireWire ports, you will not see it listed in lspci either.
This function is only supported on the X41 and X41 Tablet ThinkPads. Other ThinkPads with this chip have the SD/SDIO/MMC function disabled, so if you will not see it listed in lspci.
This function is not currently supported, see the SD Card slot page for more info.
ThinkPads this chip may be found in