Ricoh R5C841

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Ricoh R5C841

This is a combined Ricoh Cardbus, SD, SDIO, MS, MSPro, xD and FireWire controller


  • Single CardBus Controller
    • function 0 PCI ID: 1180:0476 rev b3
  • IEEE1394 (FireWire) Controller
    • function 1 PCI ID: 1180:0552 rev 08
  • MMC, SD, SDIO, Memory Stick, Memory Stick Pro, xD
    • function 2 PCI ID: 1180:0822 rev 17

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

SD/SDIO/MMC/MS/PCPro/xD Linux support


FireWire Linux support


ThinkPads this chip may be found in