Difference between revisions of "Ricoh R5C552"

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=== FireWire Linux support ===
 
=== FireWire Linux support ===
{{HINT|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.}}
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{{HINT|Only the A31p 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.}}
  
 
=== ThinkPads this chip may be found in ===
 
=== ThinkPads this chip may be found in ===
 
* {{A31}}, {{A31p}}
 
* {{A31}}, {{A31p}}
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* {{X31}} (some models)
  
[[Category:Components]]
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[[Category:Chipsets]]

Latest revision as of 15:12, 22 January 2021

Ricoh R5C552

This is a combined Ricoh Cardbus and FireWire controller

Features

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

Hint:
Only the A31p 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.

ThinkPads this chip may be found in