IBM 11b/g Wireless LAN Mini PCI Adapter

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IBM 11b/g Wireless LAN Mini PCI Adapter

This is a Mini-PCI WiFi Adapter that is installed in a Mini-PCI slot.


  • Chipset: Atheros AR5004G
  • Radio chip: Atheros AR2112
  • MAC Processor: Atheros AR5213
  • IEEE Standards: 802.11b, 802.11g
  • PCI ID: 168c:0013

Mini-PCI WiFi Adapter

IBM Partnumbers

IBM FRU PN (WW): 91P7418, 93P3477
IBM FRU PN (USA, Canada, Taiwan): 91P7416, 93P3475

Also known (in IBM literature) as....

  • 802.11b/g Ambit wireless card
  • 802.11 b/g Clymer Wireless Card
  • ThinkPad 11b/g Wi-Fi wireless

Linux WiFi driver

The Madwifi driver works with this adapter.

No problem with WiFi, the driver works fine on my R51e, but the WiFi LED on the panel doesn't light up.

Madwifi driver works fine on R51e, but the antenna seems to stay switched off after suspend to disk and cannnot be activated without a reboot. Somewhat annoying, shutting down the device before suspend to disk does not solve the problem.

ThinkPads this card may be found in