IBM 11b/g Wireless LAN Mini PCI Adapter

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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

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

ThinkPads this card may also work with

  • T30 (2366-86G - works)
  • R40 (2681-GCJ - works with 1.27 BIOS)
  • R32 (2658-CJ2 - works with 2.16 BIOS)