Intel PRO/Wireless 4965AGN Mini-PCI Express Adapter

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Intel PRO/Wireless 4965AGN Mini-PCI Express

This is a Mini-PCI Express WiFi Adapter


  • Chipset: Intel 4965AGN (Intel Docs.)
  • IEEE Standards: 802.11a, 802.11b, 802.11g (802.11n Some models Only)
  • PCI ID: 8086:4230
  • PCI ID: 8086:4229 (not actually seen on Thinkpad, yet)
  • PCI ID: 8086:4233 (not actually seen on Thinkpad, yet)
  • PCI ID: 8086:422D (not actually seen on Thinkpad, yet)

Mini-PCI WiFi Adapter

IBM Partnumbers

42T0865, 42T0867, 42T0869, 42T0871, 42T0905 : Intel PRO/Wireless 4965AGN (11n enabled)

42T0873, 42T0875, 42T0877, 42T0879, : Intel PRO/Wireless 4965AGN (11n disabled)

(From T61 Hardware maintenance Manual)

Only the IBM Parts will work, any other parts will give an 1802 error on Post because the sub-vendor PCI ID is different, see Problem with unauthorized MiniPCI network card for more details
Part numbers above will not work with ThinkPad models earlier than the 61 (T61, X61) series, even if the ThinkPad supports Mini-PCI Express. A 42T0865 card was tested in a T60, and resulted in an 1802 POST error.

Hardware switch

Some ThinkPads have a hardware switch that must be in the on position for the radio to work, regardless of driver state:

(ThinkPad R60 radio switch in the ON position)


  • Iwl4965
  • Success with ndiswrapper (on dell 640m) [1]

Procedures for using this card under Linux using Intel wireless driver

ThinkPads this card may be found in