Bluetooth Daughter Card (BDC)

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Bluetooth Daughter Card (BDC)

This is a Bluetooth Adapter that is installed in a CDC slot.


  • Chipset: TDK
  • USB ID: 04bf:0310

IBM Partnumbers

IBM FRU PN: 12P3872, 26P8071

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

  • Bluetooth Daughter Card
  • Bluetooth Daughter Card board
  • BDC board


A firmware update is available for this adapter from IBM.
The updated firmware is version 310, and is available here

This firmware update can unfortunately only be applied from Windows

Linux driver

This card will work with the standard Linux Bluetooth drivers as part of any recent 2.4 or 2.6 kernel

This device is implemented as a USB device, which can be enabled or disabled using a button under the display.

Also be aware that this card has a three pin connector used for currently unknown purposes. The later model Thinkpads have a two pin connector that will not fit.

ThinkPad's this card may be found in

External Sources