I've used Microsoft's Play and Charge cable to connect it to my -current PC:

http://www.amazon.de/Xbox-360-Play-Charge-Bundle/dp/B000AYS8FK/ref=pd_bb...
It is a cable for charging the wireless controller's battery via USB.

You can stick it into the Xbox 360 or into a PC.
On 10/6/07, Marc Espie  wrote:

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> On Sat, Oct 06, 2007 at 03:26:58PM +0200, Alexander Farber wrote:

> > /bsd: ugen0 at uhub0 port 1

> > /bsd: ugen0: "Microsoft product 0x028f", rev 2.00/1.05, addr 2

> > /bsd: ugen0 detached

> Did you connect it directly, or use the microsoft adaptator  for wireless

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> stuff ?

Regards

Alex