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原帖由: Erik Landi ,

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Hi everyone, I know that this question was being answered and researched by iFixit, however I may have a solution. Amazon.com has both the Broadcom BCM94360CD and the Mini PCI-E board available for under $60 dollars. This solution will work for the 2011 27' Inch iMac and requires no modifications to drivers (known as Kext files on the mac), I have done this same modification with a retina MBP 15' so I know drivers were not needed. Like Dan said you will need an extension cable for the U.FL connector on the existing bluetooth board (link below) to get to the new Airport card as Bluetooth is now included on the board. In addition you may need to route USB Data +&- to the adaptor board if the BTLE still says not supported, the reason is Apple included a USB channel on some Mini-PCI-E buses (like the mac pros) but not on others. Since the 2011 model has a separate BT board there is a good chance you'll need this extra USB Data pin adaptor (which is included in the kit I spec'd), all you have to do is plug the bare wire into the connector for the old BT board and tape it up nicely (link below for instructions).

However a new software workaround was created for Broadcom based Airport cards that allowed the use of Bluetooth 4.0 LE dongles (The recommendation is to look for dongles based on the Broadcom BCM20702 chip, which are similar to the ones used by Apple in their Continuity compatible Macs. A few examples: Asus BT400, IOGEAR GBU521, GMYLE, and many others. Compatibility CSR dongles is not guaranteed).

Software Work Around with Dongle

https://github.com/dokterdok/Continuity-Activation-Tool

BCM94360CD Card

http://www.amazon.com/Broadcom-BCM94360CD-BCM4360CD-802-11ac-Bluetooth/dp/B00L35XSMS

Version 1.0 (without USB out support Blue Tooth Low Energy may not work without this)

http://www.amazon.com/Adapter-Converter-BCM94360CD-BCM94331CD-Interface/dp/B00P0QYA1Y/ref=pd_bxgy_pc_img_y

Version 3.0 (with USB out support for BTLE)

http://www.amazon.com/Generic-Mini-Adapter-Bcm94360cd-Bcm94331cd/dp/B00NQAXDW8/ref=pd_sim_sbs_pc_5?ie=UTF8&refRID=139K6M0BG88JAZSWKNKF

U.FL Male to U.FL Female Cable 1 ft

http://www.amazon.com/Pigtail-U-FL-Male-Female-inches/dp/B006IVUI0C/ref=sr_1_4?s=electronics&ie=UTF8&qid=1418847146&sr=1-4&keywords=U.FL+Male+to+U.FL+Female

Pinout For USB + & -

http://www.insanelymac.com/forum/topic/252958-guide-installing-apple-bluetooth-module-in-your-hackintosh/page-6#entry2073059

I hope this helps, and when I get this working on my 2011 iMac I'll update with a guide.

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