Next, we can remove the Bluetooth board from the iMac.
With the help of our trusty iFixit vise (which is made of the same material as our spudgers, and is ESD-safe), we're able to desolder the shield covering the little Bluetooth board to reveal the chip goodies underneath.
At its heart lies:
Broadcom BCM2046 Bluetooth IC
256 KB of SST 39VF200A CMOS Multi-Purpose Flash (MPF)
We found this same chip a long time ago in the first MacBook Air.
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