2

In the temperature FAQ, it "the LAN9512 is specified by the manufacturers being qualified from 0°C to 70°C, while the AP is qualified from -40°C to 85°C."

Does anyone know what the "AP" is? Is it the Access Point, in other words the Ethernet connection?

3

I suspect, Applications Processor.

From http://www.broadcom.com/products/BCM2835

"The BCM2835 is a cost-optimized, full HD, multimedia applications processor for advanced mobile and embedded applications.. "

2

considering:

  1. the FAQ part where this was posted is named "Graphics"
  2. two hottest chips on the board are BCM2835 and LAN9512 (source).
  3. there are quite a lot of places on the web, where the BCM2835 is mentioned nearby 85°C.

I think it was a typo, and the author actually meant combined CPU/GPU unit.

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