What Intel CPU did Apple go with?

The only other chip on the motherboard liberally covered in thermal grease is the Intel CPU:


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The CPU isn't made public on Apple's site nor do any of the markings match up with anything in any of Intel's public databases, however we were able to find out a bit about where to start looking given that the North Bridge it was connected to was a Mobile 945G:


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- The 945G North Bridge is the larger chip to the upper left

We believe that the Intel CPU in the Apple TV is an Ultra Low Voltage Pentium M based on the Dothan core, running at 1GHz (max frequency), 400MHz FSB and a 2MB L2 cache.

The Mobile 945G is connected to the Apple TV's main memory:


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Each Nanya DDR2 device is 64MB in size, for a total of 256MB of main memory that the Apple TV has at its disposal.


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Apple TV: Powered by NVIDIA? Final Shots
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  • Lonyo - Thursday, March 22, 2007 - link

    Anandtech readers aren't most people :P Reply
  • shabby - Thursday, March 22, 2007 - link

    quote:

    The cable itself is fine, but it's not wrapped in some ridiculously elegant way

    Reply
  • Eug - Thursday, March 22, 2007 - link

    Perhaps Apple is using the GeForce Go 7300 to assist with H.264 decoding. Reply
  • saratoga - Thursday, March 22, 2007 - link

    That seems likely. 1GHz would be fairly iffy for 720p H.264. My guess is they included it for use as a DSP. Theres a lot of FMACs on even a low end GPU, which is really important for this sort of work.

    Still, the whole package looks a bit thrown together. Theres real embedded parts you can use, rather then expensive laptop gear. You don't need an x86 CPU if you don't have a PC, a MIPS or ARM part with a fast DSP chip will do the same thing for 1/10 the price . . . if you've got time to rewrite your x86 codecs for a highly specialized DSP system. I guess Apple didn't.

    Sort of reminds me of the Xbox 1. Lots of off the shelf PC parts, way more expensive to make then it should have been, but it did get MS's foot in floor and Sony isn't laughing so hard these days. Maybe Apple will pull if off.
    Reply
  • Renoir - Friday, March 23, 2007 - link

    1GHz does indeed seem to being cutting it a bit close for high def H.264 although given how efficient coreAVC is perhaps they've just really optimised the decoder. If they have it'd be nice to see it in quicktime as that one seems very inefficient IMHO. Reply
  • michael2k - Thursday, March 22, 2007 - link

    I wonder if you could make a TOTALLY sweet MythTV box out of this.

    Or... somehow hack a wireless keyboard with something like Synergy and get full OS X on this thing.
    Reply
  • Cygni - Friday, March 23, 2007 - link

    Man no kidding. This would be a great MythTV + Emulation station computer if we can get Linux running on it, and i cant see why it wouldnt. The whole thing is made of standard PC components. The 40 gig HD might be a little skimpy for a MythTV box, however. Reply

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