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Thread: 2008 Impala SS - The Connected Car

  1. #111
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    tripzero's Avatar
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    Just ordered one of these:



    from here

    It'll be under a "pay as you go" plan which I'll probably do the 300MB for 30days at $20. I don't think I'll go over 300MB but we'll see.

    This will allow both PCs to be connected together (assuming it's a true access point) and allow internet access for both. Anyone know if this is a true access point? If it is, I'll be able to avoid using the ethernet port on the sheeva which will reduce my power consumption by quite a bit.
    Former author of LinuxICE, nghost, nobdy.
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  2. #112
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    A new direction...

    So after much thought (and accidentally blowing away the filesystem on the sheeva), I'll be going a slightly direction with my setup.

    I knew upfront that it was less-than-optimal because I would still have to use two boxes. Yet I couldn't find hardware that would perform the media functions of a carpc (which i currently used a zotac ION to accomplish) *and* have the low power requirements of the sheeva. I was thinking on going with a beagleboard. But with only 128 RAM and 256mb Flash, I was discouraged... that's not a lot to work with. The gumstix board has twice as much RAM, but that still isn't a lot to work with.

    Times have changed... A user on the Openice forum pointed me to this device which he was trying to run nGhost on:



    This is 720MHz, 512mb RAM and Flash! It's the bigger, stronger, faster brother of the beagleboard and still only consumes ~2W! That's less than the sheeva! It also does OpenGL ES 2.0 and can do 720p video without much effort.

    So lets do a little math:

    sheeva $99
    zotac ION $180
    power supply $60
    RAM $50
    Touchscreen $240

    Total wattage: 6-30W+
    Total Cost: $629

    Now:
    igepv2 $180
    psu $60
    Touchscreen $240

    Total wattage: 2-3W max (not including touchscreen)
    Total cost: $480

    It's also worth noting that ARM processors can go into idle states at 0MHz and draw only 15mW or so. This is about what your PC would be drawing when sleeping only this system isn't sleeping!

    So I save money, energy, and trunk space by going with the igepv2.

    PS. the company that makes this will be coming out with an expansion board with GSM/GPRS, 3 pin CAN interface, and video inputs in Q3 2010.
    Former author of LinuxICE, nghost, nobdy.
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  3. #113
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    Quote Originally Posted by tripzero View Post
    It's also worth noting that ARM processors can go into idle states at 0MHz and draw only 15mW or so. This is about what your PC would be drawing when sleeping only this system isn't sleeping!

    So I save money, energy, and trunk space by going with the igepv2.

    PS. the company that makes this will be coming out with an expansion board with GSM/GPRS, 3 pin CAN interface, and video inputs in Q3 2010.
    Very interesting board. If I understand you correctly, you can now ditch the Zotac and Sheeva in place of this new board and have it running LinuxICE2 24/7 (or until you drive your Impala again)? Also, do you know if this new board has received positive reviews?

  4. #114
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    There's no miracles. 2-3W will be an extremely slow system.

  5. #115
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    Quote Originally Posted by dmiller View Post
    There's no miracles. 2-3W will be an extremely slow system.
    Power consumption doesnt equal a slow system!
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  6. #116
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    http://en.wikipedia.org/wiki/Performance_per_watt

    Low power absolutely doesn't equal a slow system, unless you're using Intel chips :-)

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  7. #117
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    Very interesting board. If I understand you correctly, you can now ditch the Zotac and Sheeva in place of this new board and have it running LinuxICE2 24/7 (or until you drive your Impala again)? Also, do you know if this new board has received positive reviews?
    Yep, it should run longer than the sheeva drawing 1/3 the power. The guy who's been using it in the openice forums likes the board a lot. He's been playing with LinuxICE and even Android on it. I found a wiki page on running MeeGo on it which I'm highly tempted to port my stuff over to MeeGo and just run that.

    Quote Originally Posted by dmiller View Post
    There's no miracles. 2-3W will be an extremely slow system.
    This is nearly the same processor as in your droid, n900 and iphone except for slightly faster and more RAM. I don't have much issues multi-tasking, running navigation apps, playing music, etc on my n900. I can't think of any software that I need to run that won't run well on this device. I'm not running anything very cpu intensive.

    Atoms are much more powerful, but not nearly as performant per-watt as ARM (yet). And the DSPs on the ARM SoC handle all the heavy graphic, image, and sound loads nicely so the cpu doesn't need to worry about them.

    Also, to show how small this board really is:

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  8. #118
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    WOW.... Nice board... Looks like it's smaller than PicoITX and perform better.

    looking forward to next update

  9. #119
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    Quote Originally Posted by tripzero View Post
    ......

    Atoms are much more powerful, but not nearly as performant per-watt as ARM (yet)
    I have the newest Atom, and I wouldn't call it powerful. It doesn't keep up with 2 gps and music at the same time.
    For $80 its a nice bargain.
    I like the i3, board, and memory for about $250. That runs everything but still idles near Atom's power level.

  10. #120
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    Quote Originally Posted by tripzero View Post
    Atoms are much more powerful, but not nearly as performant per-watt as ARM (yet). And the DSPs on the ARM SoC handle all the heavy graphic, image, and sound loads nicely so the cpu doesn't need to worry about them.
    Man that is one small board. Thanks for the documentation of your work, I anticipate using your post for my next carPC.

    With such a low power draw, I imagine two or three of these boards could be used to divide up the work load. I'm not sure about Ubuntu, but don't linux distros (in general) work in clusters if configured to do so?

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