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Thread: Updating my mobo from a atom

  1. #11
    Variable Bitrate camo.b's Avatar
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    I was looking at your build the other day..did some price checking.its a well optioned board that one!lots of expandable ports

  2. #12
    Variable Bitrate camo.b's Avatar
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    there is some some things im not willing to give up...ie vga serial ports.SNO' reccomendation and your board have everything i need..both seem the same price...whats your power usage like with the mobile cpu? My atom is running from a 5amp fuse.

  3. #13
    Maximum Bitrate rray's Avatar
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    Thats why I chose the board I did, it's low power and designed for abuse, up to a 45 watt mobile cpu only. I can't find it now, but I read it's total power draw was 140 watts if every port and socket was running at maximum draw and a 45W cpu was used. A 160W DC-DC converter board with a 15A fuse is what i'm using, but it might be overkill. Mine is probably drawing 5A average. Oh, it's fast too!

  4. #14
    FLAC SNOtwistR's Avatar
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    Well yes if we are stepping it up a notch + for the jetway boards built solid. I have that in my rv's main computer i7 on a NF9F-H61 and q9100 on a NF93R-LF in my truck. Both are very reliable SNO

  5. #15
    Variable Bitrate camo.b's Avatar
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    In my price checking both boards came up about the same price...+/- a few bucks...
    I do like the low amp draw of a mobile cpu...decisions decisions...

  6. #16
    Variable Bitrate camo.b's Avatar
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    hey SNO that sure gps is quite nice...thanks for the tip

  7. #17
    Maximum Bitrate rray's Avatar
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    Yes, low current low heat. That is the word of wisdom.

    I have worked in the semiconductor industry since 1978, and I watched chips shrink from 3,500 transistors per square cm to 2,000,000,000. In the mid 80's I started seeing electromigration of aluminum under a microscope. We had built the chips so small by then that electrons moving through a 1 micron wide aluminum trace with a 90 degree turn would carry aluminum around a corner the same way a fast flowing river carries sand and sediment leaving a sand bar.

    Eventually the circuit would fail when the aluminum got too thin to carry the current.

    The next phase of failures came when we got layers so thin that electrons decided to tunnel straight through the layers into the silicon substrate to reach ground instead of following the circuit. Enter the era of the "Glitch" and "Lockup". We countered with lower chip voltages, and added fans and heat sinks.

    I spent 25 years in microlithography shrinking circuits, and another 10 years in anneal, working to counteract the effects of heat on our ever increasing transistor counts, so its only natural I build my home PC's with water cooling and put low current cpu's in my car PC. Yes I want the fastest I can get, but I also want stability and reliability too.

  8. #18
    Variable Bitrate camo.b's Avatar
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    It interesting to hear about users backgrounds,would have love to see the metals moving like sand at such a microscopic level......my brain is thinking its similar to tig/mig welding...(im a car body guy)

  9. #19
    Maximum Bitrate rray's Avatar
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    Jobs like yours were hard to get where I grew up. We all had to take auto shop in high school, because we had both the Ford factory, and the Chevy factory within 10 miles of our high school. We had lots of speed shops, auto body shops, and Baylands Raceway all within a few miles of home. If you were lucky and had friends and family, you could get in to the GM factory, or get a job at a shop in town, but if you were like me and drove a 66' Falcon, they ran you out of town.

    I ended up driving 15 miles down the road to San Jose, and got a job in the Semiconductor industry. A few years later they started calling it Silicon Valley, and they tore down the Ford factory and turned it into the Great Mall, they tore down the drive in theater and Baylands raceway and turned it into a high tech park, and the Chevy Factory is now the Tesla Motors factory. So all there is to do out here is tech work... even if you build cars at Tesla, you are an electronics tech.

    So back on topic, we all like to apply what we learned in our jobs to out hobbies, and I learned that heat and high current are the killers of mobile hardware, so I tend to built projects with that in mind. That and I tend to over rate the hardware I used. I don't need a cap, but just in case. I don't need an extra battery, but just in case. I use thicker wire and higher rated parts rather than try to save too much on something that might get glitchy on me.
    Last edited by rray; 12-11-2013 at 02:50 PM.

  10. #20
    Variable Bitrate camo.b's Avatar
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    i lot of what i know now i learnt the expensive way......i have almost got everything running perfectly now...still room for additions but its very stable and im lacking the time to add my other items ie...mjs usb I/O board,arduino and id really like a tpms and a better way to do OBD.i have torque setup on my tablet and it far outweighs any pc version...
    I think ive rewired twice now plus a major one ,replaced so many parts now i dont even bother about the cost anymore..its all about getting it right now and not getting "beat" by the time it takes...the atom and HD Radio are all that remains of the original install and have never given a second of trouble....
    somtimes i think i should have spent more money at the start of my build...better components but you never know how its going to turn out and if you will even like the result.

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