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Thread: everytime I start car, the PC will reboot with dc-dc unit (input 10.8 - 26V)

  1. #1
    Constant Bitrate
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    everytime I start car, the PC will reboot with dc-dc unit (input 10.8 - 26V)

    hi
    I have a dc-dc unit (input 10.8 - 26V) and Via epia M10000 and everytime I start car, the PC will reboot..

    what I need? A backup batery, diode and resistor?

    thank

  2. #2
    Variable Bitrate no1knows's Avatar
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    answered so many times,

    Battery based tank circuit (tested)
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  3. #3
    FLAC
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    Mashina,

    What kind of DC-DC is it? Who makes it?
    MikeH

  4. #4
    Constant Bitrate
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    Quote Originally Posted by MikeH
    Mashina,

    What kind of DC-DC is it? Who makes it?
    I was bought it from www.emko.cz in my country (czech republic).. but they hasnt any information about this psu in english i have only this czech link http://www.emko.cz/emko_cz/index.html

  5. #5
    Maximum Bitrate owenjh's Avatar
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    altavista bable fish it to get it in English.
    CarComputer Status: New Car & Broken (Motherboard Fried)
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  6. #6
    Constant Bitrate vull's Avatar
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    dunno about the power supplies, but the EM-151 case looks coool
    m350 is smaller tho :\

  7. #7
    Newbie
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    other ideas for helping this problem are as follows;

    cable upgrades, both ground and feed, but mainly feed (to prevent voltage drop while cranking, if its only 0.1 - 0.5 volt a good upgrade from say 10-12 gauge to 1-2 will make a massive difference over 2-3 meters)

    capacitors, depending on alot of things but the right cap circuit would keep the voltage high enough during a quick cranking session

    ensure that you have the pc connected directly to the battery via a relay instead of to the ACC/IGN lines as these lines have higher voltage lose with the other things connected to them along with the very thin cabling. at most the acc/ign line should only be used as a relay trigger

    tank circuit as previously described

  8. #8
    Constant Bitrate
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    Quote Originally Posted by pyro1 View Post
    other ideas for helping this problem are as follows;

    cable upgrades, both ground and feed, but mainly feed (to prevent voltage drop while cranking, if its only 0.1 - 0.5 volt a good upgrade from say 10-12 gauge to 1-2 will make a massive difference over 2-3 meters)

    capacitors, depending on alot of things but the right cap circuit would keep the voltage high enough during a quick cranking session

    ensure that you have the pc connected directly to the battery via a relay instead of to the ACC/IGN lines as these lines have higher voltage lose with the other things connected to them along with the very thin cabling. at most the acc/ign line should only be used as a relay trigger

    tank circuit as previously described
    I think none of all this will solve the problem.

    Instead I'd use the M2-ATX as a better, crank surviving, DC-DC converter and once you get tired of EPIA you already have a power supply.

    But sure, a tiny 12V/3Ah dry battery and a 5A Schottky diode should also work but I've never tried it.

  9. #9
    Neither darque nor pervert DarquePervert's Avatar
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    I think that the OP has either sorted out the problem or given up in the past SIX FREAKIN' YEARS.

    vull Why would you resurrect a 6y/o thread and add nothing substantial to this discussion?
    I honestly don't get it.
    Have you looked in the FAQ yet?
    How about the Wiki?



    Under normal circumstances, a signature would go here.

  10. #10
    Constant Bitrate vull's Avatar
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    if you dont get it, then it doesnt mean that others dont
    lets all rant offtopic now? that's even more pointless

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