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Thread: can I hook this up safely ?

  1. #1
    Newbie
    Join Date
    Dec 2003
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    4

    can I hook this up safely ?

    Hi,

    Here's a layout of my setup.

    Morex 2688 Case
    Epia V Mobo
    512 SD-Ram
    Combo Slimdrive DVD/CD-R
    120gig hd
    Riser card
    GF2MX400 64MB PCI
    Alpine Screen.
    USB Gps Module
    Ati Remote wonder
    Sharkoon Luminated micro keyboard.

    Everything works okay, but yesterday someone told me if I hook this up directly to the car battery (12v), It will fry my mobo. The Morex power supply can handle up to 4.5Amps.

    Now I'm afraid to hook it up, are there people with the same setup that can help me out? Can I hook it up or do I need another part between the car battery and the morex case ?

    Spanx in advance,

    E-nigma

    n00b at carputers

  2. #2
    Raw Wave hijinks21's Avatar
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    May 2002
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    Albany, NY
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    i'd get a 12v regulator in front of the PSU before you hook it up. Also if the PSU can handle 4.5amps get a inline fuse also
    '98 Explorer Sport
    http://mp3car.zcentric.com (down atm)
    AMD 800mhz 192megs RAM 60gig hard drive 9 inch widescreen VGA
    80% done

  3. #3
    Variable Bitrate MeanGT's Avatar
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    Apparently the power supply will draw about 4.5 amps. A car battery puts out hundreds of amps, but a common misconception is that those figures have to match. That is not the case, the power supply will ONLY draw the amperage that it needs from the battery. it could be hooked up to a 10,000 amp battery, and it would still only use 4.5 amps. The only worry would be the fact that a car's 12v is not true 12 volts, it varies anywhere from 8 to 14+ volts, which can damage a power supply designed for exactly 12 volts. That is why Hijinks recommended a voltage regulator, to keep the voltage at 12 volts.

    Most likely hooking it up to your car battery will not hurt it, as long as the engine isn't running. Do a search of these forums for 12v regulator or similar and you will find out all kinds of info,,

    My 2 cents
    My OLD Carputer: http://www.mp3car.com/vbulletin/showthread.php?t=17412
    Currently, Don't have a carputer :( I sold my lincoln and bought a '93 Acura Vigor, plan on putting a carputer in it one of these days. You can see my vigor at: This Site

  4. #4
    Raw Wave hijinks21's Avatar
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    and the fuse is there in case you have a short and you don't want those 100's of amps toasting your system. The fuse will trip before it even gets to the PSU.. saving you a lot of $$$$
    '98 Explorer Sport
    http://mp3car.zcentric.com (down atm)
    AMD 800mhz 192megs RAM 60gig hard drive 9 inch widescreen VGA
    80% done

  5. #5
    Variable Bitrate MeanGT's Avatar
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    Jul 2003
    Location
    Melbourne, Florida
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    Quote Originally Posted by hijinks21
    and the fuse is there in case you have a short and you don't want those 100's of amps toasting your system. The fuse will trip before it even gets to the PSU.. saving you a lot of $$$$

    Right Fuses are very good!! they save equipment and prevent fires.
    My OLD Carputer: http://www.mp3car.com/vbulletin/showthread.php?t=17412
    Currently, Don't have a carputer :( I sold my lincoln and bought a '93 Acura Vigor, plan on putting a carputer in it one of these days. You can see my vigor at: This Site

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