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Thread: Power supply requirements.

  1. #1
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    Power supply requirements.

    I am now in the final stage of building my second incar pc. My previous system used a standard PSU and an invertor. I now want a DC-DC power supply for my system but don't really know what I require.

    MY System;

    Via Epia Pico ITX Motherboard (1024mb ram)
    3.5" 160GB Sata HD

    I will power my screen from the cars batery though a regulator I already have.

    How much power will these draw? I like the look of the M1-ATX 90 Watt Power supply. Is 90 watts enough for my system? Is there any known problems with this power supply (i.e is it any good!).

    Any advice/recomendations would be great!

  2. #2
    Maximum Bitrate FusionFanatic's Avatar
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    I googled quicky and from what I read, the Pico-ITX Epia board has a single 12v input. how many amps does it draw?

    the M1-ATX is not powerful enough for your proposed system. the M1-ATX can provide 2A@12v and 10A@5v. your 3.5" HDD will draw up to 2A by itself which would max out the M1-ATX.

    the M2-ATX-HV is the same price and can provide 7A@12v and 6A@5v. it should be able to handle your system with plenty of power to spare.


  3. #3
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    My Pico takes a standard ATX Power supply.

    Thanks for the info on the hard drive. I knew the 3.5" disk would draw a lot but I want to keep it as I feel they are more reliable than the laptop drives!

    I will consider the M2-ATX-HV thanks!

  4. #4
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    Whats the difference between a HV and a normal M2 power supply

  5. #5
    Neither darque nor pervert DarquePervert's Avatar
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    Quote Originally Posted by mucklestone View Post
    Whats the difference between a HV and a normal M2 power supply
    The range of input voltage that the M2 can accept and still function.
    Have you looked in the FAQ yet?
    How about the Wiki?



    Under normal circumstances, a signature would go here.

  6. #6
    Maximum Bitrate FusionFanatic's Avatar
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    the reason I suggested the -HV was because it has the same output specs but it costs $15 less (I don't know why the regular M2 costs more... )

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