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Thread: Need Opinions On This Hardware

  1. #1
    FLAC
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    Need Opinions On This Hardware

    If I'm going to order a PSU from here, I have to do it soon because I'm going to ship it to someone in Redmond who will bring it back for me. So first question, which shipping option should I go with to get it to him by May 23?

    Second, I'm wondering on opinions for these power supplies since this is the only part I can't get locally.


    Snap-On Miniature 12v DC Power Supply - 200w
    - this one is cheap and powerful but how does it connect? I couldn't figure it out from the writeup. I couldn't understand it.


    OPUS 120 watt DC-DC power Supply DCX3.120
    - this one's cheap enough but is it powerful enough to run on a system with a 1.0ghz CPU in a mini-itx motherboard, Wi-Fi, video, sound, GPS, ODB-II, camera, and bluetooth? And will it fit in any generic mini-itx case I pick up?


    M2-ATX 160W Intelligent DC-DC PSU
    - this one's cheaper and more powerful - WTF? What's wrong with it?
    Ampie Case
    2.5" Hard Drive 80GB Samsung 5400RPM
    256 MB DDR2 PC5400
    Xenarc 700TSV - VGA Monitor
    Intel D945GCLF Motherboard
    M2-ATX-HV

    2005 Honda Civic

  2. #2
    Neither darque nor pervert DarquePervert's Avatar
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    They all have their pros and cons. Read all about it here:
    FAQ: Will <insert PSU model> Power Supply work with my system?
    Have you looked in the FAQ yet?
    How about the Wiki?



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  3. #3
    FLAC
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    Opus Solutions 120w
    12v rail = 3.5A (42w)
    3.3v rail = 8A (26.4w)
    5v rail = 8A (40w
    I feel stupid but this could be another language and it'd make as much sense.
    Ampie Case
    2.5" Hard Drive 80GB Samsung 5400RPM
    256 MB DDR2 PC5400
    Xenarc 700TSV - VGA Monitor
    Intel D945GCLF Motherboard
    M2-ATX-HV

    2005 Honda Civic

  4. #4
    Maximum Bitrate pepsibobby's Avatar
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    lol

  5. #5
    Neither darque nor pervert DarquePervert's Avatar
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    Quote Originally Posted by Maheriano
    I feel stupid but this could be another language and it'd make as much sense.
    Here's how it breaks down. You can get more details in teh FAQ emporium, but here are the basics.

    An ATX power supply provides power in three voltages. 12v is for the motherboard, CPU and devices that require it (full size hard drives & optical drives, high-end video cards, some fans, some 7" screens). 3.3v is strictly for the PCI bus. 5v is mostly for devices (fans, optical drives, HDDs).

    In that FAQ, it tells you how to get a rough estimate of what the CPU will draw from the 12v rail, as that's the one that's most commonly overloaded by people wanting the fastest CPU, an ***-kicking 3D card, a 3.5" hard drive, full-size optical drive, the 7" touchscreen, and so on).
    The 12v rating for those power supplies is the primary concern for determining whether a PSU is going to power your proposed setup. This is just a rough estimate, though, and the method is not at all guaranteed.
    Have you looked in the FAQ yet?
    How about the Wiki?



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  6. #6
    FLAC
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    Nice, that helps. So if I save myself the trouble and buy one prebuilt with a little tuning, I could get this carputer for $576....


    which contains the M1-ATX 90 Watt - Smart Automotive Power Supply regularly $75...
    Mini-Box M1-ATX
    12v = 2A (24w)
    3.3v = 10A (33w)
    5v = 10A (50w)
    And the Ampie Car Computer Case which is regularly $75.
    And the VIA EPIA M10000 Mini-ITX Mainboard but it doesn't say how much power this uses. It's regularly $150.
    And the 512MB DDR RAM PC2700 184-Pin DIMM Memory and it doesn't say the power usage for this one either. Regularly $95.
    And the 2.5" Hard Drive 80GB Samsung 5400rpm but it doesn't say how much power this uses either. It's regularly $140.

    And I think that's it. Think it'll power all that stuff? I couldn't find any power ratings for any of the products on there, not sure why. If it won't work, I can always just get this carputer instead

    This one offers the option of the M2-ATX 160W Intelligent DC-DC PSU at 160 watts for an extra $20.
    Ampie Case
    2.5" Hard Drive 80GB Samsung 5400RPM
    256 MB DDR2 PC5400
    Xenarc 700TSV - VGA Monitor
    Intel D945GCLF Motherboard
    M2-ATX-HV

    2005 Honda Civic

  7. #7
    Neither darque nor pervert DarquePervert's Avatar
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    Lots of members here are running the EPIA boards off teh M1ATX PSU. It will work just fine.
    If you want to have some flexibility for future upgrades, the M2ATX would be the better choice, IMO.
    Have you looked in the FAQ yet?
    How about the Wiki?



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  8. #8
    FLAC
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    So I guess all I really need to know before ordering is whether or not this 90 watt power supply will power this board with 512 RAM, CD ROM, Wi-Fi (USB), bluetooth (USB), 80 gig 5400 RPM laptop hard drive, USB keyboard and mouse, GPS (USB), and ODB-II (USB).
    Do the GPS and OBD-II receivers use the USB or connect some other way? And the CD-ROM / keyboard / mouse will only be hooked up for software install purposes. And is there some way I can expand the number of USB ports with an adapter? I think this board only comes with 2.
    Ampie Case
    2.5" Hard Drive 80GB Samsung 5400RPM
    256 MB DDR2 PC5400
    Xenarc 700TSV - VGA Monitor
    Intel D945GCLF Motherboard
    M2-ATX-HV

    2005 Honda Civic

  9. #9
    Neither darque nor pervert DarquePervert's Avatar
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    Quote Originally Posted by Maheriano
    So I guess all I really need to know before ordering is whether or not this 90 watt power supply will power this board with 512 RAM, CD ROM, Wi-Fi (USB), bluetooth (USB), 80 gig 5400 RPM laptop hard drive, USB keyboard and mouse, GPS (USB), and ODB-II (USB).
    I think you'll be fine.

    Do the GPS and OBD-II receivers use the USB or connect some other way?
    You can get them with USB, serial or even bluetooth connection.
    And the CD-ROM / keyboard / mouse will only be hooked up for software install purposes.
    Why? If your touchscreen fails or goes all wonky or you need to boot to safe mode, you're going to be SOL without a keyboard/mouse. I can see not having an optical drive, especvially if you're retaining a headunit. Presently, I have no optical drive (I used a full-sized CDRW drive to install on my bench)... I plan on having a DVD/CDRW combo at some point...
    And is there some way I can expand the number of USB ports with an adapter? I think this board only comes with 2.
    There are headers on the motherboard to add additional USB ports. You can get the ports at any decent computer shop.
    Have you looked in the FAQ yet?
    How about the Wiki?



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  10. #10
    FLAC
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    Thanks for not flaming me, not sure if these are noob questions or not. I know a lot about mobile media, very little about car PC. I also got the idea today to add a biometrics reader so only I can access the media, that'll be cool! I wouldn't let anyone else drive my car if hell froze over so I don't see why not.

    *EDIT - that gives me an idea, I'm going to start a new post about that. Keep posting here if you have helpful information for me though, thanks.
    Ampie Case
    2.5" Hard Drive 80GB Samsung 5400RPM
    256 MB DDR2 PC5400
    Xenarc 700TSV - VGA Monitor
    Intel D945GCLF Motherboard
    M2-ATX-HV

    2005 Honda Civic

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