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Thread: M1-ATX installation question

  1. #1
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    M1-ATX installation question

    I read some of the instruction thread and online manual on how to install the M1-ATX to the car. But I am still confused on it (sorry for a computer science major I never experience any electric/wiring). So I just bough the carputer from Mp3car store, with the M1-ATX included. And the car I am hooking up is 2003 Ford Explorer. So after all the search, I am still confuse on how to wire the three wires from the carputer to the car. Do I actually wire the three wires into my car battery in the front of my hood or is there a shortcut inside the front of the car. Where do I locate then, and I am sure I need a long wires then the supplied one, what kind of wire do I need to use, one of the thread discuss something about using a 4-8 gag wire.

    Thanks!

  2. #2
    Constant Bitrate
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    I used a 12ga wire from the battery and I have a large suv so the run was pretty long and I have had no problems. I only have the PC, a mini keyboard, mouse, and usb wifi so I'm not power a ton of stuff either. Anyway you want to run a 8, 10, or 12ga depending on how much you want to power from the battery to your PC, then run a wire inside from something that only turns on when the key is on. and then tie the third wire to a GOOD ground point. This could be the battery but I'm sure you can find a easier point inside the vehicle.
    Car-mada-puter Epia MII12000, 40gig HD, 512mb ram, Morex 3688 case, M1-atx and XP Pro.

  3. #3
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    I did more such on installing, I found one topic with picture on installing opus. I want to know why they use a 10-15 fuse between the opus and the car battery?

  4. #4
    Low Bitrate 273BeLow's Avatar
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    Quote Originally Posted by jackkong
    I did more such on installing, I found one topic with picture on installing opus. I want to know why they use a 10-15 fuse between the opus and the car battery?
    it's to stop the wire between the battery and your opus overheating and possibly catching fire which.. well is bad.

    You want to place the fuse as close to the battery in your car as possible, that way if something happens (short etc) the fuse will blow and there is no chance of a fire spanning the length of your car.

  5. #5
    Variable Bitrate Moneyfink's Avatar
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    for the battery, do what I did, get a friend. (of course you are acomputer science person so that could be tough,,, jk) Anyway, have someone you know who installed subs to get the + and the ground done. He knew about going through the firewall, and grounding and everything. He recommended good wire too.

    For the ignition line, they say something that turns on when the key is on... for this i recomend using the windshield wipers. the way you do this is to go into your owners manual and read the section on fuses, It will tell you what each fuse is for. Find the one for your wipers, and take it out. when it is out solder the ign wire to a metal part on this fuse. You can also go to a hardware/auto store and get a fuse tap, this looks like this:

    What this does is send the current to the computer when you turn the car on. You can't use your wipers when the car is off, so there is no current through this line. When you tap into a small current is send through the line when you turn your car on, this tells the m1-ATX to start doing its job. This was very confusing for me, so I hope this is clear and detailed enough for you. good luck
    My OLD carputer page
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    Via Epia M10000, 512 PC2100, Opus 150, 8" lilly touch, 320 GB 7200 WD Caviar

  6. #6
    Newbie mega's Avatar
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    Quote Originally Posted by Moneyfink
    For the ignition line, they say something that turns on when the key is on... for this i recomend using the windshield wipers. the way you do this is to go into your owners manual and read the section on fuses, It will tell you what each fuse is for.
    I'm looking for a 12v switched line that I can hook my M1-ATX up to. My Golf does not offer an easy way to get a switched 12v feed (it uses the CAN-bus system) , so using your method seems the way for me Moneyfink.

    Quote Originally Posted by Moneyfink
    Find the one for your wipers, and take it out. when it is out solder the ign wire to a metal part on this fuse.
    Just to clarify, what kind of wire will I need to connect the fuse and the M1-ATX and do I plug the fuse back into the fuse box?

    Cheers!
    Lilliput 7" TS / VIA EPIA M10000 / 512 MB DDR RAM / 40 GB 5400rmp 2.5" HDD / Samsung Slimline DVD-ROM / M1-ATX 90w PSU / Kenwood KDC-W5031 / Tranquil T3 Case / GPS Mouse
    INSTALL COMPLETE :)

    http://megatr0n.blogspot.com/

  7. #7
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    am i correct in thinking this 'ign' line just needed for a signal to tell my M1-ATX to power up\down, rather than actually providing any significant current. I assume the main current is provided by the main power\ground connections?

    ie, does it work in a similar way to the amp remote cable? just some little 0.3a wire should do the trick? or does it need something a bit more substantial? i've got 3m-4m to take it

  8. #8
    Constant Bitrate Heckle0's Avatar
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    Not sure what wire to use....I used 18AWG......But yes the ignition is just a jolt to turn it on as far as i know....and then when you turn the car off it does the same thing.
    Another Novice?
    Progress so far <-------*-> 88%
    Kenwood MPV5025 with Aux
    Via MII10000
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    LG Slim DVD\CDRW
    Xenarc 700TS
    M1ATX
    Pharos GPS
    SYBA USB2.0 4-port Hub
    Bufalo 54Mbs Wirelessb/g PCMCIA card

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