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  1. #406
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    Re: Carputer 101

    spare tires are common places for carputers.

    SATA to ide is a bad idea. Sata spec should be good for up to 12 feet, I think. IDE is good for about 36 inches. Drive interface to USB would be the way to go.

    Also, it's very common practice to use a phone as a modem and connect to the internet. I will be doing that through bluetooth Also, some software support an in-car phone that uses your cell phone to make the call. I'm not sure how they record though.



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    Re: Carputer 101

    what cell service do you have?




  3. #408
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    Re: Carputer 101

    cingular. Verizon, t-mobile, and sprint all have the service too. It's a data package designed for pda's but you can use your pc with it too.



    carputer - h701 - c701 - dynaudio mw170s - si mag 15 - ss rubicon 604 x2 - ss rubicon 1002

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  4. #409
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    Re: Carputer 101

    or, you can just get the data package with the card used for laptops...

    They make wireless routers that will take that signal and broadcast a B or G wireless signal out of it...mobile hot spot!



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  5. #410
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    Re: Carputer 101

    Quote Originally Posted by Red GTi VR6 View Post
    or, you can just get the data package with the card used for laptops...

    They make wireless routers that will take that signal and broadcast a B or G wireless signal out of it...mobile hot spot!
    although that seems like a neat idea, but id rather just tether the phone to it. keep the bills down



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  6. #411
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    Re: Carputer 101

    I have Sprint power Vision. I have a Palm 700p with the "use phone as modem" plan for $40/month. I can stream internet radio at 192 with no problems even while driving. I do get some drop out while going through non-EVDO areas but for the most part it works great.

    BTW I havn't posted on these forums in a while. Good to see more mp3Car.com members here.




  7. #412
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    Re: Carputer 101

    I posted this on the mp3car.com forums already, but I figure I'll throw it in this thread too.


    How To : Remote start CarPC using your car alarm

    I just thought I'd post this since a lot of people might be interested in doing something similar. My problem was that I didn't like waiting for my CarPC to boot up when I got in the car. Further complicating things was the fact that the weather in Nebraska where I live gets anywhere from extreme cold to extreme hot. For this reason I did not want to simply wire my computer to the remote start. Having it start separately means that in the winter when it's cold I can remote start the car, then remote start the computer after it warms up while I'm walking out, or during the summer just remote start the computer without wasting gas.

    Now this solution isn't for everybody, you need to have some sort of unused auxillary function on your car alarm (or any method of remotely triggering a constant +12v line). I had door lock and trunk pop and two unused ones. I also have an OPUS power supply for my PC, meaning that it can turn on and off with only a simple trigger wire, most people use the ignition, exactly how an amp turns on and off. You can do this even if you don't have an OPUS power supply with an ignition trigger, the wiring will just be a bit more complicated. You must have a latched output on your alarm, not a pulse or a timed output, the trigger must go live and stay on until the ignition is triggered. (If you don't have a latched output on your alarm, you can make your own relay system that converts a single pulse to a latched output, see THIS article on the12volt.com)

    So now without further hesitation, the simple solution :

    All you need is a standard relay, some wire, and a few different styles of crimp connectors. You need access to a constant +12V wire (low amperage is no problem, I think mine was 22Gauge), your computer-turn-on wire (most people use ignition), and your alarm's trigger wire.

    Step one : Program your alarm function. The extra function I used on my alarm only turned on for a brief time by default, however it could be programmed to turn on and stay on until the ignition is triggered. This was perfect for my purposes so I switched it over to that mode, now when I trigger that function the wire goes live and stays on until the key is turned on.

    Step two : Locate a constant +12V power wire. www.installdr.com has a nice wire harness diagram that I used to locate one. A multimeter is your friend.

    Step three : Cut your computer turn on wire. Usually this is the ignition wire.

    Step four and up : Attach your alarm's trigger wire (the one that goes live when you hit the function key) to terminal 86 on the relay. Attach your constant +12v source to both terminals 85 and 87. The ignition wire should run through the relay entering on terminal 87a and exiting on terminal 30.

    Here is the diagram I made to explain this better


    That's it, you're done. Just tidy up your wiring,mount your relay down somewhere, and put everything back together that you might have torn apart to access the wires used for this simple mod. If everything was done correctly when a charge is activated to terminal 86, current from 87 should flow through 30 triggering your computer to start. When there is no current on 86, the relay connects 87a to 30, which means your computer will turn on and off with your key just like normal. In simpler terms, triggering your alarm function should now start your computer and it should still work with the key as well.

    Note : It is important that you program your alarm correctly. The trigger has to go live and stay on, but also turn off when the ignition is turned on. Most alarm functions have this option as well as a timed mode. If you do not set it properly it might only start your computer for a short time, or it might start it and never turn it off unless you trigger the alarm functions again, this would effectively make the key not do anything.



    References : chaunb3400, Team H&K, diminishedpower, pickup1, sublime06, sporty_drew, JRock10, Jando86, sundownz

  8. #413
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    Re: Carputer 101

    isnt 85 on the relay ground? not another 12v



    Quote Originally Posted by Second Skin Rep View Post

    so in closing...
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  9. #414
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    Re: Carputer 101

    Well you are sort of correct.

    Pins 85 and 86 are used to power the coil inside the relay. One will be negative and one will be positive, since my alarm sent out a negative signal from the trigger to pin 86, I needed a positive signal going into 85. It is very common for alarms to have a negative trigger. Like I said a multimeter is your friend for this type of installation.

    However...if your relay has an internal spike suppression diode (this is not usually the case), then pin 85 must always be negative and 86 must always be positive since diodes only allow current to run in one direction.



    References : chaunb3400, Team H&K, diminishedpower, pickup1, sublime06, sporty_drew, JRock10, Jando86, sundownz

  10. #415
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    Re: Carputer 101

    Oh and while I'm here I'll chime in on the HDD issue, i know it's a few pages back, but oh well.

    I have my computer in a custom made MDF box. The HDD is mounted to the box by simple angle brackets, and it's mounted vertically. No special rubber mounts or anything. The case is bolted down to the trunk literally no more than a foot away from the cone of my subwoofer. The port and the cone fire directly into the computer. It was built very solidly, all the PCI cards are screwed into the case in multiple spots. Anyway, I've been blasting 1000W of ported woofer at it for several months now with absolutely no problems.

    As for temperatures, if it's below 10 degrees it's hit or miss, if it's 5 or below the computer usually won't boot. Give it 2 minutes though and it fires up just fine. From what I've heard, a laptop HDD will do the exact same thing, only at about 5-10 degrees lower temperatures. I guess if it routinely stays below 5 degrees during the winter where you live, it might be worth the investment to get a laptop HDD, but a remote start can easily be used to help alleviate the problem.

    As for the comment that laptop HDDs "handle the system better" or whatever... I don't really understand that. 3.5'' HDDs operate faster and have more storage, I've never heard of a laptop HDD that can compete with a regular sized one.



    References : chaunb3400, Team H&K, diminishedpower, pickup1, sublime06, sporty_drew, JRock10, Jando86, sundownz

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    Re: Carputer 101

    what kinda remote start do you have?



    Quote Originally Posted by Second Skin Rep View Post

    so in closing...
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    ANT
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  12. #417
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    Re: Carputer 101

    It's an AutoPage RS-720, it's a 4 channel car alarm with 2-way communication, pager, all that stuff...

    here's a link to the newest model of it

    http://www.autopageusa.com/t_inside....6-415b69298e0d

    it's like any of the viper or whatever systems



    References : chaunb3400, Team H&K, diminishedpower, pickup1, sublime06, sporty_drew, JRock10, Jando86, sundownz

  13. #418
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    Re: Carputer 101

    Anyone have the Creative X-Fi as their sound card in their car?



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  14. #419
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    Re: Carputer 101

    I don't have one, but what are you needing to know about it?



    References : chaunb3400, Team H&K, diminishedpower, pickup1, sublime06, sporty_drew, JRock10, Jando86, sundownz

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    Re: Carputer 101

    Quote Originally Posted by lil azn 06 View Post
    Anyone have the Creative X-Fi as their sound card in their car?
    If you are looking for awesome analog sound quality stay away from creative. There are much better sound cards out there.

    Read some of these reviews:

    http://www.cluboc.net/reviews/sound/...laro/index.htm

    http://www.cluboverclocker.com/revie...dian/index.htm

    http://www.cluboverclocker.com/revie...sion/index.htm

    http://www.nvnews.net/reviews/auzent...an/index.shtml

    http://www.digit-life.com/articles2/...lia/index.html

    http://www.bjorn3d.com/read.php?cID=1051

    I currently use a Prodigy 7.1LT.




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