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Thread: New Carputer

  1. #1
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    New Carputer

    Hey all,

    Just want to say first this site is great, has lots of info and gadgets to help use out with, and lots of people to help with construction.

    ok on to the subject:

    I had a carputer in my other car, it was an 800mhz laptop with a composite monitor with a touchscreen add on (I know why would I do that, but it worked) anyways I am designing a new one with the following:

    At least a 2.4 Ghz with 2 gigs ram tower (dont have)

    3 vga touch screens (don't have)

    USB to VGA allows multiple VGA monitors on one pc:
    http://usb.brando.com.hk/prod_detail.php?prod_id=00536

    Sound:
    http://usb.brando.com.hk/prod_detail...015&cat_id=042

    Roadrunner front end

    VirtualBox allows running of multiple os at the same time, plus will allow the designation of any and all USB devices

    I will be running full WinXP on the main monitor up front and 2 virtualboxes directed to each monintor, one for each rear seat which should allow all three monitors to do seprate things. In theory this should work.

    now for the questions,
    1. Has anyone every tried this?
    2. My biggest concern is the touch screen (mouse control) working with multiple monitors how it might react.
    3. On a tower pc what would be the best way to power it?
    4. Hard drive vibration, how to minimize it or not to worry about it.
    5. Temature concerns due to living in NY, can get cold here.

    Any help will be greatly appreicated.

    Thank you,
    Romay
    Criminals do not die by the hands of the law. They die by the hands of other men.
    George Bernard Shaw

  2. #2
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    couple things I can put in here, can't answer it all though
    For your touch screen mouse control concern, it'd work the same way if you used two fingers on one touch screen... it'll jump around.. if two people clicked something at the same time, one of them will work, depends on who got to it first
    Powering would be best with a DC-DC converter, such as the one I use, M2-ATX.. it'll give you shutdown controllers and such too

    HD vibrations I'm looking into right now too, because I'm planning on building my carputer into my sub box. One of the ideas that has been tossed to me is mounting it onto something that is already as solid as possible, then using vibration absorbing foam, like Dynamat

    Temp, I live in Canada, same concerns here. I've been told it's not too much of a concern, but I'm thinking of integrating a circuit into my car so whenever I plug my block heater in, it also powers a small USB cup warmer or something, in the box, so it keeps a certain level of heat in the immediate area.

  3. #3
    FLAC WuNgUn's Avatar
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    I'd seriously reconsider the USB sound, unless you don't mind crappy audio.

  4. #4
    Variable Bitrate rijk's Avatar
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    Quote Originally Posted by Esona View Post
    HD vibrations I'm looking into right now too, because I'm planning on building my carputer into my sub box.
    Do you think a cpc likes the big magnet of your sub?


    maybe the dg45fc is somting for you, onboard sound is great, you don't need that crapy usb thing, before this board i used a u46dj for the sound, but i must say the dg45fc sounds better. And the intel supports the dual-core

  5. #5
    Who am I? HiJackZX1's Avatar
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    Quote Originally Posted by WuNgUn View Post
    I'd seriously reconsider the USB sound, unless you don't mind crappy audio.
    I know that USB audio has its issues, but to say its down right crappy is a bit much. I know a few that have it working successfully. I will admit in my install, I had to much of a mission with it and had to sell it, but the person that bought it says its great. If you have minimal USB devices, then id say its ok. If you have alot though like mine, stay far away. If you are looking for audio thats close to perfection also, go with a PCI slot SoundCard.
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  6. #6
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    A full blown tower PC is going to be a PITA to power, I would go with a Pentium M mini-Itx setup for what you are wanting to do - easier to find the right power supply and run cables.
    As for your harddrive worries take a look at SSD's, vibration and temps will not be an issue then.

  7. #7
    And then I was mod. Tidder's Avatar
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    Not true, you could power a full tower with an M4-ATX with probably no problem.

    I'd seriously reconsider the whole setup however. First of all, running one real OS and 2 virtual, you'll need more than 2gb ram, otherwise you're gonna be swapping like crazy, and the thing is gonna be slow as hell.

    Why not build 3 separate machines, use say the intel D945GCLF2 motherboard with the dual core atom processor, and using an M1 or M2-ATX to power them? I would think you'd spend the same or maybe even less than trying to build 1 machine that can run 3 OS's smoothly.

    Also, virtualbox, vmware, virtualPC, these don't have any type of graphic acceleration iirc, so even simple things like navigation, watching movies, playing simple games will probably not work worth a darn.

    I think with your setup you're asking for trouble. But then again you didn't give any reasons as to why the extra touchscreens and virtual machines.

    EDIT: And VirtualBox USB support SUCKS!
    EDIT2: Holy crap, you'll spend almost as much just on USB VGA adapters as you would on those Intel Motherboards!
    Tidder

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    The best resurrected frontend I've ever used, period.

  8. #8
    Who am I? HiJackZX1's Avatar
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    I know this is going to sound sooooooo newbie, but what is a virtual machine? Isn't it like a machine that pretends its something else? I'm wondering why you need all that too! The touch screens though could be for multiple users. My truck will have 5 if I can get around to designing the dumb front screens.

    I just read Tidder's post! and he drew my attention to the USB to VGA....... That is going to slow you PC down so bad..... The way I installed my 5 is with 2 out puts on my onboard graphics card. The main front screen is connected to the VGA port. Then all the others are connected to the DVI port. Basically I have a DVI cable running to a DVI-VGA converter, then from there, a powered VGA splitter. The 2 dash top screens run directly to the splitter and the 15" inch and 3rd row 7" run from the splitter via VGA extension cables. I then had to use a special touchscreen software that tells what touch panel does what with what screen. I think your trying to run different things on all 3 screen? That isn't going to work, the limitation of most touchscreen drivers only allow 2 displays, on my setup the front screen is 1 and all other screens are 2. Who knows though, they may have come up with different things?!

    PS: to get RR to work on multiple screens, your going to have to have multiple instances running of it, that may be CPU intensive. CF is the only front end that is being designed to allow for multiscreen, and multiple soundcard use. So if the rear people do not want to hear the music the front is listening to, they have the option to route to their own soundcard. I have the second soundcard connected to a I/R headphone transmitter.
    Nirwana Project, the Android/Win 7 hybrid system!

    1X Ainol Novo Flame Tab
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    3x 7 inch Screens
    1X 7 inch motorized Screen
    1x Win 7 PC

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