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Thread: first post, phase one completed

  1. #1
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    first post, phase one completed

    so i'm new, and i just completed phase one of putting a desktop in my car. I just yanked all the factory radio junk and put in a sony CDX-M630 mainly cause it doesn't have a goddy looking ugly face(it's all black) and it has aux inputs. Just wanna check and make sure from some of you experienced guys, if my plans will work...

    sony headunit
    micro atx case under passenger seat(so i can have access to dvd drive, had a stock amplifier under there and there's about 4-6 inches of clearence so i'm pretty sure it'll fit, case probably custom build out of plexiglass)
    athlon 2500 w/a shuttle nforce2 mobo
    wd 40 gig hard drive
    bunch of fans
    and a kogi 14inch lcd monitor, mounted on a some type of swingarm to the center console(not really center console, but about where the passengers knee's would be)

    big questions, heat, will it be alright under seat with about 3-4 fans shooting the air out back
    and two, can a hard drive take very bumpy roads, our roads here are pretty ****ty ?

    btw, cramming all this in a 93.5 supra

  2. #2
    FLAC guitar333's Avatar
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    Doesnt sound too bad. although most of us around here use Via Epia motherboards because they dont take much power and are VERY small, but make sure you keep your system nice and cool, that athlon 2500+ could get pretty hot in that car when its running on a nice hot summer day, so a few nice fans and a good heatsink should fix that. As for the hard drive, i have a western digital hard drive also and ive had no problems yet. If you hit a good bump youll know it, the hard drive will reset and that will be when you know to do something to support it.

    what are going to use for power?

    good luck!
    92 Taurus SHO - Daily driver - Epia M10000 80GB 512mb 7" touchscreen, Opus PSU etc

    93 Black SHO - 30mpg cruiser

    90 Silver SHO - 419whp fun/project car, CarPC to come (for tuning)

  3. #3
    Maximum Bitrate
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    The Athlon 2500 draws alot of power. This will limit your power sources. Opus makes a 150W PSU specifically for cars with starup and shutdown controllers. But unfortunately, your cpu needs 70W from one rail, and the Opus does not put out over 70W on either the 5V or !2V rail and you still need power for the motherboard, hd, etc. You're now left with commercial dc-dc PSU, such as Keypower or inverter solution. But you lose the startup and shutdown controllers.

    Most of those 70W goes into heat and it will be a big problem. During the summer, the inside of your car get's pretty hot. I found the metal heat sink on my CPU to reach in excess of 60C. I don't know how forgiving the Athlon is, but my 2.4 P4 happily keeps chugging throttling if neccessary to cool down.

    The hard drive question has been asked before, search the forums for specifics and ways to reduce chances of failure. But short answer: the hd will survive bumps.

    My suggestions: I would try a different CPU. Either a slower athlon or switch to a P4. Less heat means less noisy fans. Less power means you may still be able to use the Opus PSU. If possible, try to squeeze a smaller touchscreen monitor into the dash for a cleaner more stock look.

  4. #4
    jol
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    FLAC jol's Avatar
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    why the do ppl want a gaming pc in their car!?!
    settle with a ghz duron ffs!

  5. #5
    Maximum Bitrate
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    I play GTA Vice City and Enter The Matrix while waiting in Atl traffic.

  6. #6
    Maximum Bitrate
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    Either that, or kick down the FSB to 133 or even lower to 100MHz.

    Although the PC will be slower, it will draw a lot less power. Since the 2500+ is a rev B core, this may be the best thing to do...

    -Mario

  7. #7
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    Originally posted by m3rdpwr
    Either that, or kick down the FSB to 133 or even lower to 100MHz.

    Although the PC will be slower, it will draw a lot less power. Since the 2500+ is a rev B core, this may be the best thing to do...

    -Mario
    ya, the processor is dirt cheap...

    can i not just throw a bigass inverter on it for power ?

  8. #8
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    You could, but more heat will be created.

    I would suggest to under-clock it first and see how everything runs.

    Everything should run fine, it's a matter of maybe if you plan on playing a game or something.

    If it runs fine at a 100MHz FSB, you may than be able to successfully run an Opus 150, depending on what else you're powering for devices. (USB, etc.)

    -Mario

  9. #9
    Low Bitrate theedge's Avatar
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    Slower CPU.

    One bad bump and your heatsink can pop off (happens more often than you think). That CPU will last litterally SECONDS without a heatsink.

    Get a Duron if you dont want to switch mobos. If you havent bought anything yet, go out and get an Epia board.

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