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Thread: Thinking of switching over to M-Atx - how much power?

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    Newbie OrangePeel's Avatar
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    Thinking of switching over to M-Atx - how much power?

    Hi

    For a while my Epia-V800's been coming up for extinction from the car, since it's just too slow for some stuff... I was going to go to an Epia-M, but now I'm wondering if I should just retire my old desktop board to the car, since there isn't really a space constraint...

    It's a Duron 1.3GHz on a Gigabyte M-Atx motherboard. Does anyone have any idea how much power something like that might chew? In other words, would it work on an Opus 90w? I would run it with PCI sound and AGP Voodoo3 video card, 5400rpm 40GB Seagate disk, and a few USB devices...

    Just thought I'd get an idea.... Save me having to chop up molex connectors to add my ammeter


    Thanks
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    Variable Bitrate vcbb5's Avatar
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    Raw Wave god_of_cpu's Avatar
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    I have a mAtx with onboard Geforce 4, a Anthlon 2000+ and 7200 RPM harddrive and several USB devices and it draws about 7 amps or 90 watts when running at full processing power, I use a 150 watt OPUS without problems.
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    Newbie OrangePeel's Avatar
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    Hmm.. That first calculator reckons I need 238W... I think that thing must really err on the upside! The case it's currently in has a 250W PSU, and it has 3 HD's.. According to that calculator when I plug in what's in there.. 357W.. Oh well. I'm not worried

    I changed my order to an Opus 150W. I guess that gives me enough power if I do take that path... Hmm.. Epia or Duron.. Hard choice!
    89 Celica, CarPC installed, 1st bday :)
    http://www.fishy.net.nz/carpc/
    • MediaEngine
    • Epia V8000
    • 80GB WD 7200RPM HD
    • Xenarc 700TS
    • SB Live
    • Opus 90W
    • CIMR100 remote
    • Deluo serial GPS
    • D-Link USB radio wired to power antenna

  5. #5
    Confusion Master
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    I have on test a Micro ATX board with AMD XP2000, 256K memory, 2.5 harddrive and a laptop DVD rom, all running on an opus 150W, seems fine at present.

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    Variable Bitrate
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    I like this calculator best http://www.mymp3car.com/MP3Car/PSUpower.asp
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