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what would stop me from using opus 150W PLUS another PSU if that wasn't enough?

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  • what would stop me from using opus 150W PLUS another PSU if that wasn't enough?

    I've been on the fence about getting an OPus 150 to power a micro atx board like the Asus A7N8X-VM, but I've been afraid that with a few extra USB devices it might not cut it. Well, if after I set this all up and over time I add more USB devices than the Opus can take, could I just simply add another smaller, cheaper PSU like the M1-ATX or Carnetix or something to power the additional devices?

  • #2
    Yes, you should be able to. There was another recent thread asking parallel PSUs, and I recall google yielded some good results.

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    • #3
      a nuclear bomb would stop you!

      The M1-ATX would be a good choice as you can buy it fromt he mp3car.com shop ( ) and it has very configurable startup/shutdown features and is cheap. It can be set up to act as a slave to the Opus i believe. The manual can be downloaded from the store. Alternatively, if you jsu tneed 5V fot usb devices then build/buy a good quality 12V to 5V regualted DC-DC converter. There are some PSU projects around - see what regulators they use.

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      • #4
        If all you're worried about powering is additional USB devices, just buy a USB hub that runs off of a 12v "wall-wart" power supply. Then cut off the wall-wart and solder on a cigarette-lighter end and plug it right into your cig lighter. Voila! You've got USB devices powered from the hub rather than the Opus.
        So far:
        M10000 Nehemiah, 1Gb RAM, Opus 90w PS, Buffalo Tech WLI2-USB2-G54, 160 Gb HDD, GlobalSat BU-353 GPS, iGuidance, Zippy EL-610, Panasonic CW8123B Slim Slot CDRW/DVD, 10" Lilliput, Sony XA-300, Sony CDX-MP30 Head, OBD-II

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        • #5
          Originally posted by tom2112
          If all you're worried about powering is additional USB devices, just buy a USB hub that runs off of a 12v "wall-wart" power supply. Then cut off the wall-wart and solder on a cigarette-lighter end and plug it right into your cig lighter. Voila! You've got USB devices powered from the hub rather than the Opus.
          I smell smog some where
          Just make sure that the device can handle the variation/fluctuation of car voltage.
          2004 Matrix XR A7N8X-VM/400 AMD XP-M 2500+, DS-ATX
          89 Supra Turbo P3 [email protected]/Abit BE6 II, Alpine M-BUS Car2PC.
          Y2K Accord Dell GX150
          RoadRunner is the best FE PERIOD
          EmoRebellion is a SCAMMER

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          • #6
            plus most usb hubs need 5V, not the 12V that your car will deliver...

            if that's the case, prepare to say goodbye to the hub, and possibly any devices attached

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