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Thread: i need YOUR help picking out a DC-DC PSU

  1. #1
    Maximum Bitrate jusatry's Avatar
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    Question i need YOUR help picking out a DC-DC PSU

    i just re-read the title and it sounds like the army....we need YOU to fight....

    anyway

    im trying to pick out a DC-DC PSU. Obviously i have read everywhere and 1 million times about Opus, BUT, i already have a muchas shutdown controller and dont need a startup control. I plan on using a momentary switch to start when i want, in case i want to start the car but not the computer.

    My specs are as follows:

    EPIA M9000 (not on the mini-box wattage calculator )
    20 gig 2.5" HD
    Lilliput 7" TSK (but the lilliput is powered by its own regulator)
    Creative USB External MP3+ soundcard (bus powered)
    whatever ram is cheapest (prob a 256 meg stick)
    Slimline DVD drive.

    I would someday like to add GPS.

    So I used the mini-box power estimator and it came up with 42 watts as teh ablsolute max for power consumption - while watching DVDs. So i was thinking a 70 watt power supply like Jeff Mucha's MPBS1 because it is small (size of a deck of cards).

    I already have a radio shack 60 watt regulator (for my casetronics C134 case) which is getting scrapped for parts and the case is being sold. So i was thinking i could use this with a PW70 but then i read that it really only puts out 45 watts or so....

    i checked the muchas PSU oon each rail against what the mini-box power estimator said i would need and it looks like i will be using more amps then the PSU puts out on the +%SB rail....but i dont know what that means....will it not work if this is the case?

    I'm really confused about waht to get because there are those insdustrial 250w PSUs, but i dont think i need that - help me out here guys!!

    Im a bit concerned about the MP3+ drawing alot of power...i assume the TSK doenst take much....(since the %V rail is where i seem to have problems.)


    Thanks for all input!

  2. #2
    Variable Bitrate Cyberphox's Avatar
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    New Glasgow, Nova Scotia, Canada
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    Selling a C134 case? Hello...I'd be interested in that!! As far as PS goes, can't beat the 90w Opus

    Quote Originally Posted by jusatry
    i just re-read the title and it sounds like the army....we need YOU to fight....

    anyway

    im trying to pick out a DC-DC PSU. Obviously i have read everywhere and 1 million times about Opus, BUT, i already have a muchas shutdown controller and dont need a startup control. I plan on using a momentary switch to start when i want, in case i want to start the car but not the computer.

    My specs are as follows:

    EPIA M9000 (not on the mini-box wattage calculator )
    20 gig 2.5" HD
    Lilliput 7" TSK (but the lilliput is powered by its own regulator)
    Creative USB External MP3+ soundcard (bus powered)
    whatever ram is cheapest (prob a 256 meg stick)
    Slimline DVD drive.

    I would someday like to add GPS.

    So I used the mini-box power estimator and it came up with 42 watts as teh ablsolute max for power consumption - while watching DVDs. So i was thinking a 70 watt power supply like Jeff Mucha's MPBS1 because it is small (size of a deck of cards).

    I already have a radio shack 60 watt regulator (for my casetronics C134 case) which is getting scrapped for parts and the case is being sold. So i was thinking i could use this with a PW70 but then i read that it really only puts out 45 watts or so....

    i checked the muchas PSU oon each rail against what the mini-box power estimator said i would need and it looks like i will be using more amps then the PSU puts out on the +%SB rail....but i dont know what that means....will it not work if this is the case?

    I'm really confused about waht to get because there are those insdustrial 250w PSUs, but i dont think i need that - help me out here guys!!

    Im a bit concerned about the MP3+ drawing alot of power...i assume the TSK doenst take much....(since the %V rail is where i seem to have problems.)


    Thanks for all input!
    Technology, Gadgets and Making Money Online
    http://www.genemills.ca

  3. #3
    FLAC
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    Washington D.C.
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    The 90 watt OPUS will work well with your setup.

  4. #4
    Newbie Providence's Avatar
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    Feb 2004
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    Dallas, TX
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    40
    Is there a 200 watt Opus or ITPS that is available? Better safe than sorry for me.
    Providence is borne on the breath of prophecy.
    P4 2.66 | 1024 MB PC3200 | 4x Memorex DVD+RW | Memorex 52x24x52 CDRW | 200 and 60 GB HDDs | Antec 400W PSU

  5. #5
    Maximum Bitrate jusatry's Avatar
    Join Date
    Nov 2003
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    Yeah, ,i knew the 90 watt opus would work, but i already have a shutdown controller and dont need a startup, so paying the extra money for those features and losing space seemed a bit impracticle. Also, Zip-Lock had not posted that they were for sale @ mp3car.com at the time when i posted. I ended up getting the arise 100 watt psu. Link here: http://www.arisecomputer.com/ps/mpd810.asp

    As far as the C134 case goes, i will be sure to psot it here at the classfieds before i go to ebay and give any mp3cargoers a shot at it first!

    Thanks for the replies!!

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