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Thread: opus not starting with car

  1. #1
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    opus not starting with car

    i have the opus 150 plugged into the Asus Pundit R...the opus is also powering my screen. works fine as long as i feel like getting out of the car to turn the computer on becuase i had no where to plug the power switch cable off the opus to. then i read the thread about here about soldering to the bottom of the pundit r board's power switch. so i did that and then when i plug it in right when i connect the opus the fans spin and everything for a few seconds then stop and nothing works. even if i press the power button nothing works. Whats the deal? how do i make it so when i turn the car on the opus turns on and the computer boots?

  2. #2
    Maximum Bitrate v8 scimitar's Avatar
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    I must be missing something here, why cant you just connect the yellow power wire to a switched wire on the ignition like it should be?

  3. #3
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    the yellow wire is connected to the Acc. line

    however off the opus is a green and white cable that is supposed to plug into the mobo for the power button...the Asus Pundit R computer i have uses a power switch that isnt via a cable to the mobo, it is directly conected to the motherboard, so i cannot plug that power switch cable out of the opus into anything so that it sends the turn on command to the computer when the car is started

  4. #4
    Neither darque nor pervert DarquePervert's Avatar
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    So take the power button off the wires and splice them into the motoerboard connector with the green/white wires.
    Have you looked in the FAQ yet?
    How about the Wiki?



    Under normal circumstances, a signature would go here.

  5. #5
    Raw Wave tj!2k4's Avatar
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    try reversing the end that connects to the opus.

  6. #6
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    the button is directly on the motherboard, its hard to believe but its like right on the board and i have no way to get to it ? solutions anyone? -

  7. #7
    Super Moderator. If my typing sucks it's probably because I'm driving.... turbocad6's Avatar
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    treat it like a laptop & solder to it.... sounds like the only solution to operate the power switch remotely...

    if that's not possible (it has to be) then a last resort will be a mechanical device to push the switch... a door lock actuator & a cam can do this, or my favorite is an idle solinoid from an old gm carburated car.... used to call them idle kickers.... a small electrical plunger that used to kick the idle up slightly when the a/c was engauged... used mostly on 6 & 4 cylinders.....push any switch it's mounted in front of really..... but soldering is definatley the way to go....

  8. #8
    Maximum Bitrate v8 scimitar's Avatar
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    so if this mobo was in a normal case how would you switch the pc on? I dont know the board so this is an honest question

  9. #9
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    the mobo is a barebone system (Asus Pundit R) it wont function in any other case other then the one it came with. i tried soldering it, my skills arent too great, but it didnt seem to worki just cut the green and white cable out of the opus and soldered the green and white to the bottom of the mobo...if anyone has the asus pundit R and soldered it correctly can you post pictures of how it is done on here?

    also, does the opus need some kind of configuration to work right because like i said after i did the solder and connected it and everything it turns on, all the fans spin for a few seconds, then shut off

  10. #10
    kuo
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    Variable Bitrate kuo's Avatar
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    post a picture of the button on the mobo.
    my car: 2003 g35 coupe, 2.5ghz c2d cpu, gigabyte micro atx mb, dsatx
    wife's car: 2004 honda accord coupe 2.4ghz p4 cpu, asus micro atx mb, opus 150
    company car: 2006 chevy avalanche 2.0ghz p4 laptop, cnx p1900

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