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Thread: Can someone double check my Opus wiring please

  1. #1
    Variable Bitrate Bailey's Avatar
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    Can someone double check my Opus wiring please

    It's on the kitchen table connected to a fully charged car battery.

    Positive to positive.
    Negative to negative.
    2 pin power wire connected from Opus to MII

    I splice the ACC-ON wire to 12v positive, nothing happens. I don't see a green LED lit up either. I can't even find it on the Opus, it's definitely not lit up though. Fuse is not blown.

    I have a meter thing from Radioshack, but silly me... I don't know how to use it to see if the Opus is getting power.

  2. #2
    Constant Bitrate cbergeron's Avatar
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    Step 1:

    Connect the black wire from the radio shack "meter thingy" to the negative pole of the battery

    Connect the red wire from the radio shack "meter thingy" to the +12v pole on the battery.

    Turn on and set the meter for "DC volts" (on mine it's DC v with a line and dotted line beneath it).

    You should read 14.4 or something similar.

    What does it say your battery voltage is?
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  3. #3
    FLAC Chairboy's Avatar
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    Also, try reversing the two wire connector that's hooked to the power lead on your motherboard. It's actually polarily dependant, and exhibits the exact symptoms you listed.

    I know, it sounds dumb, but it's real.
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  4. #4
    Variable Bitrate Bailey's Avatar
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    I hate when I do stupid ****. I feel like deleting this thread. Maybe it could help someone in the future.

    The pos and neg wires were like 100 guage (I'm exaggerating) I just read the opus specs (requires at least 12 gauge) so I used some spare car audio wires, and it booted right up. Now I can't get it to shut down!!

  5. #5
    MySQL Error Scouse Monkey's Avatar
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    Quote Originally Posted by Chairboy
    Also, try reversing the two wire connector that's hooked to the power lead on your motherboard. It's actually polarily dependant, and exhibits the exact symptoms you listed.

    I know, it sounds dumb, but it's real.
    was just about to suggest that when i looked at the opus wiring diagram. I always get that the wrong way round when i build PCs. Guess i should properly!

  6. #6
    Variable Bitrate Bailey's Avatar
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    Now I can't get it to boot up again, but at least I have the LEDs to look at. 2 flashes. I have no idea why. I disconnected the cable to the battery to make everyhting shut down, I couldn't do it from the computer itself. When I removed the ign wire the opus stayed powered. It was set to 20 minutes, I ain't waiting.

    Before I shut it down I reset the CMOS settings to defaults. After I shut it down I connected 2 IDE devices and removed the pin that makes it stay on for 20 minutes. I power it up, the keyboard lights flash, then it shuts down and the Opus gives me 2 flashes.

    W T F.

  7. #7
    Variable Bitrate Bailey's Avatar
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    2 flashes:

    The computer power up sequence failed.
    Reasons:
    1. Check wiring to 2 wire pwr-on switch. CHECKED.
    2. Check ATX motherboard BIOS settings. CAN'T SEE THEM.
    3. Locked up motherboard or software crash of bug. MAYBE? HOW DO I FIX IT?
    4. Faulty DC-DC PSU. NOT GONNA LIVE WITH THIS ONE.

  8. #8
    Variable Bitrate silencery's Avatar
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    try removing any peripherals you have connected to the mobo. I had a problem w/ the opus when the HD wasn't hooked up properly.

  9. #9
    My Village Called 0l33l's Avatar
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    Did you flash the bios

  10. #10
    Variable Bitrate Bailey's Avatar
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    Quote Originally Posted by silencery
    try removing any peripherals you have connected to the mobo. I had a problem w/ the opus when the HD wasn't hooked up properly.
    I have removed all devices, and put the jumpers back, so everything should work the way it did originally.. but it's not. I fear it's the changes I made to the BIOS.


    Quote Originally Posted by 0l33l
    Did you flash the bios
    No, I reset the settings to Default. My mobo was purchased used and I didn't want any of the previous owner's settings interfering. Looking back on it, it may not have been such a good decision.

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