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Thread: Opus 150W - 1 week later impressions and questions

  1. #1
    Raw Wave RoyN's Avatar
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    Opus 150W - 1 week later impressions and questions

    Hi All,

    Last week I finally installed my Opus 150w to my Athlon 1.3Ghz ASUS mb computer.

    Initially I had problems because the mobo pulls more than the 6.5peak amps the opus supplies on the 12v rail, but I underclocked the CPU and it worked...

    Now occasionally I have still a few problems:
    - I observed that once I happened to leave my car for about 2 hours, when I came back my car almost didnt crank... when the display lit up I found what looked like a hang on hibernate (that is my action when the power button is pressed)... I noticed that my GPS still had a lock, but I dont know if this is normal, but the computer "should" have been off....

    - Occasionally the computer has a problem booting, and if it looses power during POST the next time it boots it brings up the bios (PITA), and then I need to remove the power from the opus and then re=power it...


    My main complaint is that the opus doesnt seem to cut the power to my mobo at all... It only shuts it down... how can I make it cut power completely after say 30mins?! I really feel it should already do this!

    Also, I have a switch that cuts the 12v from my battery to the opus near the driver area, what other switches should I add to have full control? IGN switch (to fool opus about switching the ignition? sometimes if the ignition is on and i power the 12v off then on, it doesnt re-powerup....) and then also a RESET from the mobo (incase the mobo freezes, since the opus doesnt cut power ever)...


    Overall the opus is much better than the inverter I had before, but for the price I think it should have been "smoother"

  2. #2
    Tainted Love Cris's Avatar
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    Well, you could check the BIOS settings for the peripherals being powered after the computer is turned off. Too bad that you can't do that with the M10000, btw. But thta's hardly a problem, as the PSU will only power the USB harware you have, and those draw a small amount of power, thus keeping the USB still powered (not a problem).

  3. #3
    Raw Wave RoyN's Avatar
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    Well apparently everything was still powered in my case as what I got was a "frozen" image of road runner, with all sorts of weird lines, as if the graphics had crapped out during hibernate and the machine didnt shutdown...

    When I cut the opus power it all went to black as usual....

  4. #4
    Variable Bitrate lerandell's Avatar
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    Hey RoyN,
    Thanks for the write up. It really helps those of us who are looking to buy one and nned to know the ups and downs about it.
    Randell Kelly

  5. #5
    Variable Bitrate lerandell's Avatar
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    I just had a thought that may help. Not sure if your Land Rover has this but my Ford truck has a system that will turn off the power to things like, dome light hood light, glove box light... after 30 min or so. if your truck does that you could use that circuit as a control to a relay powering the opus.
    Randell Kelly

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    Raw Wave RoyN's Avatar
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    I dont think the LR's have that... and to tell you the truth I dont see why I should have to do yet another thing after getting the opus for 200$.... oh well... I'm going to wait a while and see if I really need something like that...

    I hope I dont after $200 worth of powersupply! ehehhe

  7. #7
    Raw Wave EsKALad's Avatar
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    I'm having this same problem myself with startup and shutdown and I'm almost 100 percent sure I'm not going over 6.5a on 12v rail

  8. #8
    Raw Wave RoyN's Avatar
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    What problem?

    If you see my post I got over the 6.5a problem by underclocking my CPU... if it requires more than 6.5A it just doest ever work... the other problems are related to not powering down completely, NOTHING to do with the 2nd problem.. at least not apparently... what problem exactly are you reffering to?!

  9. #9
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    Bugbyte's Avatar
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    I don't have an Opus but it MUST have the same feature as my Carnetix -namely, that it will pull all power to the PC after a preset time. In my case, it's 45 seconds, or you can set it to longer (I think 10 minutes) if you want. The stated purpose of this is to prevent exactly what happened to you - hang on hibernate or shut down.

    Check to make sure there's not some kind of setting for that on the Opus.
    Quote Originally Posted by ghettocruzer View Post
    I was gung ho on building a PC [until] just recently. However, between my new phone having internet and GPS and all...and this kit...Im starting to have trouble justfiying it haha.
    Want to:
    -Find out about the new iBug iPad install?
    -Find out about carPC's in just 5 minutes? View the Car PC 101 video

  10. #10
    Raw Wave RoyN's Avatar
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    There is a shutdown delay setting through jumpers, but I understand that is for Time until the opus sends a "pwr-button press" to the mobo... mine is currently at the default 10secs

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