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opus dcx6 360W, Help!

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  • opus dcx6 360W, Help!

    i have an opus dcx6 360W DC-DC vehicle converter. I've put my carputer together and tested everything with a regular PC power supply before removing said power supply. I then installed the DC converter and hooked everything up accordingly. I have the carputer set up on a bench with my dc power supply that puts out 12.5V and capable of 24amps.

    The Dcx6 jumper settings are as follows:

    Startup voltage is set to lowest as possible (no jumper)
    Im operating is IGNITION MODE (no jumper)
    2 pin "P/S ON" wire from dcx6 to motherboard
    All yellow input wires are connected to 12v
    all black ground wires connected to ground
    RED Acc. (ignition) wire is connected to 12v

    when i turn the power on and wait 10 sec (for delay) the motherboard fans come on for 2 seconds then shut off. it goes back to standby/idle mode. I noticed the dcx6 is by default in ATX mode.

    for the hell of it i put a jumper on the pins that switch it to AT mode. now when i power up the unit I get a solid LED indicator and the fans stay on the mobo "appearing" to work correctly. except i hear no power on beep from BIOS and I have no video display. what am i doing wrong? what is a mini-itx motherboard considered to be for power requirements, AT or ATX? I've got something wrong...

  • #2
    Does the PC power up when using a standard ATX power supply?

    What are your hardware specs for the PC?
    Have you looked in the FAQ yet?
    How about the Wiki?



    Under normal circumstances, a signature would go here.

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    • #3
      yes

      yes it does boot up with a regular computer power supply. I am using a Zotac miniITX Geforce 8200 wifi. athlon 3.2Ghz 65W, 2GB ram, 500gb 7200rpm Laptop HDD.

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      • #4
        i know you have the jumpers set to the lowest re: startup/shutdown voltage, but have you tried it with the car running vs. not?

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        • #5
          no, i dont even have it in the car yet. its on a bench power supply thats more than adequate voltage/amperage. but im not even getting a low power indicator from the led. the led just shows standby/idle mode. 1 flash every 5 seconds. it appears to power on for a few seconds then goes back to standby. no error or failure code...just back to idle/standby.

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          • #6
            hmmm...it should have no problems powering what you have. I'd give the Opus guys a call...they're smart and helpful.

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            • #7
              just called, seems i have stumped them on this one... he's going to call me back.

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              • #8
                Originally posted by sagacious View Post
                for the hell of it i put a jumper on the pins that switch it to AT mode. now when i power up the unit I get a solid LED indicator and the fans stay on the mobo "appearing" to work correctly. except i hear no power on beep from BIOS and I have no video display. what am i doing wrong? what is a mini-itx motherboard considered to be for power requirements, AT or ATX? I've got something wrong...
                this ^ almost sounds like you do not have the 4 pin procesor power connector connected. or the wrong memory.

                also, i don't see any rsponse to if the motherboard will power up with a normal power supply--maybe try that to make sure that it is a opus power supply issue? edit: nevermind...
                My OLD 2001 Mitsubishi Eclipse GT:
                "The Project That Never Ended, until it did"


                next project? subaru brz
                carpc undecided

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                • #9
                  Originally posted by soundman98 View Post
                  this ^ almost sounds like you do not have the 4 pin procesor power connector connected. or the wrong memory.

                  also, i don't see any rsponse to if the motherboard will power up with a normal power supply--maybe try that to make sure that it is a opus power supply issue? edit: nevermind...
                  yea, that was my first assumption about the 4 pin. proc power. but it is properly seated and of course only fits one way. there is another 4 pin on the opus that isnt being used and doesnt fit the proc power connector. i guess thats for added video card power? my desktop uses this but i havent compared the connectors. nevertheless it doesn't fit anything on the mobo. but yea this all worked with a standard pc power supply before hand.

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                  • #10
                    From what I can remember I had some similar issues when I first installed my DCX6-360... I contacted Opus and found that they had a Firmware update and the manual on the site is still for the older versions. I have firmware ver. 30 and they sent me an updated manual along with a .doc file with some other changes.

                    If you hold the PSU with the Input power on your left and the output on your right, look at the center of the board then up and left a tad and there is a yellow box with a handwritten number on it... that the firmware version. Also, if your jumper blocks don"t line up the same as in the manual you also know its a different version. On my second jumper block I have numbers 7-12 using up all the pins. In the manual its only shows 7-10 and it excludes the outer 2 pins.

                    If this is the case for you let me know and ill send you the updated info Opus sent to me.

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                    • #11
                      could you send me the details please? i just purchased this PSU myself.

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                      • #12
                        This was an email sent to me from Opus Tech Suport
                        Hi,

                        It seems to me that your power supply has firmware 30 loaded. Please verify this firmware by finding two hand-written digits in black ink on power supply.

                        For firmware 30, pin 7 of JU2 is used to configure remote output turn-off.

                        When pin 7 of JU2 is not loaded with jumper, remote output will turn off 10 seconds after ignition is swithed off.

                        When pin 7 of JU2 is loaded with jumper, remote output will turn off 10 seconds before shutdown delay (set by jumpers on pin 1,2,3 of JU1).

                        Pin 8 of JU2 is used to set start-up and shutdown voltages for 12V / 24V input. You load this pin only if your input voltage is more than 20V and you want to start up at 20V or higher. Please remove this jumper for input voltage below 20V. Start-up and shutdown delay voltages are always effective for 12V / 24V as described in userís guide.

                        For the second issue, please follow steps below to troubleshoot it:

                        1. Remove any jumpers loaded on JU2 except on pin 7 for your remote function if you need.

                        2. Connect all wires as described in userís guide for ignition mode.

                        3. Go to BIOS and set PWRON AFTER POWER FAIL OFF.

                        4. Turn on the ignition switch.

                        If the PC wonít turn on, please record the number of blinks the LED status light indicates and the time interval between two consecutive blinks.

                        Please try Push-button mode if ignition mode fails:

                        1. Power off your system completely.

                        2. Load a jumper on position 9 of JU2.

                        3. Remove the power switch cable (White and Green) connector from the main-board and place a push-button switch in its place.

                        4. Power up the system. Do not turn on the ignition switch since we donít need it in push-button mode.

                        5. turn on the computer with the push-button switch. If it boots up fine then try to turn it off.

                        Please let me know how things go. I also include the userí s guide and power supply mode configuration for FW30. Please see files attached.

                        May I have your contact number so that I may call you when needed for more troubleshooting.

                        Thank you.

                        Tech. Support
                        Attached Files

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                        • #13
                          Did this solve the issue. I am facing the same problem.

                          Most of the setup is complete and my carPc is in the final testing stages. It is working fine at home through the domestic 220V PSU.
                          I decided to test it thru OPUS360 and therefore connected it through my inverter at home. Since it is a dual battery setup so I changed the OPUS jumper for 24V input. The measured voltage on batteries was 27V.

                          Scenario 1
                          Now when I connected CarPc thru Opus, I noticed a funny behaviour when the accessories line was switched on - Both the fans (CPU and case) start spinning, PC light glows constantly, USB lights glow constantly and nothing happens (pc does not boot up).
                          I wait for few minutes and still nothing happens.
                          Then I disconnect the accessories and the Pc starts booting and PC light starts blinking (showing HDD activities), but few secs after accessories wire is removed OPUS does a hard power cutoff and PC gets abruptly powered off.

                          On my second jumper block I have numbers 7-12 using up all the pins. In the manual its only shows 7-10 and it excludes the outer 2 pins.
                          Same here...
                          The handwritten version here say 30

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                          • #14
                            Where did you get an inverter? I'd love to be able to hook up the Opus in the house and test it before it goes in the car.

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                            • #15
                              The information posted by BratNetwork was very helpful in sorting out the problems. In addition to wrong Jumper settings I also had some kind of short happening when Opus was attached to the case. Taking the PSU out of the case fixed the issue, I re-installed it with insulated base.

                              SenatorIvy, I am using the PSU (typical one in a desktop PC) that came with the case for domestic use.

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