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Thread: EPIA CL10000 - constant reboots

  1. #1
    Constant Bitrate
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    Exclamation EPIA CL10000 - constant reboots

    help!

    My CL10000-based system has been running virtually perfectly since I put it together into the Casetronic C150 case (powered off the AC brick). Just this weekend I finally got around to trying to install the system into my car. I am using an ITPS and the power supply that comes standard in the C150 case (~60W) - I can't use the PW120 because it doesn't fit in the case (it interferes with the slimline CD drive).

    So I got the power to the ITPS wired in and tried it in the car. When I turn the ignition to ACC (without starting the car), the machine turns on after a couple of seconds as it should, but did not fully boot and I had no video output. However, if I actually started the car everything booted up fine and seemed to be working great. I figured there was just not enough juice supplied to the carputer when the car is not actually running. fine.

    So I disconnected it and took it back in the house because I needed to install some more software. I plugged it into the AC brick, booted it up, and it loaded up into Windows. A few minutes later, it just instantly rebooted for no reason. Then from that point on the machine spontaneously reboots itself, often before even getting through POST. I have cleared the BIOS, which usually gets the boot to last a little longer, but if I modify any settings or try to boot off a CD or something, it will start this rebooting all over again and I have to clear the BIOS again.

    I did not change any hardware or anything, except for the power connectors, before the machine started acting up. I am running the latest BIOS, which I have been doing since I originally built the system. Now I can't get the system to run smoothly without a reboot within a few minutes at most. Has anyone ever seen this or can recommend something? Should I try to go back to the previous BIOS version? I have a feeling, though, that the flashing operation may get cut off because of these reboots, and then I'd be screwed for good. Someone please help me!

  2. #2
    Variable Bitrate choyak's Avatar
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    First, the PSU that comes in that case needs REGULATED 12vdc. An ITPS does not supply that. When the ignition is on (alternator powering) the DC is high enough for the ITPS to operate as a regulator (step down) and when the ignition is off, there is insufficient voltage for the ITPS to supply the PSU.

    Perhaps the insufficient voltage caused data corruption on the HDD???
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  3. #3
    Constant Bitrate
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    I think what you mention about the regulated power makes sense.

    However, the problem with the reboots is not data corruption, as the reboots happen as the machine is booting. Sometimes I will just get the logo screen, not even through POST, and it will reset. This is before Windows has even started to load.

    I went ahead and tried flashing the older BIOS and it worked, but this is still happening. The reboots are occurring no matter the BIOS version. I'm starting to think it might be something wrong with the 60W power supply, and am trying to rig the other one I have to test the system.

  4. #4
    Constant Bitrate
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    I couldn't get the PW120 to work with the system, even after adding the capacitor as suggested on the EPIA website. I am beginning to think the original power supply was somehow slightly damaged, causing the reboots. Doesn't the ITPS protect against overvoltage to the power supply? Or do I need to get a Morex suppy with the regulator function like here: http://www.***********.com/product_i...roducts_id/228 ?

    Please help!

  5. #5
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    the *s should read "l o g i c s u p p l y" (remove the spaces) - don't know why it's blocked like that

  6. #6
    Variable Bitrate BiohazrD's Avatar
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    The way you had it wired probably fried something on the mobo. Seriously, the ITPS should be used by no one unless they want to spend more and more money fixing the things that it screws up. Don't go with an OPUS, because of your case and the supplied power supply, you will be wasting a lot of money. You should probably get a CarNetix, it acts like an ITPS, but it regulates the voltage as well. It hooks upto your battery, and then into your Morex PSU, turns on your amps and your computer on the IGN turn. Not to mention its real cheap.
    Quick! To the Popemobile!

  7. #7
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    The problem you experienced in the car is consistent with the behavior of the ITPS when the car is switched off. I've experienced the same thing.

    The behavior AFTER you pulled it out of the car and switched to the brick is worrisome. Are you absolutely sure you haven't added something to your system between the last time you used the AC adaptor and now?

    I suppose lots of things could cause a reboot but since it started when you put it in the car, you should look for differences. You mentioned that you couldn't boot from the CD-ROM drive. Is the CD USB based? If so, is it using power from the mobo? Did you add a wireless card? USB device? Anything? It only takes a little bit.
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  8. #8
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    I checked very carefully and was sure that absolutely nothing changed. I didn't add any hardware, and didn't change anything. The only thing that I have to do everytime I take it inside and hook it up to the AC brick is remove the power connector and power switch jumper from the ones that go to the ITPS to the ones that plug into the round jack connector to the AC brick and the power switch jumper on the ribbon cable feeding the front panel (with the power button and LEDs). Absolutely nothing else has been modified.

    The CD is an internal slimline slot-loading CD, which was installed and connected before and after it had been in the car. It is connected to the system through a slimline-to-IDE adapter which also supplies its power. The problem I mentioned about the CD drive is that I can actually boot from it, and am trying to boot a Windows install CD. After a few moments after the setup starts, it just reboots itself and the process starts all over. I can't get through the install...

    Again, I am really now thinking the power supply is somehow screwed, causing essentially a brown-out situation and the computer reboots itself. The question is how it got screwed, because it was never directly connected to the car battery and the AC brick has power regulation. So, again, does the ITPS provide a REGULATED output? At the website I mentioned in post #4, it states that it DOES. Does it really? Please let me know what you think.

  9. #9
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    Yep, it turns out it was the power supply. I connected up a standard ATX supply and the reboots are gone and everything works perfectly. Looks like I need to buy another power supply for the case....

  10. #10
    Maximum Bitrate Change's Avatar
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    Have you checked this page and performed the fix described first? http://www.casetronic.com/faq/faq-CL10000.asp

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