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Thread: how long is your serial extenision for xenarc 7in ts?

  1. #11
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    By using the older driver, windows xp no longer reboots at startup. But instead, the touchscreen will not always function.

    When it doesn't function, if I start the configuration utility it will either cause windows to crash and reboot or after a delay show the com device in the list. But if I click on anything with the touchscreen, windows instantly crashes. When windows loads back up, the touchscreen is working again. Very strange and frustrating!

    I called xenarc today. They suggested I try the screen with a different computer and/or formatting the current system.

    Any other suggestions?

  2. #12
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    Just formatted. First thing I did was install drivers. Windows crashed on next boot.

    Next step try different carputer.

  3. #13
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    That sucks, first make sure you have everything taken out of your computer that isn't required to test the touchscreen, so you are sure it just isn't some wierd compatability issue. I even use PS2 mouse/keyboard when I get to this point in troubleshooting. Good luck.

  4. #14
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    I pulled everything as suggested. Even used an old PS/2 keyboard. Same problem.

    I decided to pull the screen and the system from the car. Just for testing purpose, I hooked the touchscreen up with no extension while still in the car. I rebooted a few times with success. Maybe the extension is still at fault.

    I'm going to bring the screen and possibly system indoors to play with and hopefully figure this crap out.

  5. #15
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    Same setup is now indoors.

    I am using an old 250W ATX AC-DC PSU instead of the Opus.

    I've rebooted ALOT, and it has worked every time. I was unable to reproduce the problem.

    I doubt the Opus is to blame. It works fine with the plethora of other peripherals attached, so when the system was stripped it should've had plenty of juice. The evironment and layout of wires change. Maybe heat/humidity, maybe interference from other wiring, maybe I should give up.

  6. #16
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    I'm having a very similar problem. I haven't tested my serial cable yet, but when my opus is installed windows will get close to booting & it will either freeze or reboot itself. As soon as I hook the original AC/DC supply back up everything works fine. My video drivers were part of the issue & an fm tuner card/wireless NIC card were another part. When everything is out except the bare essentials it all works fine (most of the time). I called Kris & he said the supply sounds overloaded but shouldn't be with what I have in there. Anyhow, I'm doing a Win98SE install today (problems occured in WinXP Pro) & am going to see if that changes anything. I'll test the serial stuff and let you know what I find.

    Phil

    Car: 1990 White Toyota Celica GT Hatchback, Custom CAI w/ K&N filter, AutoVation Celica Racing Pedals
    PC: Athlon TB 1000, Opus DC-DC Power Supply, 40GB, 8x DVD, 256MB RAM, FM/TV Tuner, 5.1 Audio, 7" Xenarc Touchscreen, GPS w/ CoPilot 2003, 802.11g wireless NIC
    System: Hifonics ZX8000 5ch amp, Sony XS-L101P5 10" Sub, Q-Logic .6 cu ft sealed enclosure
    Coming Soon: Clean install in custom hatch enclosure, USB 2.0 or Firewire hub in front console, Slot DVD in front console, VHF/UHF antenna

  7. #17
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    I would make sure you keep the Xenarc touchscreen disconnected. I know without a doubt that it is the root of my problems. I just have no idea why or how to fix.

  8. #18
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    Seems VERY similar to this guys problem here. I think you have found the root of your problem in the PSU. Maybe for some reason there is just something that the touchscreen doesn't like with the power the Opus is supplying.

    Do you have an inverter handy (if not then just an AC power cable extension)? You could try the ATX PSU in the car. If this works then you know it is not the "heat/humidity, maybe interference from other wiring". Also you can try powering the Xenarc with the ATX PSU and your PC on the Opus. I really think that the Xenarc is reading the power as dirty somehow and that is causing your problems, even though you may have more then enough current. This could mean fault with the Opus or the LCD, Opus sending abnormal power or LCD too sensetive of power irregularities. I think you are darn close and shouldn't give up here. Good luck man.

  9. #19
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    Thanks for the movitation!

    Today, I ran the serial as far as possible from the power line. The extension meet the xenarc cable right at my handrest. The idea was when windows refuses to boot, I could just unhook it here from the drivers seat instead of going to the cargo area.

    So, I finally got windows xp reinstalled and the carputer back into the SUV. Fired it up and windows didn't boot. So, I disconnected the extension at handrest. Still wouldn't boot?!!. I walked to the cargo area and pulled the extension from the com port. Finally, windows loaded. Things get more and more intresting...

    I doubt its a fault in the extension cable, because even the brand new 25Ft cable (now chopped a little shorter) did the same and the extension works fine indoors. I have installed the latest drivers and bios for my MSI 845GEM and it does work indoors.

    When I first started experiencing this problem, I thought the Opus was overloaded. So I disconnected a few peripherals and the Xenarc screen. So even when the Xenarc was powered by a clean 12V from the Opus, the problem existed. Now, the screen is powered from a cigarette ligher. Still, the same problem. I've even tried to start windows with the screen powered down. And with this new extension cord discovery, maybe the touch screen is probably not to blame.

    I think you are correct about the power issue. But, I think it may be affecting the motherboad and com port instead of the touchscreen controller. I dont have access to ac power atm, but I will in a week and I may invest in an inverter. Also, if it is just the com port acting funny, I may be able to fix it with a usb to serial adapter. My usb devices (keyboard/mouse and copilot rcv) have always worked fine.

    Again, thanks for the help. I will give it a few more shots.

  10. #20
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    Have you tried uninstalling the TS controller & unplugging the serial cable that goes to it to see if you still get the same problem? I'm having a similar problem as you & I did what I mentioned above to no avail. Still reboots either right before or right after it gets into windows. This is only with the FM/TV tuner or the wireless network card....for some reason the sound card is working fine as a PCI device, but nothing else. Do you have the same problem with the CoPilot GPS receiver not being able to be plugged in when windows starts? I had to run a switch to my interior from my GPS USB cable power wire so I can turn the GPS unit off while booting & on after booted...if not the PC would either freeze or reboot. I also tested on Win2000 and got the same problem I did in WinXP with the restarts. I've run AC power out to the car & the PC runs fine with it, just not the Opus. I think you're right when you say the TS can be eliminated as the source of the problem...since both of us are having similar results.

    Phil

    Edit: I also forgot to mention a little problem I noticed with the wireless NIC. I turn the PC off, install the NIC & turn the PC on, it asks for the drivers & I install them, the program comes up and runs fine. However, when I reboot the computer freezes or reboots when windows begins to load. This happens until I take the NIC out and boot w/o it. Any ideas why it would work when the drivers are first installed but won't allow windows to load after a reboot?

    Car: 1990 White Toyota Celica GT Hatchback, Custom CAI w/ K&N filter, AutoVation Celica Racing Pedals
    PC: Athlon TB 1000, Opus DC-DC Power Supply, 40GB, 8x DVD, 256MB RAM, FM/TV Tuner, 5.1 Audio, 7" Xenarc Touchscreen, GPS w/ CoPilot 2003, 802.11g wireless NIC
    System: Hifonics ZX8000 5ch amp, Sony XS-L101P5 10" Sub, Q-Logic .6 cu ft sealed enclosure
    Coming Soon: Clean install in custom hatch enclosure, USB 2.0 or Firewire hub in front console, Slot DVD in front console, VHF/UHF antenna

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