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Thread: Old Xenarc 700TSV won't remember brightness settings

  1. #1
    FLAC
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    Old Xenarc 700TSV won't remember brightness settings

    Well after switching from the M1-ATX to the M2-ATX, the headaches continue. Now for some reason my screen reverts back to the default brightness setting everytime I turn off the car and I have to keep moving it back up to max so I can see the screen.

    Nothing changed from my previous install except a new motherboard and power supply. See my signature for the old setup, the new board is an Intel D945GCLF and the power supply is the M2-ATX. I have the screen powered via the only LP4 molex adapter on the power supply so that it's getting regulated power. I'm guessing the M2-ATX is cutting power when hibernating and this is wiping the memory in the screen so would it help to power the screen directly from the battery? This particular screen has a voltage regulator built into it so I could do that safely I think, what do you think my chances are of it holding the memory? It used to do it no problem with my old setup.

    This is very annoying.
    Ampie Case
    2.5" Hard Drive 80GB Samsung 5400RPM
    256 MB DDR2 PC5400
    Xenarc 700TSV - VGA Monitor
    Intel D945GCLF Motherboard
    M2-ATX-HV

    2005 Honda Civic

  2. #2
    Fusion Brain Creator 2k1Toaster's Avatar
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    the whole point of it is to power it from the battery. It never made any sense to me why anyone would power it from the PSU. Even the lilliputs have voltage regulators.
    Fusion Brain Version 6 Released!
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    30 Digital Outputs -- Directly drive a relay
    15 Analogue Inputs -- Read sensors like temperature, light, distance, acceleration, and more
    Buy now in the MP3Car.com Store

  3. #3
    FLAC
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    Is that a yes? Mushrooooooooom.........mushrooooooooom........
    Ampie Case
    2.5" Hard Drive 80GB Samsung 5400RPM
    256 MB DDR2 PC5400
    Xenarc 700TSV - VGA Monitor
    Intel D945GCLF Motherboard
    M2-ATX-HV

    2005 Honda Civic

  4. #4
    Fusion Brain Creator 2k1Toaster's Avatar
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    yes --> a snaaaaaaaaaaake oooooooh a snaaaaaaaake.
    Fusion Brain Version 6 Released!
    1.9in x 2.9in -- 47mm x 73mm
    30 Digital Outputs -- Directly drive a relay
    15 Analogue Inputs -- Read sensors like temperature, light, distance, acceleration, and more
    Buy now in the MP3Car.com Store

  5. #5
    FLAC
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    Okay but do you think it would hold its memory? Not sure what you were saying yes to.
    Ampie Case
    2.5" Hard Drive 80GB Samsung 5400RPM
    256 MB DDR2 PC5400
    Xenarc 700TSV - VGA Monitor
    Intel D945GCLF Motherboard
    M2-ATX-HV

    2005 Honda Civic

  6. #6
    Fusion Brain Creator 2k1Toaster's Avatar
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    If the screen has power, the screen has memory. If the screen has no power, the screen has no memory.

    However, if your screen is dying and has totalled out its NV memory writing allocation, then it will lose it no matter what since it writes, the memory is fried so nothing happens, and hence goes to default. All devices have a maximum number of times you can write to them.
    Fusion Brain Version 6 Released!
    1.9in x 2.9in -- 47mm x 73mm
    30 Digital Outputs -- Directly drive a relay
    15 Analogue Inputs -- Read sensors like temperature, light, distance, acceleration, and more
    Buy now in the MP3Car.com Store

  7. #7
    FLAC
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    I thought of something before I went through with switching the power source. If I power it from the battery, will it still turn on/off with the computer?
    Ampie Case
    2.5" Hard Drive 80GB Samsung 5400RPM
    256 MB DDR2 PC5400
    Xenarc 700TSV - VGA Monitor
    Intel D945GCLF Motherboard
    M2-ATX-HV

    2005 Honda Civic

  8. #8
    FLAC
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    ?
    Ampie Case
    2.5" Hard Drive 80GB Samsung 5400RPM
    256 MB DDR2 PC5400
    Xenarc 700TSV - VGA Monitor
    Intel D945GCLF Motherboard
    M2-ATX-HV

    2005 Honda Civic

  9. #9
    Newbie
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    I have a Xenarc 700TSV and it also does not remember the brightness settings. I don't know why everyone is telling you to switch power supplies. The point is no matter where you power it from you will have to at some time turn/ or switch it off. This is when you will, as I do, lose the last brightness setting. This does not happen all of the time, but it does happen about 90% of the time. When it happens it does not matter if I turn it off for 30sec or two weeks. It will loose its settings, but I have had it off for a couple of weeks and it has retained its setting, so I am really confused. My monitor is switched off every time the ign is off.

    The question I can never seem to get an answer to is : WHAT IS THE 700TSV DESIGNED TO DO WITH THE BRIGHTNESS SETTING WHEN POWER IS REMOVED. Can't find specs on this.

    If the 700TSV is not designed to, then are any of the newer 7" Xenarcs designed to retain their settings when power is turned off/removed.

    I need a new one, but because of the brightness issue I have been hoping for someone else to come out with a better alternative. Hate all that OSD stuff about size and Input 2 as well. Xenarc does seem to respond well to questions with good answers.

  10. #10
    FLAC
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    Mine remembered settings fine with my old motherboard and power supply. Now that I changed hardware it's not so good anymore. So I'm wondering if I connect it to the battery, will it come on/off with the computer without a relay? And if I use a switched source, will it do a hard off when I turn off the car instead of waiting for the computer to turn off first? Too bad I can't splice into the 12 volt P4 connector on the M2-ATX, that would work.
    Ampie Case
    2.5" Hard Drive 80GB Samsung 5400RPM
    256 MB DDR2 PC5400
    Xenarc 700TSV - VGA Monitor
    Intel D945GCLF Motherboard
    M2-ATX-HV

    2005 Honda Civic

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