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Thread: New Intelegent Start Up/Shut Down controller

  1. #1
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    New Intelegent Start Up/Shut Down controller

    Well after purchasing an M1-ATX in car PSU is was disappointed to find that even though it’s controlled by a micro processor it doesn’t actually intelligently control your PCs power.

    All it does is “press” the power button on your PC when ever you turn the ignition on or off. This means that if you use any other method to turn your PC on or off or it’s power state changes it becomes out of sync with your ignition, making it useless. For example if you PC is off and then you switch your ignition off, the PC will be powered up.

    So what if you want your PC to come on with your ignition, go off with your ignition regardless of what state the PC is in, just like a normal head unit. Not only that but if your motherboard supports the S3 power mode you can have it come one instantly with no boot up.

    You won’t need to run a switch up to your dash and you can turn it on with a press of the touch screen.

    The unit is a tiny PCB (1”x2”) with a microprocessor that is designed to piggyback onto the M1/M2-ATX board but will also work with ANY ATX power supply.

    The controller takes +12v Permanent, +12v Ignition and –ve inputs and connects to the motherboards power switch and power LED jumpers.
    It will only switch your pc on when the ignition is turned on and it will make sure it goes off when your ignition is turned off. You can turn your PC on or off independently with the ignition on or off and it will always go off when you turn you ignition off.

    If your PC supports S3 power mode you can have it suspend your PC when the ignition is switched off. Everything will be powered down apart from the RAM. This takes very little current and can be sustained for days on a car battery. This allows the PC to come one instantly with the ignition and even be switched on by any USB device. Also if you combine this with the M1 or M2 ATX power supply it will shut the PC down fully after an adjustable amount of time in standby and on low battery voltage, preventing battery discharge.
    This device is currently undergoing testing and will be ready for sale shortly.

    Please let me know what you think and if you would be interested.

  2. #2
    Variable Bitrate Arrow's Avatar
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    Sweet. I like it.

  3. #3
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    Doesn't the M2-ATX power supply do all of that already? There are even jumpers on the PS board to select various settings.

  4. #4
    One Sharp Cheddar ThunderStick's Avatar
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    A lot of PSU's do that all ready and so do a lot of shut down controllers. Most shutdown controllers monitor the 12v on the PSU to see when the computer turns off and then cuts power to the computer. IF the 12v is not off with in an alloted amount of time, it cuts power anyway to prevent a dead battery from computer hang.
    A lot of them have standby capabilities as well.
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  5. #5
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    Well I've been investigating intellegent PSUs as I'm designing an i386 based in car system and none of them did what we wanted.

    As far as I'm aware neither the M1 or M2 have any input from the motherboard and therefore don't work correctly. I havent seen any ready made startup controllers.

    I developed this product out of necessity and it met our requirements perfectly. Then seeing as it has an increadbly small foot print, is simple to install and would retail around £20 I decided to sell it as a product in it's own right.

    I do not currently know of any psu that you can get for £60 that has anywhere near the reliability and features of the M1-ATX + our controller.

  6. #6
    Neither darque nor pervert DarquePervert's Avatar
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    Quote Originally Posted by SteTommo View Post
    As far as I'm aware neither the M1 or M2 have any input from the motherboard and therefore don't work correctly. I havent seen any ready made startup controllers.
    I think it's more a matter of the M1 or M2 not behaving the way you want them to. They work exactly as advertised when they are wired up and configured properly.
    Have you looked in the FAQ yet?
    How about the Wiki?



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  7. #7
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    I concur DP. I have done alot and I mean Alot of actual testing on the M2 at work like FCC and EMi and TEMp and Vibe etc Mil-std 810f. And every one of these (13 total so far) Has not failed once its always been downstream of the M2 PSU so all these problems that most of you guys have are Human error in not reading the manual properly or just not knowing enough about electronics to figure out that current has to flow from the source to GND to work!
    Quote Originally Posted by DarquePervert View Post
    I think it's more a matter of the M1 or M2 not behaving the way you want them to. They work exactly as advertised when they are wired up and configured properly.
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  8. #8
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    No I wasn't having a prblem installing them and yes they were doing what they were desgined to do. But what they were designed to do could be inproved upon.

    I really can't be bothered explaing it all again, but basically if you used any other method other than letting the PSU power the pc up and down, it became out of sync wiht the ignition and thus making it useless.

    HOWEVER I have since realised that this was due to a rather rubbish Jetway ITX board that wasn't dealing with suspend properly. Since changing to a VIA board the M1-ATX now detects the current power state of the mobo, making it behave correctly under all conditions.

    That has mow made the controller redundant in this application, however it would still be usefull in controlling none intellegent PSUs, or the intellegent ones with rubbish mobos like the Jetway model I had.

  9. #9
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    Which Jetway board?

  10. #10
    Neither darque nor pervert DarquePervert's Avatar
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    See, SteTommo, this could have all been avoided with some searching on the forums.... Granted, you didn't know to search, but that's a whole other issue.

    I know about issues with M-series PSUs and Jetway boards, and I have never owned either. Why? I read the forums.

    Either way, glad you go your situation sorted out and all is working.
    Have you looked in the FAQ yet?
    How about the Wiki?



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