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Thread: 220 Watt DC-DC Power Supply: DSATX

  1. #71
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    This sounds awesome! Are those of us that missed the beta screwed? Are there any other options under the $160 price these things are going to go for now? Like the others said, if anyone backs out, let me know, because I'd order one and take all the pics you want! Good work, regardless!!

  2. #72
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    Quote Originally Posted by vettejock99
    This sounds awesome! Are those of us that missed the beta screwed? Are there any other options under the $160 price these things are going to go for now? Like the others said, if anyone backs out, let me know, because I'd order one and take all the pics you want! Good work, regardless!!
    You have to consider that even at $160 it is a very nice deal compared to alternatives.
    I have found you an argument; I am not obliged to find you an understanding.

  3. #73
    FLAC
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    Parameters for DSATX

    Here is the latest list of things you can set via the command consol, and also settings you can read real time. This should be useful for those of you writing APIs for this.

    The Simple User who doesn't need anything other than the default will be able to tweak stuff using the P1 and P2 pots and never has to hook up the serial port.

    If they want the next level, they can hit P and go through the inter-active prompt (which will set settings indicated by the last column)

    The advanced user can go in and tweak any of these settings and have ultimate control.


    Am I leaving anything out?

    I know it is kind of hard to read. I'm trying to come up with the best way to document it.

    -Jeff
    MPEGBOX - Plexiglass Computer
    www.mpegbox.com

  4. #74
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    am I still going to be able to get one at the beta price since you told me I could get one, I wasnt able to get ahold of you though

  5. #75
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    Excellent! Since there's a place to order on your site, I'm assuming the final release of these is available?

    Also (do'nt expect this to be answered), I'm assuming there shouldn't be any conflicts with a Dell GX240? The other thread in this subforum mentions some strange wiring with some Dell PS's.

  6. #76
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    Quote Originally Posted by SMOKINV8
    Excellent! Since there's a place to order on your site, I'm assuming the final release of these is available?

    Also (do'nt expect this to be answered), I'm assuming there shouldn't be any conflicts with a Dell GX240? The other thread in this subforum mentions some strange wiring with some Dell PS's.
    The connector for the power switch on Dell systems are proprietary. On my Dimension 4550, there's a ribbon cable to goes from the power switch to the front panel usb/audio, and from there another ribbon cable goes to the motherboard. You'll just have to figure out which 2 pins are needed for the power switch, and wire it directly. The jumper won't fit either.

  7. #77
    FLAC
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    DSATX Rails and PowerOK timing

    Hey All,

    Using my Nifty O-Scope, I verified some ATX Spec related stuff

    http://www.formfactors.org

    Here is the DSATX voltage ramp up Timing Waveforms:
    Blue: 12 volt Rail
    Magenta: 5 volt Rail
    Yellow: 3.3 volt Rail


    Here is the DSATX Power OK/ PS_ON timing:
    Ch1 (Yellow) is PS_ON
    Ch2 (Blue) is +5 Volt Rail
    Ch3 (Magenta) is Power_OK



    Basically it Meets the ATX Spec with flying colors. 12 and 5 must always be higher than 3.3. And PS_ON to Power_OK is about 250ms.

    -Jeff
    MPEGBOX - Plexiglass Computer
    www.mpegbox.com

  8. #78
    FLAC
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    Quote Originally Posted by parvo99
    The connector for the power switch on Dell systems are proprietary. On my Dimension 4550, there's a ribbon cable to goes from the power switch to the front panel usb/audio, and from there another ribbon cable goes to the motherboard. You'll just have to figure out which 2 pins are needed for the power switch, and wire it directly. The jumper won't fit either.
    The DSATX is ATX Compatible. That means it will work with any motherboard from Intel, MSI, ABIT, ASUS, VIA, etc. It is not guaranteed to work with Compaq, Dell, HP, etc. These manufactures don't have to adhere to the ATX specs and sometimes violate them. I am not making any guarantees that this power supply will work with these kinds of motherboards. You have to know what you’re doing to use the DSATX. You have to be able to figure out if you’re going to be over the power budget, what kind of connectors you need, what kind of signaling you'll require, etc. If your system worked with an OPUS, M1-ATX, or VIA/Casetronic DC-DC. It will certianly work with the DSATX.


    Please do some research before hooking the DSATX into your system.

    -Jeff
    MPEGBOX - Plexiglass Computer
    www.mpegbox.com

  9. #79
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    I finally got the powersupply hooked up yesterday. After an extremely frustrating hour of thinking it was faulty, I finally figured out my computer kept shutting down because my cpu was overheating due to a faulty cpu fan clip.

    Anyways, I guess this first impression review is for the basic users. Not really a review, but a statement that the PS simply works. My system is a P4 2.4 running on a micro atx motherboard. Hook up the power, ground, acc wires, and attach the jumper to the power switch pins on the motherboard, and you're ready to go. Turn on the accessory wire and the system boots up, turn off the accessory wire, and the controller starts its countdown. I adjusted pot1 to about 30 seconds, so 30 seconds after I shut off the wire, the controller sends a signal to the power switch, which i have configured to hibernate. I believe Jeff said that the computer then has 2 minutes to do what it needs to do (hibernate, shutdown, etc). After that, the power is then cut. Turn the acc wire back on before 30 seconds, and the countdown is terminated, and the computer stays on.

    Heat issues - None! I ran it for about an hour. It didn't even feel warm to the touch.

    Setup issues - Not a bug or anything, but I'm running my screen off the ps, and I'd like to have the shut down timer set longer, like 10 minutes or so, so that when I'm just running to the convenience store or something, I don't have to shut down my computer, but it's kinda weird having it running with the screen still on. Any way to have it auto shut off the screen only?

    Can I have it standby to S3, instead of S4 or S5? Not really sure how that would work. How long can a good car battery last with a computer in S3?

    I'll update if anything comes up.

    Great product Jeff!!! And, I get local support

  10. #80
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    signing in ....

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