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  1.    04 Apr 2016 #11
    Join Date : Dec 2013
    Sydney, Nova Scotia, Canada
    Posts : 10,612
    Windows 10 IoT

    DVI-I is Integrated, Analog and Digital. The small little DVI to VGA adapter, that often comes with your video card, will work on that output. That DVI-I to VGA adapter is passive, it just reroutes the pins to a VGA plug. DVI-D is digital only. That same passive DVI to VGA adapter will not work, there is no analog signal. To go from DVI-D to VGA you need an active adapter that actually converts the digital signal to the analog signal. My video card, like most has one of each. A DVI-I and a DVI-D. The DVI to VGA adapter that came with it will only work on the DVI-I port. If I plug it into the DVI-D port I will get a no signal found message on my monitor.
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  2.    04 Apr 2016 #12
    Join Date : Feb 2015
    Left coast but not a progressive liberal
    Posts : 964
    dual boot W10 10586th2/14291 rs1 Win. Insider since Jan. 2015

    Quote Originally Posted by alphanumeric View Post
    DVI-I is Integrated, Analog and Digital. The small little DVI to VGA adapter, that often comes with your video card, will work on that output. That DVI-I to VGA adapter is passive, it just reroutes the pins to a VGA plug. DVI-D is digital only. That same passive DVI to VGA adapter will not work, there is no analog signal. To go from DVI-D to VGA you need an active adapter that actually converts the digital signal to the analog signal. My video card, like most has one of each. A DVI-I and a DVI-D. The DVI to VGA adapter that came with it will only work on the DVI-I port. If I plug it into the DVI-D port I will get a no signal found message on my monitor.

    right a lot of d/gpu and main boards are DVI-D and HDMI and VGA now but sometimes both DVI-I & DVI-D & VGA with or maybe without HDMI on some low end OEM main boards .

    The d/GPU in here is HDMI, DVI-D and VGA the i7 W/S Game box is d/GPU 1 x HDMI 1 x Display Port and 2 x DVI

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  3.    04 Apr 2016 #13
    Join Date : Apr 2016
    Iowa, USA
    Posts : 665
    Windows 10 1709 Pro x64 (Fall Creators Update)
    Thread Starter

    Ah okay. Thanks. But I do know what the DVI-D to VGA is and does But right now I am using the DVI-I to VGA adapter at this second.

    I will have to buy that DVI-D to VGA cable / adapter and maybe get a split one? Ooo, light bulb!
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  4.    04 Apr 2016 #14
    Join Date : Apr 2016
    Iowa, USA
    Posts : 665
    Windows 10 1709 Pro x64 (Fall Creators Update)
    Thread Starter

    Quote Originally Posted by alphanumeric View Post
    DVI-I is Integrated, Analog and Digital. The small little DVI to VGA adapter, that often comes with your video card, will work on that output. That DVI-I to VGA adapter is passive, it just reroutes the pins to a VGA plug. DVI-D is digital only. That same passive DVI to VGA adapter will not work, there is no analog signal. To go from DVI-D to VGA you need an active adapter that actually converts the digital signal to the analog signal. My video card, like most has one of each. A DVI-I and a DVI-D. The DVI to VGA adapter that came with it will only work on the DVI-I port. If I plug it into the DVI-D port I will get a no signal found message on my monitor.
    I just got to thinking, I also have a DVI-A to VGA adapter... Could I break the four pins above the horizontal pin and then would it work? Or am I crazy?
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  5.    04 Apr 2016 #15
    Join Date : Feb 2015
    Left coast but not a progressive liberal
    Posts : 964
    dual boot W10 10586th2/14291 rs1 Win. Insider since Jan. 2015

    Quote Originally Posted by win10pro4life View Post
    I just got to thinking, I also have a DVI-A to VGA adapter... Could I break the four pins above the horizontal pin and then would it work? Or am I crazy?
    Not sure on that ( but you might be crazy anyway ) I don't know the 2 pin outs but they can probably be found maybe even in Wiki Opinion
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  6.    04 Apr 2016 #16
    Join Date : Dec 2013
    Sydney, Nova Scotia, Canada
    Posts : 10,612
    Windows 10 IoT

    Quote Originally Posted by win10pro4life View Post
    I just got to thinking, I also have a DVI-A to VGA adapter... Could I break the four pins above the horizontal pin and then would it work? Or am I crazy?
    The 4 big pins are I believe the analog pins used by the VGA part of the signal. https://en.wikipedia.org/wiki/Digital_Visual_Interface I wouldn't break them off.
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  7.    04 Apr 2016 #17
    Join Date : Apr 2016
    Iowa, USA
    Posts : 665
    Windows 10 1709 Pro x64 (Fall Creators Update)
    Thread Starter

    Here is the DVI-A picture I am referring to (from Wikipedia)


    On that picture of the DVI-A. On the right side, Top two pins, bottom two pins, the in the middle that horizontal shaft. Or maybe you guys got what I was saying.

    Maybe your right, I guess will just have to buy a REAL DVI-D to VGA adapter / cable sometime
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  8.    04 Apr 2016 #18
    Join Date : Dec 2013
    Sydney, Nova Scotia, Canada
    Posts : 10,612
    Windows 10 IoT

    Quote Originally Posted by win10pro4life View Post
    Here is the DVI-A picture I am referring to (from Wikipedia)


    On that picture of the DVI-A. On the right side, Top two pins, bottom two pins, the in the middle that horizontal shaft. Or maybe you guys got what I was saying.

    Maybe your right, I guess will just have to buy a REAL DVI-D to VGA adapter / cable sometime
    Those 4 pins are used for the analog signal.
    C1 Analog red
    C2 Analog green
    C3 Analog blue
    C4 Analog horizontal sync
    C5 Analog ground
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  9.    04 Apr 2016 #19
    Join Date : Dec 2013
    Sydney, Nova Scotia, Canada
    Posts : 10,612
    Windows 10 IoT

    To go from DVI-D to VGA you need more than just a passive adapter or cable. It will have electronics in it to generate the analog signal. a mini video card if you will. The DVI-D connector on the video card will have nothing connected to the pins listed on that DVI-A. There may not even be any pins there, just an empty space.
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  10.    04 Apr 2016 #20
    Join Date : Apr 2016
    Iowa, USA
    Posts : 665
    Windows 10 1709 Pro x64 (Fall Creators Update)
    Thread Starter

    Quote Originally Posted by alphanumeric View Post
    To go from DVI-D to VGA you need more than just a passive adapter or cable. It will have electronics in it to generate the analog signal. a mini video card if you will. The DVI-D connector on the video card will have nothing connected to the pins listed on that DVI-A. There may not even be any pins there, just an empty space.
    Ah, I get ya now. Thanks!
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