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DVI-VGA Converter Help...

4853 Views 9 Replies Latest reply: Oct 1, 2009 8:29 PM by Malcolm Rayfield RSS
arc18 Calculating status...
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Sep 21, 2009 9:02 PM
I have an older model G5, My display which was one of the old models with the clear plastic frame around it broke, so I just replaced it with 2 LG screens that I am going to link together. I got a DVI/VGA adapter for both of the screens and only one fit into the back of the computer. The other input seems longer than the normal DVI input. Would anyone know which converter I need to buy and where I can purchase it? Thank you.
Power Mac G5
  • Malcolm Rayfield Level 7 Level 7 (28,070 points)
    Currently Being Moderated
    Sep 21, 2009 9:56 PM (in response to arc18)
    You have one ADC and and on DVI port.
    <http://km.support.apple.com/library/APPLE/APPLECAREALLGEOS/HT2707/586921.jpg>

    ADC to VGA adapters have become scarce (and expensive).
    <http://www.tamayatech.com/parts.php?i=MCAADCVGA>

    Do the LG displays have DVI ports? ADC to DVI adapters are a lot cheaper,
    <http://www.smalldog.com/product/12651830>

    (No, you can't connect a DVI to VGA adapter to a ADC to DVI adapter to make a ADC to VGA adapter.)
    Mac Pro (Early 2008), Mac OS X (10.6.1), iPhone 3GS 3.1
  • Malcolm Rayfield Level 7 Level 7 (28,070 points)
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    Sep 22, 2009 7:23 PM (in response to arc18)
    Thank you. I know this may sound insane but let me know if u think this will work. I already have a VGA to a DVI adapter. If I get a ADC to DVI adapter, can I think link all 3 of them together?

    ADC to DVI adapters use DVD-D. They only transfer the digital video signals. A DVI to VGA adapter needs the analog video signals from DVI-A or DVI-I. It will not work with (or even plug into) DVI-D.
    (Some ADC to DVI adapters may use a DVI-I connector, but the analog video pins are not connected, so will not work with a DVI to VGA adapter.)

    Do your LG didplayd hsave DVI ports?
    Mac Pro (Early 2008), Mac OS X (10.6.1), iPhone 3GS 3.1
  • Malcolm Rayfield Level 7 Level 7 (28,070 points)
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    Sep 22, 2009 10:21 PM (in response to arc18)
    DVI can give a better picture than DVI. Get the ADC to DVI adapter for the ADC port and get a DVI-D (M) to DVI-D (M) cable for each display.
    Mac Pro (Early 2008), Mac OS X (10.6.1), iPhone 3GS 3.1
  • Phillyatchi Calculating status...
    Currently Being Moderated
    Oct 1, 2009 6:35 PM (in response to Malcolm Rayfield)
    Could you please let me know if the adapter will work with the mac G5?

    http://imgs.inkfrog.com/pix/debug/DVI-VGA.jpg
    Power mac G5
  • Phillyatchi Level 1 Level 1 (0 points)
    Currently Being Moderated
    Oct 1, 2009 6:36 PM (in response to arc18)
    Could someone please let me know if the adapter would work with the mac G5?

    http://imgs.inkfrog.com/pix/debug/DVI-VGA.jpg
    Power mac G5
  • Malcolm Rayfield Level 7 Level 7 (28,070 points)
    Currently Being Moderated
    Oct 1, 2009 8:29 PM (in response to Phillyatchi)
    That adapter will connect a VGA display to a DVI port. Some G5s have two DVI ports. Some have one DVI and one ADC port.
    <http://km.support.apple.com/library/APPLE/APPLECAREALLGEOS/HT2707/586921.jpg>
    That adapter won't work with the ADC port.
    Mac Pro (Early 2008), Mac OS X (10.6.1), iPhone 3GS 3.1

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