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  1. #1
    ADC 30 pin to MDP cable

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    Dec 03, 2010
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    ADC 30 pin to MDP cable
    HELP! I just purchased a 27" iMac and want to use my older 20" Cinema Display from my G5 as a second monitor. The CD has a 30 pin male connector coming off of it, and I need to get that adapted to a Mini Displayport for the iMac.

    Apple online tells me that they no longer carry that cable, and the local Apple store has absolutely no clue.

    How do I get from the 30 pin (3 rows of 10, a horizontal blade with 4 pins around that) to the MDP? Is there a cable or do I have to Frankenstein something together?

    Thanks for any ideas or help you can provide.

  2. #2
    ADC 30 pin to MDP cable
    harryb2448's Avatar
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    Specs:
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    From the iMac, Mini DVI to DVI, then an Apple DVI/ADC adapter which includes power and USB leads to the display.

    http://store.apple.com/us/product/M9321G/B

    Then:-

    http://store.apple.com/uk/product/M8661B/B

    Really is a slow, complicated and old way of doing things and the ADC Studio Displays are a thing of the past, sadly. Be aware if you have to go the way suggested, you will lose some booting options whilst running the 20" display, such as single user mode etc.

  3. #3
    ADC 30 pin to MDP cable
    pigoo3's Avatar
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    Going from an ADC to mini-display port is going to be tough.

    - ADC to VGA...yes.
    - ADC to DVI...yes.

    ...but ADC to mini-display port...that's a tough one...and to be honest...I don't think that cable ever existed (at least I've not seen one).

    You may be able to "Frankenstein" a combination of adapters...but you need to remember on VERY important thing...that single ADC cable from your Cinema Display provides both video and power to the monitor...and I pretty seriously doubt that mini-display ports are capable of that.

    - Nick

    p.s. The adapter that Harry mentioned above that adapts ADC to DVI (and provides power for the display)...costs at least $99 dollars...and probably more now that they are no longer available.

    p.p.s. This is what I'm talking about:

    http://www.amazon.com/Apple-M8661LL-.../dp/B00011KHT2
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

  4. #4
    ADC 30 pin to MDP cable

    Member Since
    Dec 03, 2010
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    So do you recommend I just purchase a nice LCD display for $150 and forget this whole Cinema Display problem?

    If the cables are $99 + and I lose some capabilities, it seems foolish for me to be pursuing this route.

    Do you guys concur?

  5. #5
    ADC 30 pin to MDP cable
    pigoo3's Avatar
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    2011 13" MBP 2.3ghz, 8gig ram, OS 10.7.5
    Quote Originally Posted by jayjoans View Post
    So do you recommend I just purchase a nice LCD display for $150 and forget this whole Cinema Display problem?

    If the cables are $99 + and I lose some capabilities, it seems foolish for me to be pursuing this route.

    Do you guys concur?
    Yes...this is EXACTLY the advice I usually mention to folks thinking about trying to use an old ADC based Apple display with a newer Mac (but then again, some folks are really attached to their old Apple monitors). The cost of a modern LCD computer display (new or used) is just more cost effective than trying to continue to use an old ADC based display. Plus the newer LCD displays are so much more advanced then the old Apple ADC display's...especially when it comes to response times.

    Great job on your part mentioning this!

    - Nick
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

  6. #6
    ADC 30 pin to MDP cable

    Member Since
    Dec 03, 2010
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    No, the great job is attributed to you guys that responded to my question. In a matter of minutes you responded with your expertise which made the ultimate decision clear.

    Thanks to MacForums and those that responded.

  7. #7
    ADC 30 pin to MDP cable
    pigoo3's Avatar
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    2011 13" MBP 2.3ghz, 8gig ram, OS 10.7.5
    Glad to help.

    - Nick
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

  8. #8
    ADC 30 pin to MDP cable
    harryb2448's Avatar
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    And YES again.

    I have gone this way jayjoans and really there is no joy using the DVI/ADC adapter, great hulking thing it is.

  9. #9
    ADC 30 pin to MDP cable
    pigoo3's Avatar
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    May 20, 2008
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    Specs:
    2011 13" MBP 2.3ghz, 8gig ram, OS 10.7.5
    Quote Originally Posted by harryb2448 View Post
    I have gone this way jayjoans and really there is no joy using the DVI/ADC adapter, great hulking thing it is.
    I got one too Harry...it's a real BEAST/octopus of an adapter with all those wires. But I like having it as a "just in case" sort of item.

    - Nick
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

  10. #10
    ADC 30 pin to MDP cable
    harryb2448's Avatar
    Member Since
    Nov 28, 2007
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    Nambucca Heads Australia
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    Specs:
    iMac i5 2.7GHz, 16GB memory, OS 10.10.5
    Nick I got a cupboard full of them 'just in case' dooverlackies.

  11. #11
    ADC 30 pin to MDP cable
    pigoo3's Avatar
    Member Since
    May 20, 2008
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    Specs:
    2011 13" MBP 2.3ghz, 8gig ram, OS 10.7.5
    Quote Originally Posted by harryb2448 View Post
    Nick I got a cupboard full of them 'just in case' dooverlackies.
    Me too!!!...I have boxes & boxes of that stuff...taking up too much space!

    - Nick
    - Too many "beachballs", read this: Beachballs
    - Computer seems slower than it used to? Read this for some slow computer tips: Speedup
    - Almost full hard drive? Some solutions. Out of Space
    - Apple Battery Info. Battery

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