ADB == Mini-DIN?

Discussion in 'Apple Collectors' started by Amad3U5, Jan 19, 2013.

  1. macrumors member

    Joined:
    Nov 17, 2012
    Location:
    Sydney
    #1
    I want to buy an Apple Extended Keyboard to use with my MacBook Pro. Naturally, this means that I must purchase an ADB to USB adapter. However, no manufacturer seems to make these anymore, and the scarce units on eBay are incredibly expensive. So I discovered that ADB is simply Apple's version of Mini-DIN, and found Mini-DIN to USB adapters for significantly cheaper.

    So my question is: can I use a generic 4-pin Mini-DIN to USB adapter for use with my Mac, or must I opt for the more expensive ADB to USB?
     
  2. macrumors P6

    Intell

    Joined:
    Jan 24, 2010
    Location:
    Inside
    #2
    While they share the same connector, they do not share the same electrical signals. It'll fit, but not work.
     
  3. David Schmidt, Jan 19, 2013
    Last edited: Jan 19, 2013

    macrumors 6502

    David Schmidt

    Joined:
    Aug 22, 2006
    Location:
    Southeastern USA
    #3
    Not only that, but you're confusing the connectors. The ADB port is NOT the 8-pin mini-DIN serial port you're finding adapters for. ADB is a 4-pin mini-DIN connector that shares the physical characteristics (but not the electrical ones, obviously) with S-video.

    Here's an adapter that looks like it'll do ADB:
    [​IMG]

    But these serial adapters won't:
    [​IMG]
     
  4. macrumors 6502a

    blesscheese

    Joined:
    Apr 3, 2010
    Location:
    Central CA
    #4
    Dave Schmidt is correct in his pictures...the top one is the Griffin iMate ADB to USB adaptor, which will work, but is now very rare:

    Newegg page

    The bottom pictures are of a serial to usb converter, which has a differing number of pins.

    Following up on Dave's comment, I have regularly used S-Video cables with my ADB Mac Keyboards and old Mac's, and have never had a problem.
     

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