Updates: 
  • [Feb 28th 2012] Info for OS X 10.7
OS X 10.7 - Lion

  1. Download and install osx-pl2303-0.4.1-failberg.pkg from failberg's github project
    (you will need to reboot)
  2. Login to Apple Developer Center - developer.apple.com/downloads/index.action
  3. Download and Install command_line_tools_for_xcode_.dmg
  4. Install Homebrew
    /usr/bin/ruby -e "$(curl -fsSL https://raw.github.com/gist/323731)"
  5. Install minicom
    brew install minicom

OS X 10.6 - Snow Leopard

  1. Install MacPorts for your version of OS X
    (1.8.2 - Snow Leopard at the time of this writing)
    distfiles.macports.org/MacPorts/
    Download and open the dmg. Run the pkg.

    sudo port -v selfupdate

  2. Install the USB to Serial Adapter
    (0.3.1 marked for 10.4, tested working with 10.6)
    sourceforge.net/projects/osx-pl2303/
  3. Ignore the request to restart as well as the modem which appears in network connections
  4. Install and configure minicom
    wiki.openmoko.org/wiki/MacOS_X#USB_Serial_with_minicom

    sudo port install minicom # lrzsz for file xfer will also be installed
    ls /dev/cu. # should reveal /dev/cu.PL2303-0000101D or similar
    sudo minicom -s

    > Serial Port Setup
      Device: /dev/cu.PL2303-0000101D
      [enter][enter]

    >Modem and Dialing
      Init string: [empty string]
      Reset string: [empty string]
      Hang-up string: [empty string]
      [enter][enter]

    > Save the setup as default ("dfl")
    [enter][enter]

    > Exit
    [enter]

  5. To exit use
    [CTRL-A], [Z], [X]
  6. To connect again

    sudo minicom
    [enter][enter]

Key Words

Prolific USB to Serial PL2303
Prolific Serial to USB PL2303
OS X Tiger 10.4, OS X Leopard 10.5, OS X Snow Leopard 10.6, OS X Lion 10.7, OS X Mountain Lion 10.8
Thank's for posting this, worked like a charm for me on my MacBook Pro with snow leopard .


By AJ ONeal

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