Sun's VirtualBox is a slick new virtualization alternative to VMWare Fusion, Parallels, and the like. For some of us, we not only need to run a Windows app, but that app requires a connection to a serial device. Here's what I did just now to get my Keyspan USA-19HS USB-to-Serial adapter working in VirtualBox under Windows XP:
  1. Windows XP installed without a hitch, but it had no COM ports set up. It turns out that I hadn't turned them on in VirtualBox, so I did that.
  2. Installed the Keyspan drivers on my Mac (Leopard, 10.5.4).
  3. Downloaded SerialClient, the excellent app that seems to make this work.
  4. Attached the Keyspan adapter.
  5. In XP, I went into the Add Hardware wizard, and scrolled down to the bottom to add hardware I pick from a list. Basically, I wanted to force XP to set up an item in Device Manager for a COM port. The device was created, but for some...


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