Old hardware on a new mac

I have a Roland CAMM 1 CX-24 Cutter witha parallel port and a 25 pin serial port.  I am trying to connect it to my new os X lion computer.  I have a parallel to usb cable and use it to connect the roland vynal machine to the old G5 mac and it works fine. When I connect it to the new imac it is not detected.   Any ideas?  I am using the flexi sign 8.5 software.  

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strungConnect With a Mentor Commented:
Your USB to serial port adaptor almost certainly needs drivers. Check the web site of the manufacturer of the USB to Serial Port Adapter. Is it a Belkin or Kensington? They were the most popular brands.

If it is old, you may run into a problem. Your G5 was based on an Motorola Power PC (PPC) chip, whereas your new Mac is runs on an Intel Chip. Up until Snow Leopard, the Mac OS contained a backwards compatibility emulator which allowed Intel chip Macs to run software written for PPC Macs. This emulator was discontinued in Lion.

So unless you can find an intel compatible driver for your USB to serial port adapter, you may be out of luck.
ForLoop5Author Commented:
good point.   Im trying to find the driver now.   The cable does not have a manufacturer printed on it.  So its kind of generic.  Any suggestions for that?  
Belkin and Keyspan were the major Mac suppliers for this sort of thing.

You can look in system profiler to see if you can find the driver. That might give you a clue to the manufacturer.

Fortunately, if you have to buy a new one, they are relatively cheap:


Just make sure you get one that is Lion Compatible
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