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???
05/04/07 08:12
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#138607 - no
Responding to: ???'s previous message
Steve M. Taylor said:
I need to do something like that ? I thought the things had unique serial numbers or something, am I mistaken ? If I could read them, I could assign names to the unique ids.


No they don't (as somebody said above, the prolific is simply hardwired, one exactly as the other).

I wonder you can distinguish them at all. They like to enumerate to different COM ports when you stick them in in different order.

Also, there are many people complaining on the stability of the prolific chips and drivers. Although this might have about 1000000 reasons unrelated to the chips themselves, generally, I'd recommend you to switch to FTDI (unless you really hate the Scots :-) ).

JW



List of 13 messages in thread
TopicAuthorDate
OT Modifying USB Com ports            01/01/70 00:00      
   USB com ports            01/01/70 00:00      
      That's the problem            01/01/70 00:00      
      No serial number string from the device            01/01/70 00:00      
      COM Port re-assignment            01/01/70 00:00      
   USB Descriptors            01/01/70 00:00      
      Bill frowns on a lot of stuff            01/01/70 00:00      
      More damned work.            01/01/70 00:00      
         no            01/01/70 00:00      
            EEprom            01/01/70 00:00      
               WHICH prolific?            01/01/70 00:00      
                  Good question            01/01/70 00:00      
   Where do you see the name?            01/01/70 00:00      

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