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Munish Kumar
07/03/09 09:52
Modified:
  07/03/09 10:13

Read: 303 times
Chandigarh
India


 
#166713 - USB-DB25 converters are not reliable
Responding to: Gopal Amlekar's previous message
Atleast my experience says that USB-DB25 converters are not reliable usually... Can someone comment on the reliability of the USB-serial converters? I have no idea myself.

Gopal Amlekar said:
You can then use USB to serial converter for your laptop.

I think that new laptops do not have either DB25 or serial port. I have faced the same problem many a times with my IBM R51 laptop despite having a parallel port in it. I use ikalogic's DB25 programmer, which doesnt work reliably until you switch off the power supply of laptop! It's noise problem I think. I would recommend to buy an inexpensive USB programmer instead of spending on converters & still getting unreliable results.

see:
http://shop.extremeelectronics.co.in/product_i...pAodyU5QAg

List of 14 messages in thread
TopicAuthorDate
ISP-flash programmer      Lim Hua Yio      07/03/09 09:05      
   Re: ISP-flash programmer      Gopal Amlekar      07/03/09 09:18      
      USB-DB25 converters are not reliable      MUNISH KUMAR      07/03/09 09:52      
         RE: USB-Serial / Parallel converters      Gopal Amlekar      07/03/09 15:01      
      Not parallel port converters?      Per Westermark      07/03/09 10:12      
         USB To "Parallel" Adapters        Michael Karas      07/03/09 12:42      
            PCI latency?      Per Westermark      07/03/09 13:10      
               PCI Latency....Least of Problem...      Michael Karas      07/03/09 18:06      
                  PCI latency can be a significant problem      Per Westermark      07/04/09 04:48      
                     PCI Speed      Michael Karas      07/04/09 07:06      
                        Bit-banging can be extremely slow      Per Westermark      07/04/09 07:41      
                           Other Bit Banging      Michael Karas      07/04/09 15:58      
                              Slave processor a need for modern PC      Per Westermark      07/04/09 20:36      
   ISP Flash Programmer with USB      Sam James      07/03/09 15:07      

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