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  1. Path: sparky!uunet!pmafire!news.dell.com!swrinde!sdd.hp.com!ux1.cso.uiuc.edu!news.iastate.edu!isucard.card.iastate.edu!MLONG
  2. From: MLONG@isucard.card.iastate.edu
  3. Newsgroups: comp.sys.ibm.ps2.hardware
  4. Subject: Re: Problems with IBM Laptop and serial ports
  5. Message-ID: <16858E2F3.MLONG@isucard.card.iastate.edu>
  6. Date: 4 Sep 92 22:08:13 GMT
  7. References: <1992Sep2.133549.20979@decuac.dec.com>
  8. Sender: news@news.iastate.edu (USENET News System)
  9. Organization: CARD
  10. Lines: 22
  11.  
  12. In article <1992Sep2.133549.20979@decuac.dec.com>                               
  13. jeff@ryhope.del.dec.com (Jeff Finkelstein) writes:                              
  14.                                                                                 
  15. >                                                                               
  16. >I have some programs that I have written that contain their own serial         
  17. >port interrupt routines. The code works fine on every system I have            
  18. >tried it on except for the IBM PS/2 Model L40X (I got the model number         
  19. >from a customer.) Can anyone shed some light on why this particular system     
  20. >may be a problem? Further information: The cable I use is home-grown and       
  21. >only uses TX,RX,and GND, I do not currenty have CTS and RTS wired. Could       
  22. >this be the problem?                                                           
  23. >                                                                               
  24. >All suggestions welcome.                                                       
  25. >--                                                                             
  26. >jeff finkelstein                | disclaimer:                                  
  27. >digital equipment corporation   |   A horse is a horse, of course, of course.  
  28. >jeff@ryhope.del.dec.com         |                                              
  29. >                                                                               
  30. You might want to run the machines setup or Reference Disk and make sure COM1 i 
  31. s turned on.                                                                    
  32. Mike Long                                                                       
  33. Iowa State University                                                           
  34.