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  1. Path: sparky!uunet!paladin.american.edu!darwin.sura.net!mips!swrinde!elroy.jpl.nasa.gov!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.zenith
  4. Subject: Re: 3.5" floppy on Zenith 151?
  5. Message-ID: <16841E0C9.MLONG@isucard.card.iastate.edu>
  6. Date: 12 Aug 92 21:59:01 GMT
  7. References: <DWSMITH.92Aug11124318@fred.lll-winken.llnl.gov>
  8. Sender: news@news.iastate.edu (USENET News System)
  9. Organization: CARD
  10. Lines: 27
  11.  
  12. In article <DWSMITH.92Aug11124318@fred.lll-winken.llnl.gov>                                                                                           
  13. dwsmith@fred.lll-winken.llnl.gov (David Smith) writes:                                                                                                
  14.                                                                                                                                                       
  15. >                                                                                                                                                     
  16. >Hello, I have a old Zenith 151 and I was wondering if it is possible to add a                                                                        
  17. >3.5" floppy this old of a machine?  Replies my be mailed directly to me or                                                                           
  18. >posted.  If it is possible, what do I need to get?                                                                                                   
  19. >                                                                                                                                                     
  20. >Thank you,                                                                                                                                           
  21. >                                                                                                                                                     
  22. >                                                                                                                                                     
  23. >David W. Smith                                                                                                                                       
  24. >dwsmith@llnl.gov                                                                                                                                     
  25. >--                                                                                                                                                   
  26. >David W. Smith                                                                                                                                       
  27. >                                                                                                                                                     
  28. We have done this with 720 KB drives, just needed to change the floppy cable                                                                          
  29. slightly, as its length betwwen the connectors wasn't enough, set the system                                                                          
  30. switches to tell it has 2 floppies, and run DSKSETUP if pre-DOS 5.0.  If DOS                                                                          
  31. 5.0 take a look at the DRIVPARM command line for CONFIG.SYS in the manual.                                                                            
  32. I think we used Toshiba? 720KB drives.                                                                                                                
  33. I do not think that 1.44MB or 2.88MB mechanisms will work with your present                                                                           
  34. floppy disk controller.                                                                                                                               
  35. Check the drive select switches and terminating resistors on the floppies                                                                             
  36. also.                                                                                                                                                 
  37. Mike Long                                                                                                                                             
  38. Iowa State University                                                                                                                                 
  39.