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  1. Path: sparky!uunet!elroy.jpl.nasa.gov!swrinde!mips!odin!fido!zola!zuni!anchor!olson
  2. From: olson@anchor.esd.sgi.com (Dave Olson)
  3. Newsgroups: comp.sys.sgi
  4. Subject: Re: Parallel port pin-out
  5. Keywords: parallel port
  6. Message-ID: <ooiufq8@zuni.esd.sgi.com>
  7. Date: 19 Aug 92 04:42:07 GMT
  8. References: <1992Aug18.213404.29888@magnus.acs.ohio-state.edu> <1992Aug18.214333.191@magnus.acs.ohio-state.edu>
  9. Sender: news@zuni.esd.sgi.com (Net News)
  10. Distribution: comp.sys.sgi
  11. Organization: Silicon Graphics, Inc.  Mountain View, CA
  12. Lines: 51
  13.  
  14. In <1992Aug18.214333.191@magnus.acs.ohio-state.edu> hshamans@magnus.acs.ohio-state.edu (Harry T Shamansky) writes:
  15.  
  16. | Last posting (tonight =>)
  17. | 
  18. | There seems to be a bug (omission) in the man pages on the parallel port (plp).
  19. | Note that it appears that page 2 is missing, and I think that has the
  20. | details which relate to my Indigo.  
  21.  
  22. In which release, and in hardcopy or online?  As far as I know,
  23. it has always all been there, although there was a bug with
  24. the way tbl split things over pages so it didn't look all that
  25. pretty for a while.
  26.  
  27. | I have an older Seiko color printer from an old 4D host, and the cable 
  28. | (centronics to DB37) is unusable. I need a centronics to DB25, but I can
  29. | also quickly make up a cable with ribbon connectors. Anyone know what pin-outs
  30. | are needed?
  31.  
  32. Here is the section from the 4.0.5 man page:
  33.  
  34. ELECTRICAL INTERFACE
  35.                   _______________________
  36.                   |____PARALLEL_PORT_____|
  37.                   |    PIN  |      SIGNAL     |
  38.                   |______|_______________|
  39.                   |     1   |        STB         |
  40.                   |     2   |       DATA1     |
  41.                   |     3   |       DATA2     |
  42.                   |     4   |       DATA3     |
  43.                   |     5   |       DATA4     |
  44.                   |     6   |       DATA5     |
  45.                   |     7   |       DATA6     |
  46.                   |     8   |       DATA7     |
  47.                   |     9   |       DATA8     |
  48.                   |    10   |        ACK         |
  49.                   |    11   |       BUSY         |
  50.                   |    12   |        PE         |
  51.                   |    13   |      ONLINE     |
  52.                   |    14   |       PR/SC     |
  53.                   |    15   |      NOPAPER    |
  54.                   |    16   |       N.C.         |
  55.                   |    17   |       NOINK     |
  56.                   |    18   |       N.C.         |
  57.                   |19-30 | Signal Ground |
  58.                   |    31   |       RESET     |
  59.                   |32-36_|_____N.C.______|
  60.                   |______________________|
  61. --
  62. Let no one tell me that silence gives consent,  |   Dave Olson
  63. because whoever is silent dissents.             |   Silicon Graphics, Inc.
  64.     Maria Isabel Barreno                        |   olson@sgi.com
  65.