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Text File  |  1994-04-28  |  2.5 KB  |  45 lines
  1. /*  This is a mountlist entry for the SCSI tape handler provided with   */
  2. /*  MRBackup. Pay particular attention to the StartUp message. Its      */
  3. /*  format is:                                                          */
  4. /*      "<buffer_size>/<device_name>/<unit>/<luno>/<flags>"             */
  5. /*                                                                      */
  6. /*  where                                                               */
  7. /*      <buffer_size> is the total amount of buffer memory, specified   */
  8. /*      in K (K = 1024);                                                */
  9. /*                                                                      */
  10. /*      <device_name> is the SCSI device driver name;                   */
  11. /*                                                                      */
  12. /*      <unit> is the SCSI unit number;                                 */
  13. /*                                                                      */
  14. /*      <luno> is the SCSI logical unit number (not currently used but  */
  15. /*      must be set to zero);                                           */
  16. /*                                                                      */
  17. /*      <flags> is a set of bits controlling certain tape drive options */
  18. /*      The bit values, which may be added together are:                */
  19. /*                                                                      */
  20. /*          1   asynchronous mode, 0 = synchronous mode                 */
  21. /*          2   use on-board buffer, 0 = don't use on-board buffer      */
  22. /*          4   Introduce 2 ms delay before each read/write. This may   */
  23. /*              help prevent bus lockup in async mode.                  */
  24. /*          8   Introduce 4 ms delay (additive).                        */
  25. /*                                                                      */
  26. /*          Example: to enable async mode and the on-board buffer, the  */
  27. /*          <flags> value would be 3 (1 + 2).                           */
  28. /*                                                                      */
  29. /*          Other flag bits will be provided as new features are added. */
  30.  
  31. MRTAPE:    Handler = l:mrtape-handler
  32.            StartUp = "60/scsi.device/4/0/2"
  33.            Stacksize = 4000
  34.            Priority = 10
  35.            GlobVec = -1
  36. #
  37.  
  38. /* Synchronous entry: */
  39. MRTAPES:   Handler = l:mrtape-handler
  40.            StartUp = "60/scsi.device/4/0/3"
  41.            Stacksize = 4000
  42.            Priority = 10
  43.            GlobVec = -1
  44. #
  45.