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SETSPD.DOC -- Changes from V3A(7) to V4(15)
January 1979






























COPYRIGHT (C) 1978,1979 BY
DIGITAL EQUIPMENT CORPORATION, MAYNARD, MASS.


THIS SOFTWARE IS FURNISHED UNDER A LICENSE AND MAY BE USED AND  COPIED
ONLY  IN  ACCORDANCE  WITH  THE  TERMS  OF  SUCH  LICENSE AND WITH THE
INCLUSION OF THE ABOVE COPYRIGHT NOTICE.  THIS SOFTWARE OR  ANY  OTHER
COPIES  THEREOF MAY NOT BE PROVIDED OR OTHERWISE MADE AVAILABLE TO ANY
OTHER PERSON.  NO TITLE TO AND OWNERSHIP OF  THE  SOFTWARE  IS  HEREBY
TRANSFERRED.

THE INFORMATION IN THIS SOFTWARE IS SUBJECT TO CHANGE  WITHOUT  NOTICE
AND  SHOULD  NOT  BE  CONSTRUED  AS  A COMMITMENT BY DIGITAL EQUIPMENT
CORPORATION.

DIGITAL ASSUMES NO RESPONSIBILITY FOR THE USE OR  RELIABILITY  OF  ITS
SOFTWARE ON EQUIPMENT WHICH IS NOT SUPPLIED BY DIGITAL.

STP4.DOC                                                        Page 2


SETSPD.DOC -- Changes from V3A(7) to V4(15)
January 1979



1.0  SUMMARY

4-SETSPD  is  a  privileged  system  program   which   processes   the
4-CONFIG.CMD file and, in so doing, sets many initial parameters about
the system such as:  initial line speeds, system  logical  names,  and
magtape logical to physical correspondences.

4-SETSPD version 4(15) runs only on Release 4 of TOPS-20.

4-SETSPD depends on the file PS:<SYSTEM>4-CONFIG.CMD.



2.0  EXTERNAL CHANGES

The following commands were added to SETSPD version 4(15).

     ENABLE TAPE-DRIVE-ALLOCATION
     ENABLE CLASS-SCHEDULER
     TAPE-MOUNT-DEFAULT DENSITY
     TAPE-MOUNT-DEFAULT DRIVE-TYPE
     TAPE-MOUNT-DEFAULT LABEL-TYPE
     TAPE-RECYCLE-PERIOD
     ARCHIVE-TAPE-RECYCLE-PERIOD
     CHANGE
     BACKGROUND
     BATCH-CLASS
     BIAS
     CREATE

The former for DECNET sites, and the latter for ARPANET sites.



3.0  KNOWN BUGS AND DEFICIENCIES

None as of 30-Jan-79.



4.0  INSTALLATION INSTRUCTIONS


4.1  Files Needed to Run 4-SETSPD

4-SETSPD consists of one file, 4-SETSPD.EXE and it reads  the  command
file PS:<SYSTEM>4-CONFIG.CMD.

STP4.DOC                                                        Page 3


4.2  Instructions for Loading and Installing SETSPD

Mount the tape labeled  Distribution  Tape  on  MTA0:   and  type  the
following commands:

     R DUMPER
     TAPE MTA0:
     REWIND
     DENSITY 1600-BPI
     SKIP 2
     RESTORE <*>4-SETSPD.EXE (TO) SYSTEM:*.*.-1
     REWIND
     ^C


4.3  Files Needed to Build SETSPD

     SETSPD.MAC
     SERCOD.UNV
     SERCOD.REL

In addition, the following files must be on SYS:

     MACREL.REL
     MACSYM.UNV
     MONSYM.UNV


4.4  Instructions for Building SETSPD

Mount the tape labeled  Distribution  Tape  on  MTA0:   and  type  the
following commands:

     R DUMPER
     TAPE MTA0:
     REWIND
     DENSITY 1600-BPI
     SKIP 3
     RESTORE <*>*.*.* (TO) <self>*.*.*
     REWIND
     ^C
     SUBMIT SETSPD.CTL/TIME/UNIQ:0/REST

The command file PS:<SYSTEM>4-CONFIG.CMD is produced by using EDIT and
typing in the appropriate commands.


4.5  Special Considerations

SETSPD is run automatically by the monitor  when  it  is  started  and
whenever one of the front end PDP11's is reloaded.  It need however be
run under timesharing.

STP4.DOC                                                        Page 4


5.0  INTERNAL CHANGES

Refer to SETSPD.TCO for detailed information about changes.



6.0  SUGGESTIONS

None.



[End of STP4.DOC]