Supervisor 26i Relase Notice

      This Supervisor has the following changes

         1)  Implements "advisory sequential" files

         2)  Changes to SCHEDULE to allow L_C stacks to snooze
               even when store too full for snoozing also to penalise
               P4 processes which are very CPU bound

         3)  Minor corrections to OPER,TAPE&FAST


          SUPERVISOR RELEASE NOTICE VSN 26H
          _________________________________


      This Supervisor incorporates the following changes:-

         1) Has a better FAST(32) that permits disc switching
            between controllers and also dumps slaves on system
            error for p4 processors.

         2) Has code for advisory sequential connects.

         3) Improved GPC(36) with proper semaphoring for duals.

         4) Incorporates TAPE(69) with minor corrections.

         5) Prevents SPOOLR&VOLUMS from abusing their privileged
            access to time on the fly category changes


         6) Has code for recovering an OCP that was not present at
            IPL or has been abandoned and mended.




Restrictions
------------

         1) Can only be loaded by CHOPSUPE 20L and later
            as extra space is required for the steering tables.






                                        P. Stephens    20/03/81