290-629 IBM 4700 HOST SUPPORT PROGRAM RELEASE 9 WITH ENHANCEMENTS TO
        THE HOST SUPPORT EXTENSIONS FEATURE
       The IBM 4700 Host Support Program (5668-989) licensed program,
and the IBM 4700 Host Support Extensions feature have been enhanced
to provide improved support of the IBM 4702 Processors and IBM 4701
Model X03 Controllers in the areas of performance, error recovery,
and function enabling management.  IBM 4700 Host Support Program
(HSP) provides system and network management for the IBM 4700
processors.  The IBM 4700 Host Support Extensions feature has been
enhanced to support these new functions.  All models of the 4700 are
supported by Release 9.  Those enhancements utilizing new functions
on the 4700 are supported only when used in conjunction with the
corresponding 4702 and 4701 Model X03 Controller Data Support
Engineering Change (EC) 325258.
       Availability Date:  October 5, 1990.
HIGHLIGHTS
o   User Productivity
    -   Checkpoint Restart and Recovery Facility reduces necessity of
        resubmitting every failed transmission, by restarting at the
        point of failure.
    -   Downline Load Compression Facility improves the performance
        of the transmission, thereby increasing the potential for
        operator productivity.
    -   Virtual Volume Downline Load Enhancements allow the operator
        to prioritize the business tasks when updating intelligent
        workstation applications.
o   Growth Enablement
    -   Enhancements to Enabling Function Management increase the
        uses of the controller by allowing the addition of new
        functions that can be added from a centrally-located host
        site.
o   Business Solutions
    -   Virtual Volume Downline Load Enhancements allow operator to
        prioritize the business tasks when integrating intelligent
        workstation applications.
o   Investment Protection
    -   Enhancements to HTF Error Message Handling provide the
        operator with more information to help determine why the job
        may have failed.