System
          Support
          Addendum

          ________________________________________________________________

          PRODUCT NAME:  MicroVAX/DRQ3B Device Driver, Version 1.3     SSA
          29.25.02-A

          HARDWARE REQUIREMENTS

          Processors Supported

          VAX:      VAX 4000 Model 300

          MicroVAX: MicroVAX II, MicroVAX 3300,
                    MicroVAX 3400, MicroVAX 3500,
                    MicroVAX 3600, MicroVAX 3800,
                    MicroVAX 3900

          VAXstationVAXstation II, VAXstation 3200,
                    VAXstation 3500

          Processors Not Supported

          VAX:      VAX 6000 Model 200 Series,

                    VAX 6000 Model 300 Series,

                    VAX 6000 Model 400 Series


                    VAX 8200, VAX 8250, VAX 8300,

                    VAX 8350, VAX 8500, VAX 8530,




                                       DIGITAL                  July 1990

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          MicroVAX/DRQ3B Device Driver, Version 1.3         SSA 29.25.02-A




                    VAX 8600, VAX 8650, VAX 8700,

                    VAX 8800, VAX 8810, VAX 8820,

                    VAX 8830, VAX 8840, VAX 8842,

                    VAX 8974, VAX 8978



                    VAX-11/725, VAX-11/730, VAX-11/750

                    VAX-11/782, VAX-11/785



          MicroVAX: MicroVAX I, MicroVAX 2000,

                    MicroVAX 3100



          VAXstationVAXstation I, VAXstation 2000,

                    VAXstation 3100 Series, VAXstation 3520,

                    VAXstation 3540, VAxstation 8000



          VAXserver:VAXserver 3100, VAXserver 3300,

                    VAXserver 3400, VAXserver 3500,

                    VAXserver 3600, VAXserver 3602,



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          MicroVAX/DRQ3B Device Driver, Version 1.3         SSA 29.25.02-A




                    VAXserver 3800, VAXserver 3900,

                    VAXserver 6000-210, VAXserver 6000-310,

                    VAXserver 6000-410, VAXserver 6000-420,

                    VAXserver 4000 Model 300

          Other Hardware Required

          DRQ3B-AA/SA/SF Parallel DMA Input/Output Module

          Block Space Requirements (Block Cluster Size = 1):

          Disk space required for      700 blocks
          installation:
                                       (0.3M bytes)

          Disk space required for      500 blocks
          use (permanent):
                                       (0.25M bytes)

          These counts refer to the disk space required on the system
          disk. The sizes are approximate; actual sizes may vary depending
          on the user's system environment, configuration, and software
          options.

          OPTIONAL HARDWARE

          Up to 3 additional DRQ3B Interfaces may be added to each system
          for a total of 4 maximum. The maximum number of interfaces that
          can be installed in a BA23 or BA123 system may be limited by the
          number ofavailable A-size I/O panel openings.

          CLUSTER ENVIRONMENT



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          MicroVAX/DRQ3B Device Driver, Version 1.3         SSA 29.25.02-A



          This layered product is fully supported when installed on any
          valid and licensed VAXcluster* configuration. It must be in-
          stalled once on each MicroVAX or VAXstation processor from which
          usage is planned.

          In order to configure some product specific attributes that
          must remain unique to each system, certain components of
          the product are stored in the system specific environment,
          SYS$SPECIFIC:[SYSxxx], of the MicroVAX or VAXstation processor
          on which the installation is performed. The remaining components
          of the product, including some or all of the executable images
          will be installed common to all accessing systems.

          The HARDWARE REQUIREMENTS sections of this product's Software
          Product Description and System Support Addendum detail any
          special hardware required by this product.

          *  V5.x VAXcluster configurations are fully described in the
             VAXcluster Software Product Description (29.78.xx) and in-
             clude CI, Ethernet and Mixed Interconnect configurations.

          SOFTWARE REQUIREMENTS

          VMS Operating System V5.0 - V5.3 or

          MicroVMS Operating System V4.7

          VMS Tailoring

          For VMS V5.x, the following VMS classes are required for full
          functionality of this layered product:

          o  VMS Required Saveset

          o  Programming Support

          o  System Programming Support

          o  Utilities

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          MicroVAX/DRQ3B Device Driver, Version 1.3         SSA 29.25.02-A



          For more information on VMS classes and tailoring, refer to
          the VMS Operating System Software Product Description (SPD
          25.01.xx).

          OPTIONAL SOFTWARE

          None

          GROWTH CONSIDERATIONS

          The minimum hardware/software requirements for any future ver-
          sion of this product may be different from the minimum require-
          ments for the current version.

          DISTRIBUTION MEDIA

          Tape: TK50 Streaming Tape

          This product is also available as part of the VMS Consolidated
          Software Distribution on CDROM.

          ORDERING INFORMATION

          Software Licenses: QL-0APA*-**
          Software Media: QA-0APA*-**
          Software Documentation: QA-0APAA-GZ
          Software Product Services: QT-0APA*-**

          *  Denotes variant fields. For additional information on avail-
             able licenses, services and media refer to the appropriate
             price book.

          The above information is valid at time of release. Please con-
          tact your local Digital office for the most up-to-date informa-
          tion.

          [TM]  The DIGITAL Logo, VAX, MicroVAX, VAXstation, VAXserver and
                VMS are trademarks of Digital Equipment Corporation.

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