Compaq DWZZH manual About This Guide, Visit our Web Site for the Latest Information, Audience

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About This Guide

This chapter tells you what this User’s Guide does, identifies the audience, describes the structure and contents (chapter-by-chapter) briefly, and tells you how to get support and services from Compaq.

This User’s Guide describes the purpose, function, operation, and use of the DWZZH UltraSCSI Hub (the DWZZH Hub or the Hub). The DWZZH Hub allows the connection of up to five ports on one logical SCSI bus.

Visit our Web Site for the Latest Information

Check our web site for the latest drivers, technical tips, and documentation. We can be found in the technical area of our web page:

http://www.storage.digital.com/

Audience

This guide is intended for end users and for Compaq employees responsible for configuring, installing, and maintaining the StorageWorks subsystem and its components.

Related Documentation

You should be familiar with the information contained in the following documentation:

Document Title

Order Number

StorageWorks Solutions Configuration Guide

EK–BA350–CG

StorageWorks Solutions Shelf and SBB User’s Guide

EK–BA350–UG

StorageWorks SBB Shelf I/O Modules

EK–SBBIO–UG

StorageWorks UltraSCSI Configuration Guidelines

EK–ULTRA–CG

StorageWorks Solutions BA356–SB 16-bit Shelf User’s Guide

EK–BA356–UG

Shared Storage Solutions Using UltraSCSI Hubs

EK–SMA21–AN

Shared Storage for Windows NT Using UltraSCSI Hubs

EK–SMA17–AN

Shared Storage for DIGITAL OpenVMS Using UltraSCSI Hubs EK–SMA19–AN

Shared Storage for DIGITAL UNIX Using UltraSCSI Hubs

EK–SMA20–AN

EK–DWZZH–UG. D01

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Contents Dwzzh 16-Bit UltraSCSI Hub Fourth Edition, November Japan Page Contents Tables Figures Cont’dRevision Level Date Summary of Changes Revision RecordEK- DWZZH-UG. D01 Visit our Web Site for the Latest Information About This GuideAudience Related DocumentationDocument Structure Support and Services Who to contact in the AmericasWho to contact in Asia Pacific Who to contact in EuropePage UltraSCSI Hub Functions Introducing the Dwzzh UltraSCSI HubDwzzh 3.5 SBB Hubs Product DescriptionsDWZZH-21 Front Panel Scsi Bus Components Dwzzh 5.25 SBB HubsLists the functional specifications for the Dwzzh Hub Product SpecificationsDwzzh Hub Functional Specifications Cont’d Feature Large Hub Fair Arbitration Using the Dwzzh UltraSCSI HubLarge Hub Addressing Configurations DWZZH-05 Scsi ID Assignments Narrow Addressing SettingDWZZH-05 Scsi Narrow ID Assignments W1 To enable narrow addressing mode, install a jumper at W1 Front Panel Fair Arb DisableDetermining the Configuration IndicatorsPlacement of UltraSCSI Hubs Selecting the Scsi CablesNot installed Agents and Storage Swcc and UltraSCSI HubsDwzzh 16-Bit UltraSCSI HUB DWZZH-05 Page Controller GlossarySBB Scsi end-bus position Very High Density Cable Interconnect