Preface

This User Guide provides information relating to the operation of the Adaptec AHA-1740A/1742A/1744 EISA-to-Fast SCSI Host Adapter in an EISA (Extended Industry Standard Archi- tecture) system.

Chapter One, Overview, provides general information and a list of files provided for configuration.

Chapter Two, Hardware Installation, describes the installa- tion of the AHA-1740A/1742A/1744 host adapter in your EISA system.

Chapter Three, Using the Configuration Utility, contains information on configuring the host adapter with a configura- tion utility.

Chapter Four, Multiple Host Adapter Support, explains how more than one host adapter can be used in an EISA system.

Chapter Five, Adaptec Download Utility, explains firmware download procedure, which is available for the AHA-1740 and AHA-1744 only.

Chapter Six, Host Adapter BIOS Operation, explains the standard and enhanced BIOS operation modes.

Chapter Seven, Troubleshooting, offers information relating to the LED functioning and possible problem occurrences dur- ing host adapter operation.

Appendix A, Disk Drives Over 1 Gigabyte, contains configura- tion information relating to disk drives with a capacity of more than

1 Gigabyte.

Appendix B, Loading the I/O Operating Environment Soft- ware, contains a description of software used to connect more than two fixed disk drives.

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Adaptec 1744, AHA-1740A, 1742A user manual Preface