PrefaceThis User Guide provides information relating to the operationof the Adaptec AHA-1740A/1742A/1744 EISA-to-Fast SCSIHost Adapter in an EISA (Extended Industry Standard Archi-tecture) system.Chapter One, Overview, provides general information and alist of files provided for configuration.Chapter Two, Hardware Installation, describes the installa-tion of the AHA-1740A/1742A/1744 host adapter in your EISAsystem.Chapter Three, Using the Configuration Utility, containsinformation on configuring the host adapter with a configura-tion utility.Chapter Four, Multiple Host Adapter Support, explains howmore than one host adapter can be used in an EISA system.Chapter Five, Adaptec Download Utility, explains firmwaredownload procedure, which is available for the AHA-1740 andAHA-1744 only.Chapter Six, Host Adapter BIOS Operation, explains thestandard and enhanced BIOS operation modes.Chapter Seven, Troubleshooting, offers information relatingto 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 morethan1 Gigabyte.Appendix B, Loading the I/O Operating Environment Soft-ware, contains a description of software used to connect morethan two fixed disk drives.ix