Adaptec AHA-1740A Technical Reference Manual

Also see for AHA-1740A: User manual Instructions for installing Installation guide

Contents

ASW-C174 Configuration Diskette.............................................................................. 2-12Chapter Three - InstallationUnpacking and Inspection.............................................................................................. 3-1Installation ...................................................................................................................... 3-1System Configuration Background for Standard Mode......................................... 3-2Preparation............................................................................................................... 3-2Termination .............................................................................................................. 3-3SCSI Addressing (ID)............................................................................................... 3-3SCSI Parity............................................................................................................... 3-4Hardware Installation ............................................................................................. 3-4Checklist ................................................................................................................... 3-7Terminators .............................................................................................................. 3-7System Configuration..................................................................................................... 3-7MCS Configuration .................................................................................................. 3-9Standard Mode SCSI Configuration ..................................................................... 3-11Enhanced Mode SCSI Configuration .................................................................... 3-12Multiple Adapters Sharing Same SCSI Bus......................................................... 3-14Phoenix Configuration ........................................................................................... 3-15Floppy Disk Configuration..................................................................................... 3-15ADL Utility.................................................................................................................... 3-15ADL Operation.............................................................................................................. 3-16List of Adapters ...................................................................................................... 3-16Main Menu.............................................................................................................. 3-16Download Firmware (AHA-1740/1744 Only)........................................................ 3-17Firmware Information (AHA-1740/1744/1740A/1742A) ...................................... 3-18Low-level Format ................................................................................................... 3-18Chapter Four - Hardware Functional DescriptionHardware Overview........................................................................................................ 4-1Standard Mode I/O Port Interface ................................................................................. 4-1I/O Port Interface Bit Definition ............................................................................. 4-2Control and Status Port........................................................................................... 4-3Command/Data Out and Data In Port.................................................................... 4-5Interrupt Flag Port .................................................................................................. 4-6Reset Functions .............................................................................................................. 4-8Hard Reset Operations ............................................................................................ 4-8SCSI Reset Operations ............................................................................................ 4-9SCSI Soft Reset Option ............................................................................................ 4-9SCSI Hard Reset Option ....................................................................................... 4-10EISA Expansion Identifiers ......................................................................................... 4-10Expansion Board ID Registers .............................................................................. 4-11Board Configuration Registers .............................................................................. 4-12I/O Port Register Standard Mode (Group 1)......................................................... 4-17I/O Port Register Enhanced Mode (Group 2)........................................................ 4-20Diskette Registers......................................................................................................... 4-23Table of Contentsvi