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

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Technical Support

There are several ways to get technical assistance for your Adaptec product(s). Each is described below. When requesting assistance, be sure that you have the following items available (or if you write or FAX, send them along):

the model of any Adaptec hardware product(s) you have.

the model and version number of any Adaptec software product(s) you are using.

the type and version number of operating system you are using.

the place at which you purchased your Adaptec product.

If you received your Adaptec host adapter as original equipment in a computer system, first contact that computer manufacturer for technical assistance.

If you are an OEM, contact your local Adaptec sales office.

If you wish to contact Adaptec by telephone directly, our technical support phone num- ber is: (408) 945-2550.

Outside of the U.S. and Canada, contact your local authorized Adaptec distributor.

The Adaptec electronic Bulletin Board Service (BBS) is available 24 hours a day at

(408)945-7727. You can connect at 1200, 2400 or 9600 baud, using 8 bits, 1 stop bit and no parity. Questions may be posted to the system operator (sysop). In addition, user manuals, utility programs, and other information are also available through the BBS.

You can write to Adaptec at:

Adaptec, Inc.

Technical Support

691 South Milpitas Blvd.

Milpitas, CA 95035

If you would prefer to contact us by FAX, our number is (408) 262-2533.

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Contents User’s Manual Page User’s Manual Copyright Iii Page Table of Contents Adaptec Glossary Index List of Tables List of FiguresPreface Bold ConventionsPage South milpitas blvd. ∙ milpitas, ca 95035 ∙408945-8600 General Product Information OverviewAdaptec EISA-to-Fast Scsi Host Adapter Overview AHA 1740A/1742A/1744 Program Files Installation SoftwareAHA 1740A/1742A/1744 Operation Modes Bios Operation ModesSystem Caching Description AHA-1740A/1742A/1744 Product Specifications Product Specifications∙ Technical Reference Manual ∙ Installation GuideAssociated Documentation Unpacking and Inspection Hardware InstallationPreparation Scsi Device Termination Scsi TerminatorsScsi ID Scsi ParityPhysical Installation in the System Adaptec Multiple Host Adapter Support Standard ModeEnhanced Mode Standard and Enhanced Modes Running the ADL Program Adaptec Download UtilityHost Adapter Listing ADL Main Menu Download Firmware Screen Download FirmwareDownload Warning Message Screen Firmware Information Enhanced Mode Firmware InformationLow-Level Format Device Selection Screen Low-Level FormatLow-Level Format Option Selection Screen Low-Level Format Options screen displaysExiting the ADL Program Exiting the ADL ProgramPage Standard Mode Operation Host Adapter Bios OperationAdaptec Enhanced Bios Boot Message Enhanced Mode OperationBoot Message With Error Detection Enabled Determining Problems Using the LED TroubleshootingAHA 1740A/1742A/1744 LED Flash Codes Problems Detected During InstallationEISA-to-Fast Scsi Host Adapter Troubleshooting Problems Using a Scsi and a Standard Disk Drive Problems Booting the System from a Scsi DriveProblems Using Two Scsi Drives Adaptec DOS 1 Gigabyte Limit Extended Translation Using DOSDisk Drives Over 1 Gigabyte Drives With Mixed Partitions When to Use Extended Translation With DOS Version 5 OnlyUsing Extended Translation Load ASW-1410 v3.0a Using FdiskQuestions and Answers About Extended Translation Adaptec DOS/Windows Loading the I/O Operating Environment SoftwareUnix Novell NetWareOS/2 Glossary Command Control Block Bus Device ResetCommand Descriptor Block Asynchronous Event NotificationConfiguration Common Command SetDirect Memory Access Control MicroprocessorHost Enhanced ModeFirmware IBM PC-AT Compatible Host AdapterIndustry Standard Architecture InitiatorMailbox Out MailboxManager Multi-tasking OperationScsi Device Scatter/GatherSingle-Ended Single-Threaded OperationSynchronous Data Transfer Standard ModeSynchronous Data Transfer Negotiation Tagged QueuingIndex AHA-1740A/1742A/1744 Index-2 Index-3 AHA-1740A/1742A/1744 Index-4