Adaptec AHA-1510A, AHA-1520A

AHA-1510A/20A Series User’s Guide

Stock Number: 510400-00, Rev. C Page: -2

Print Spec Number: 491842-00

Current Date: 12/7/94 ECN Date: 11/29/94

Adaptec, Inc.

691 South Milpitas Boulevard

Milpitas, CA 95035

Adaptec logo are trademarks of Adaptec,

Inc. which may be registered in some

jurisdictions.

Printed in Singapore

STOCK NO.: 510400-00, Rev. C MA 12/94

Contents

Main Page Page Copyright Trademarks Changes Adaptec Technical Support and Services Page Page Table of Contents Preface 1 Introduction 2 Host Adapter Configuration 3 Hardware Installation Page Page List of Figures Page Preface Inside This Manual Chapter 1 Introduction Chapter 2 Host Adapter Configuration Chapter 3 Hardware Installation Conventions Helvetica Italics autoexec.bat nn Advisories Note: Caution: WARNING: Page 1 General Product Information Features Fast Data Transfer Superior Price/Performance Value Multitasking Connectivity Software Support Product Specifications Physical Dimensions Power Requirements Environmental Requirements 2 Configuration Caution: Jumper Block Locations Default Settings 2-4 Stock Number: 510400-00, Rev. C Page: 2-4 Jumper Block J5 2-5 Host Adapter Configuration Stock Number: 510400-00, Rev. C Page: 2-5 Jumper Block J6 2-6 Stock Number: 510400-00, Rev. C Page: 2-6 Jumper Block J7 same The host adapter floppy controller is enabled when the jumper is installed on jumper block J7. Caution: enabled, you must disconnect all other floppy c on- trollers to avoid system hang. Jumper Block J9 (AHA-1520A/1522A) Jumper Block J9 (AHA-1510A) Host Adapter Settings SCSI Disconnection SCSI ID SCSI Parity Checking SCSI Termination Synchronous Negotiation Interrupt Channel ISA Port Address SCSI BIOS SCSI Boot Caution: ISA BIOS Address Optional Host Adapter Settings Data Transfer Mode SCSI Floptical Support Fast SCSI Extended BIOS Translation for DOS Drives > 1 GByte Note: Page 3 Installation Note: Host Adapter Layout Terminating the SCSI Bus 1 2 Terminating SCSI Devices Terminating the Host Adapter Termination for Internal Devices Only Termination for External Devices Only Termination for Internal and External Devices Caution: Setting SCSI IDs 1 2 Inserting the Host Adapter in a Slot WARNING: 4 5 6 7 Note: Connecting SCSI Devices Caution: Choosing SCSI Cables Maximum Cable Lengths Connecting Internal SCSI Devices 1 2 3 4 Connecting External SCSI Devices 1 2 3 Connecting Floppy Drives (AHA-1522A only) 1 2 3 Completing Installation 1 2 3 4 Page 4 DOS/Windows Adaptec EZ-SCSI Other Operating Systems 5 Operating Problems 1 2 3 Page 1 aspi2dos.sys 2 1 2 3 4 5 Page Other Error Messages Page A Disk Drives Extended Translation (Using MS-DOS 5.0) When to Enable Extended Translation Caution: Using Fdisk fdisk Extended Translation Questions and Answers Page Floppy Device Drive Assignmen t autoexec.bat VHD Format