Adaptec 1742A User manual

AHA-1740A/1742A/1744
EISA-to-Fast SCSI
Host Adapter
User’s Manual

AHA-1740A/1742A/1744
EISA-to-Fast SCSI
Host Adapter
User’s Manual

Copyright
© Copyright 1992 Adaptec, Inc. All rights reserved. No part of this publication may be
reproduced, stored in a retrieval system, or transmitted in any form or by any means;
electronic, mechanical, photocopying, recording or otherwise, without the prior written
consent of Adaptec, Inc., 691 South Milpitas Blvd., Milpitas, CA 95035.
Trademarks
AMI is a registered trademark of American Megatrends, Inc.
ASPI is a trademark of Adaptec, Inc.
IBM PC-AT and OS/2 are registered trademarks of International Business Machines
Corporation.
MCS is a registered trademark of Intel Corporation.
Microsoft, MS-DOS, and XENIX are registered trademarks and Windows is a trade-
mark of Microsoft Corporation.
Novell and NetWare are registered trademarks of Novell, Inc.
Phoenix is a registered trademark of Phoenix Technologies, Inc.
SCO is a registered trademark of The Santa Cruz Operations, Inc.
SunSoft Interactive Unix is a registered trademark of SunSoft, Inc.
UNIX is a registered trademark of AT&T Bell Laboratories.
USL Unix is a registered trademark of Unix Systems Laboratories, Inc.
Changes
The material in this manual is for information only and is subject to change without
notice.
Adaptec reserves the right to make changes in the product design without reservation
and without notification to its users.
Literature
The Adaptec Literature Department can be reached at 1-800-934-2766.
Additional information may be obtained from:
Adaptec, Inc.
Literature Department - M/S 40
691 South Milpitas Blvd.
Milpitas, CA 95035
ii

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: [phone].
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
[phone]. 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 Adaptecat:
Adaptec, Inc.
Technical Support
691 South Milpitas Blvd.
Milpitas, CA 95035
If you would prefer to contact us by FAX, our number is [phone].
iii

Table of Contents
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix
Conventions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . x
Chapter One
Overview
General Product Information . . . . . . . . . . . . . . . . . . . . . . 1-1
Installation Software . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
BIOS Operation Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
System Caching Description . . . . . . . . . . . . . . . . . . . . . . . 1-6
Product Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Associated Documentation . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Chapter Two
Hardware Installation
Unpacking and Inspection . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
SCSI Terminators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3
SCSI Parity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
SCSI ID . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4
Physical Installation in the System . . . . . . . . . . . . . . . . . 2-5
Chapter Three
Using the Configuration Utility
EISA Configuration Utility . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Host Adapter Interface Mode . . . . . . . . . . . . . . . . . . . 3-4
I/O Port Definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6
DMA Channel Definition . . . . . . . . . . . . . . . . . . . . . . . 3-7
Host Adapter BIOS . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8
Host Adapter SCSI ID . . . . . . . . . . . . . . . . . . . . . . . . 3-10
SCSI Bus Reset at Power-on . . . . . . . . . . . . . . . . . . . 3-10
Advanced Enhanced Mode BIOS Options. . . . . . . . . 3-11
SCSI Device Configuration . . . . . . . . . . . . . . . . . . . . 3-12
v

Standard Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-13
Enable Parity Checking . . . . . . . . . . . . . . . . . . . . . . 3-13
Initiate Synch Negotiation . . . . . . . . . . . . . . . . . . . . 3-14
Enable Disconnection . . . . . . . . . . . . . . . . . . . . . . . . 3-14
Enhanced Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
Error if Device Not Found . . . . . . . . . . . . . . . . . . . . . 3-15
BIOS Support Option . . . . . . . . . . . . . . . . . . . . . . . . 3-16
Send Start Command . . . . . . . . . . . . . . . . . . . . . . . . 3-17
Enable Parity Checking . . . . . . . . . . . . . . . . . . . . . . 3-17
Initiate Synch Negotiation . . . . . . . . . . . . . . . . . . . . 3-17
Enable Disconnection . . . . . . . . . . . . . . . . . . . . . . . . 3-18
Maximum Synch Xfer Rate . . . . . . . . . . . . . . . . . . . . 3-19
Chapter Four
Multiple Host Adapter Support
Standard Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Enhanced Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Standard and Enhanced Modes . . . . . . . . . . . . . . . . . . . . . 4-2
Chapter Five
Adaptec Download Utility
Running the ADL Program . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Download Firmware . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Firmware Information . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
Low-Level Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Exiting the ADL Program . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
Chapter Six
Host Adapter BIOS Operation
Standard Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
Enhanced Mode Operation . . . . . . . . . . . . . . . . . . . . . . . . 6-3
adaptec AHA-1740A/1742A/1744
vi

Chapter Seven
Troubleshooting
Determining Problems Using the LED . . . . . . . . . . . . . . . 7-1
Problems Detected During Installation . . . . . . . . . . . . . . 7-2
Problems Booting the System from a SCSI Drive . . . . . . 7-4
Problems Using a SCSI and a Standard Disk Drive . . . . 7-4
Problems Using Two SCSI Drives . . . . . . . . . . . . . . . . . . . 7-5
Appendix A
Disk Drives Over 1 Gigabyte
Extended Translation (Using DOS 5) . . . . . . . . . . . . . . . A-1
The DOS 1 Gigabyte Limit . . . . . . . . . . . . . . . . . . . . . . . A-1
When to Use Extended Translation . . . . . . . . . . . . . . . . A-2
With DOS Version 5 Only . . . . . . . . . . . . . . . . . . . . . A-2
Drives With Mixed Partitions . . . . . . . . . . . . . . . . . . A-2
Using Extended Translation . . . . . . . . . . . . . . . . . . . A-2
Using Fdisk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-3
Load ASW-1410 v3.0a . . . . . . . . . . . . . . . . . . . . . . . . A-3
Questions and Answers About Extended Translation . . A-3
Appendix B
Loading the I/O Operating Environment Software
DOS/Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1
Novell NetWare . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2
OS/2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2
Unix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-2
Glossary
Index
Table of Contents
EISA-to-Fast SCSI Host Adapter
vii

List of Figures
Figure 2-1. SCSI Device Termination . . . . . . . . . . . . . . . . . . 2-3
Figure 3-1. System Configuration Overview . . . . . . . . . . . . . 3-2
Figure 3-2. System Configuration Detailed View . . . . . . . . . 3-3
Figure 3-3. Change Resources Screen . . . . . . . . . . . . . . . . . . 3-5
Figure 3-4. SCSI Configuration Options . . . . . . . . . . . . . . . 3-12
Figure 3-5. Global Configuration Options . . . . . . . . . . . . . . 3-13
Figure 3-6. SCSI Device Configuration Settings . . . . . . . . 3-15
Figure 5-1. Host Adapter Listing . . . . . . . . . . . . . . . . . . . . . . 5-2
Figure 5-2. ADL Main Menu . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Figure 5-3. Download Firmware Screen . . . . . . . . . . . . . . . . 5-4
Figure 5-4. Download Warning Message Screen . . . . . . . . . 5-5
Figure 5-5. Enhanced Mode Firmware Information . . . . . . . 5-6
Figure 5-6. Low-Level Format Device Selection Screen . . . . 5-7
Figure 5-7. Low-Level Format Option Selection Screen . . . 5-8
Figure 5-8. Exiting the ADL Program . . . . . . . . . . . . . . . . . . 5-9
Figure 6-1. Standard BIOS Boot Message . . . . . . . . . . . . . . 6-1
Figure 6-2. Enhanced BIOS Boot Message . . . . . . . . . . . . . . 6-3
Figure 6-3. Boot Message with Error Detection Enabled . . 6-4
List of Tables
Table 1-1. AHA 1740A/1742A/1744 Program Files . . . . . . . . 1-4
Table 1-2. AHA 1740A/1742A/1744 Operation Modes . . . . . . 1-5
Table 1-3. AHA-1740A/1742A/1744 Product Specifications . 1-7
Table 3-1. BIOS Installation Limitations . . . . . . . . . . . . . . . . 3-9
Table 7-1. AHA 1740A/1742A/1744 LED Flash Codes . . . . . 7-2
adaptec AHA-1740A/1742A/1744
viii