Adaptec ACB-2370 Manual de usuario

adaptec

ACB-2370/ACB-2372

User's Manual

part

this publication may be reproduced, stored in a retrieval system,

transmitted,

inanyform

anymeans,electronic,mechanical,photocopying,recording,

otherwise,

without the prior written consent

Adaptec, Inc., 691 South Milpitas Blvd., Milpitas,

California 95035.

TRADEMARKS

The trademarksreferred to in this manual are identified

and

acknowledgedas follows: IBM

PC/AT, PC-DOS, and OS/2 are registered trademarks

International Business Machines

Corporation. MS-DOS is a registered trademark

Microsoft Corporation. Unix is a

registered trademark

& T. Xenix is a registered trademark

Intel Corporation.

Net

Ware

is a registered trademark

Novell Corporation.

CHANGES

The material

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.

Additional information may

obtained from:

Adaptec, Inc.

Literature Department

691 South Milpitas Blvd.

Milpitas,

95035

FCC COMPLIANCE

This equipment generates and uses radio frequency and

not installed and used properly, that

is, instrict accordance with the manufacturer's instructions, may cause interference

radio and

television reception. It has been type tested and found to comply with the limits for a Class B

computing device

accordance with the specifications inSubpart

Part 15

FCC Rules,

which are designed

provide reasonable protection against such interference in a residential

installation. However, there is no guarantee that interference will notoccur in a particularinstal-

lation.

this equipmentdoes cause interference to radio

television reception, which can be

determined by turning the equipment

off

and on, the user is encouraged to

try

correct the

interference

one ormore

the following measures:

Reorient the receiving antenna.

Relocate the computer with respect to the receiver.

Move the computer away from the receiver.

Plug the computerinto a differentoutletso thatcomputer and receiver are

OI'I.

different

branch circuits.

necessary, the user shouldconsult the dealer

an experiencedradio/television technician for

additional suggestions. The usermay find the following booklet prepared by the Federal Com-

munications Commission helpful:

"How to Identify andResolve Radio-'IVInterference Problems"

This booklet is available from the U.S. Government Printing Office, Washington, DC 20402,

Stock No. 004-000-00345-4.

Table

Contents

Section

Page

1.0 INIRODUCTION

1-1

1.1

Scope and Purpose

Manual

1-1

1.2 Reference Documents

1-1

1.3 Overview

Product

1-1

1.4 Hardware and SoftwareRequirements 1-4

2.0 HARDWARE INSTALLATION 2-1

2.1 Introduction 2-1

2.2

Environmental Requirements 2-1

2.3 Unpacking Procedure 2-1

2.4 ACB-2372 Board Layout 2-2

2.5 ACB-2370 BoardLayout 2-3

2.6 System Requirements 2-4

2.7 Integration Into the System 2-6

3.0

SOFIW

ARE INSTALLATION 3-1

3.1 Introduction 3-1

3.2

Software Installation Flowchart 3-1

3.3 FormatProcedure for a Single Hard Disk Drive 3-7

4.0

1ROUBLESHOOTING 4-1

4.1 Introduction 4-1

4.2

Adaptec ACB-237X Troubleshooting Checklist 4-2

4.3 Controller Error Codes 4-3

4.4 BIOS Error Codes 4-7

5.0

APPENDICES

A-1

I. Installing SCO Xexix

A-1

II. Installing ISC UNIX A-2

III. Installing OS/2 A-3

IV. Installing Novell 2.0A A-5

Installing Novell 2.1 A-7

VI. Adaptec Autoconfiguration A-10

VII. Driver and Operating System Support A-12

VIII.

Using More Than 1024 Cylinders A-14

adaptec

Table

Contents

LIST

TABLES

Table

Page

2-1 ACB-237X System Memory Map 2-4

2-2 ACB-2372 ControllerPowerRequirements 2-5

2-3 ACB-2370 ControllerPower Requirements 2-5

2-4 ACB-2372 ControllerJumper Definitions 2-6

2-5 ACB-2370 ControllerJumper Definitions 2-8

2-6 ACB-2372 Controller Connector Definitions 2-15

2-7 ACB-2370 Controller Connector Definitions 2-15

4-1 Class 00 Error Codes (Drive Errors) 4-4

4-2 Class 01 Error Codes (Data Recovery Errors) 4-5

4-3 Class

Error Codes (System-Related Errors) 4-6

4-4 Class 03 Error Codes (Diagnostics Errors) 4-6

4-5 Class 04 Error Codes (Timeouts and Misc. Errors) 4-7

4-6 BIOS Error Codes 4-7

LIST

FIGURES

Figure

Page

2-1 ACB-2372 BoardLayout 2-2

2-2 ACB-2370 BoardLayout 2-3

2-3 ACB-2372 Controllerand Drive Cabling-Twisted

Cable (Hard Disk Cables) 2-11

2-4 ACB-2372 Controller and Drive Cabling-Flat Cable

(Hard Disk Cables) 2-12

2-5 ACB-2370 Controllerand Drive Cabling-Twisted

Cable (Hard Disk Cables) 2-13

2-6 ACB-2370 Controller and Drive Cabling-Flat Cable

(Hard Disk Cables) 2-14

ACB-237X

Section One

Introduction

1.1

SCOPE AND

PURPOSE

MANUAL

The

purpose

this manual

guide

the system

integrator

through

successful installation

Adaptec's

ACB-237X

board.

This

includes

both

hardware and software installation,

well as basic troubleshooting information.

REFERENCE

DOCUMENTS

IBM

AT Guide to Operations Manual

IBM DOS Reference Manual Version 3.0 or Higher

IBM

Technical Reference Manual

Appropriate Disk Drive User's Manual

1.3

OVERVIEW

PRODUCT

The

Adaptec ACB-2372 is a high-performance 2,7

RLL

Hard Disk

and

Floppy

Disk

Controller for the IBM

and equivalent personal computers.

The

ACB-2370 is a 2,7

RLL

Hard Disk Controller. The ACB-237X controllers are

software

and

hardware compatible with the

IBM

hard disk controller

interface.

The

Adaptec ACB-2372 2,7

RLL

Hard Disk

and

Floppy

Disk

Controller

and

ACB-2370 Hard Disk Controller have the following features:

IBM hardware compatible.

Plugs directly into

bus compatible systems

without modification. Register (port) compatible to the IBM

controller,

giving true compatibility.

IBM software compatible.

Runs all software, without change, that runs on

the IBM AT controller. Runs software that communicates through the

system BIOS

directly to the controller registers, thus, the highest

compatibility is achieved.

1 - 1

adaptec

Section One

Supports

two

2,7 run-length limited (RLL) qualified ST-4121506 drives.

Runs High Performance 7

MHz RLL drives from all major RLL

manufacturers. Supports two drives that have different capacities, different

access times and different manufacturers without controller modification.

Drives with up to 16 heads and 4096 cylinders are supported by the

controller through the registers, 1024 cylinders via INT

13.

Provides both

the highest capacity and highest performance.

Can support more than 1024 cylinders under DOS. A built-in partition

driver allows use

drives with more than 1024 cylinders under DOS.

Breaks the OOS INT

limit. See Appendix VIII for details.

Highest

2,7 RLL performance. The combination

non-interleaved

operation, low controller overhead, and 26 sectors per track give the ACB-

237X the highest transfer rate available today. This is from 700 Kilobytes

per second to as high as 750 Kilobytes per second data transfer depending

on system configuration, thus the highest system performance in

multitrack data transfers.

Non-interleaved operation. This gives the ability to read one track

data

in one disk revolution, the maximum rate that the drive can give data to the

controller. This provides the fastest controller/drive performance.

Most accurate 2,7RLL data separator. The AIC-6225 Data Separator chip

used in all Adaptec 2,7 RLL designs has the smallest data separator window

margin in the industry. For the ACB-237X, the window margin is 3.3

nanoseconds compared to 6-10 nanoseconds for the competition. This

insures the hightest data reliability for your valuable data.

Optional on-board

Adaptec

ACB-BIOS. This provides the

most

functionality

any AT controller. The copyrighted ACB-BIOS contains

the

low

level

format,

defect

management,

data

verification,

autoconfiguration

any drive without changing AT system BIOS, large

disk partitioning and OOS device driver. The ACB-BIOS functions are also

accessible by your customized redirected 1/0 drive configuration program.

ACB-237X

1 -2

Introduction

ACB-BIOS low-level primary format. This provides the ability

the

controller to format the drive without the need

system diagnostics

changing the AT system BIOS.

ACB-BIOS ability to

add

grown defects, save and protect all defect lists.

This gives the ability to run additional defect tests and add the defects to

those the manufacturer found. Also the controller saves and protects both

the manufacturer's and grown lists from accidental erasure, thus the highest

data reliability.

ACB-BIOS sector-level defect mapping. This flags a sector on the disk to

be unusable and reports to the operating system its location, giving system

level data integrity.

ACB-BIOS data verification using worst case data patterns. This tests the

disk with the worst possible combinations

data before valuable user data

is placed on the disk. This provides the highest data reliability.

ACB-BIOS autoconfiguration

any 2,7 RLL drive, not in

system

BIOS. This allows any 2,7 RLL drive to

formatted and used without

changing

the

system

BIOS

drive

tables.

This

simplifies

the

cumbersome task

changing EPROM drive tables to add 2,7 RLL. The

controller writes the drive parameters onto the drive during format and reads

them on power up. This is ideal for field upgrades since the controller does

not need to be hardware configured to the specific drive. This achieves the

highest drive flexibility possible.

ACB-BIOS large disk logical partitioning. Since many 2,7 RLL drives are

greater than the 32 MB limitation set

DOS 3.0, 3.1 and 3.2, this

allows you to divide the drive into volumes

any size up to 32

each.

Up to 16 volumes can be defined on one drive

24 volumes on two

drives, maximizing the drive capacity under a DOS environment.

ACB-BIOS downloadable DOS driver. The ACB-BIOS has a device driver

that is downloaded to a floppy. This allows access to the 16

24 32 MB

volumes defined by the Large Disk Logical Partitioning. This gives all

1 - 3 adaptec

Section

One

the software necessary to go beyond 32 MB right on the controller, thus

reducing your support and eliminating the need to write a device driver.

height board. This allows use in both XT and AT height machines,

thus giving you flexibility in choosing your machine's enclosure.

High component integration using Adaptec !Cs. Adaptec is committed to

IC developement in order to integrate and to reduce the price

both boards

and ICs. Adaptec's ICs are used in all Adaptec boards and in most integrated

drives on the market; therefore, Adaptec components are proven in

reliability and in high volume production.

Use

surface mount technology. Adaptec is committed to the leading edge

technology. Surface Mount Technology allows greater functionality in

smaller spaces, as well as higher reliability.

The

ACB-2372

has

these

additional

features:

Support

two

IBM

AT-type

floppy

disk

drives. Compatible with the

most popular IBM floppy capacities. This includes 360 KB and 1.2 MB

floppy capacities for 5 1/4" floppy compatibility. Also supports 3 1/2"

floppies that use the 5 1/4" floppy drive interface.

Analogfloppy data separator. This gives much higher data integrity than

digital data separators. Thus floppy data reliability and data retrievability are

improved over previous AT floppy controllers.

1.4

HARDWARE

AND

SOFTWARE

REQUIREMENTS

The

Adaptec ACB-2372 Hard Disk and Floppy Disk Controller has been

designed to run in IBM PC AT-compatible computers that do not have a separate

or embedded floppy disk controller.

The Adaptec ACB-2370 Hard Disk Controller has been designed to run in IBM

PC AT-compatible computers that have a separate or embedded floppy disk

controller.

ACB-237X

1-4

Introduction

In order

install an Adaptec ACB-237X into an IBM PC AT-compatible

computer, the following configuration is required:

ACB-2372: IBM

AT-compatible computer without floppy disk

controller.

ACB-2370: IBM PC AT-compatible computer with floppy disk controller.

Note: Compatible computers are defined to have

110

bus speeds

6 MHz with one

110

wait stale, 8 MHz with one

110

wait stale or

MHz with two

110

wait states.

110

bus

speed is not the same as CPU or memory speeds. For example, a

MHz 286 or

386

machine typically runs the

110

bus

8 MHz with one

110

wait state.

2. PC

MS-DOS Version 3.0

higher. System and supplemental program

diskettes.

The ACB-237X will also run with non-DOS operating systems and

networks. Please refer to the appendix for operation with Interactive

System Unix V/386, SCO Xenix

V.2.x,

Novell NetWare 2.x, OS/2 and

other operating systems.

3. A "set-up" diskette that allows the PC AT-compatible computer's

configuration RAM to

set up (such as the diagnostics diskette IBM

supplies with its PC ATs.)

Adaptec ACB-2372 hard disk and floppy disk controller or ACB-2370 hard

disk controller.

A 2,7 RLL qualified Winchester disk drive (Ask your drive manufacturer

your drive is qualified for 2,7 RLL data encoding).

6. 5 1/4"

3 1/2" floppy disk drive.

7. 20- and 34-pin flat

twisted ribbon cables for hard disk.

8. 34-pin twisted ribbon cable for floppy disk.

1 -5 adaptec

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