Samsung WA31273A Manuale utente

Technical Manual

3.5”Hard Disk Drives

Winner 3A / 2A

WA31273A / WA32543A

WA33203A / WA31083A

WA32163A / WA32162A

FEBRUARY,1998(REV.D)

Winner 3A

WA31273A / WA32543A / WA33203A

WA31083A / WA32163A

Winner 2A WA32162A

OEM Technical Manual

This TECHNICAL MANUAL may contain some technical inaccuracies or

typographical errors. Changes are periodically made to the information herein,

these changes will be incorporated in new editions of this publication. SAMSUNG

may make improvements and/or changes in the product(s) described in this

publication at any time.

Requests for technical information about this product to SAMSUNG Electronics,

Storage System Division, 94-1 IM SOO-DONG, KUMI CITY, KYUNG BUK,

KOREA.

Trademark Acknowledgments

PC-AT and PC-XT are registered trademarks of International Business Machines

Corporation, Microsoft is a U.S. registered trademark and MS-DOS (DOS) and

Windows are registered trademarks of Microsoft Corporation. UNIX is a

registered trademark of AT&T, Bell Laboratories. All other product names used

in this publication are for identification purposes only and may be trademarks of

their respective companies.

WA31273A / WA32543A / WA33203A / WA32163A / WA31083A / WA32162A 1-1

Chapter 1

SCOPE

This chapter gives an overview of the contents of this manual, including the intended user,

manual organization, terminology and conventions. In addition, it provides a list of other

references that might be helpful to the reader.

1-1 User Definition

The Winner 3A WA31273A / WA32543A / WA33203A / WA32163A / WA31083A, Winner 2A

WA32162A technical manual is intended for the following readers:

•Original Equipment Manufacturers (OEMs)

•Distributors

1-2 Manual Organization

This manual provides information about installation, principles of operation, and interface

command implementation. It is organized into the following chapters:

•Chapter 1 - Scope

•Chapter 2 - Overall Description

•Chapter 3 - Specifications

•Chapter 4 - Installation and Operation

•Chapter 5 - Disk Drive Operation

•Chapter 6 - AT Interface and ATA Commands

•Chapter 7 - Maintenance

In addition, this manual contains a glossary of terms to help you understand important

information.

Scope

1-2WA31273A / WA32543A / WA33203A / WA32163A / WA31083A / WA32162A

1-3 Terminology and Conventions

The abbreviations listed below are used in this manual

µinches Microinches(10-6 inches)

µsMicroseconds

BPI Bits per inch

dB Decibels

FCI Flux changes per inch

GB Gigabytes

Hz Hertz

Kbytes Kilobytes

lbs Pounds

MMeter

mA Milliampere

MB Megabytes

Mbit/s Megabits per second

Mbytes/s Megabytes per second

MHz Megahertz

mil Millinches

ms Milliseconds

mV Millivolts

ns Nanoseconds

RPM Rotations per minute

TPI Tracks per inch

VVolts

WWatts

This manual uses the following convention:

•

Computer Message

Computer message refers to items you type at the computer keyboard. These items are listed

in all capitals in Courier New font. For example:

FORMAT C:/S

•Commands and Messages

Interface commands and messages sent from the drive to the host are listed in all capitals. For

example:

READ CONFIGURATION

WRITE LONG

Scope

WA31273A / WA32543A / WA33203A / WA32163A / WA31083A / WA32162A 1-3

•Parameters

Parameters are given as initial capitals when spelled out and as all capitals when abbreviated.

For example:

Prefetch Enable : PE

Cache Enable : CE

•Names of Bits and Registers

Bit names and register names are presented in initial capitals. For example:

Host Software Reset

Sector Count Register

•Hexadecimal Notation

Hexadecimal notation is identified using the small letter form. For example:

30h

•Signal Negation

A signal name is defined as active low is listed with a dash character following the signal. For

example:

RD-

•Notes

Notes are used after tables to provide you with supplementary information.

•Host

In general, the system in which the drive resides is referred to as the host.

1-4 Reference

For additional information about the AT interface, refer to:

•ATA-3 (AT Attachment 3), Revision 7B, 27 January, 1997

WA31273A / WA32543A / WA33203A / WA32163A / WA31083A / WA32162A 2-1

Chapter 2

OVERALL DESCRIPTION

This chapter summarizes general functions and key features of Winner 3A WA31273A /

WA32543A / WA33203A / WA32163A / WA31083A, Winner 2A WA32162A drives, as well as

the standards and regulations they meet.

2-1 Introduction

The Samsung Winner 3A WA31273A / WA32543A / WA33203A / WA32163A /

WA31083A, Winner 2A WA32162A 3.5 inch disk drives are low cost, high capacity, high

performance random access devices which use non removable 3.5 inch disk(s) as storage

media. The disk is used of thin film metallic media technology for enhanced

performance. Each disk surface employs one movable head to access the data tracks. The

formatted capacity is 1.27, 2.54, 3.2, 2.16, 1.08, and 2.16 gigabytes of storage, respectively.

The Winner 3A WA31273A / WA32543A / WA33203A / WA32163A / WA31083A,

Winner 2A WA32162A drives include the AT controller embedded in the disk drive PCB

electronics. The drive's electrical interface is compatible with the mandatory, optional

and vendor specific commands.

Drive size conforms to the industry standard 3.5 inch form factor. The interface

connectors are the standard 40 pin for AT Interface and 4 pin for DC power supplies.

High capacity is achieved by using Advanced Thin Film Inductive head and PRML

(Partial Response Maximum Likelihood) recording method. This method can increase

capacity by increasing the areal density of the drive..

High performance and low cost are achieved through the use of a rotary voice coil

actuator and an embedded servo system. Embedded servo technology uses special

information recorded on each data cylinder to maintain position accuracy. This

technique assures recording head position accuracy in read or write operations at all

temperatures.

The heads, disk and actuator housing is environmentally sealed. Air circulates within

the HDA through a non-replaceable recirculating filter to ensure the maintenance of a

contamination free disk and actuator environment.

Overall Description

WA31273A / WA32543A / WA33203A / WA32163A / WA31083A / WA32162A 2-2

2-2 Key features

Key features of the Winner 3A WA31273A / WA32543A / WA33203A / WA32163A /

WA31083A, Winner 2A WA32162A hard disk drives include:

•Formatted capacity of 1.27, 2.54, 3.2, 2.16, 1.08, 2.16 Gbytes respectively.

•Low-profile, 1-inch height form factor

•11 msec average seek time

•High accuracy rotary voice coil actuator with embedded sector servo

•Fast ATA-3/E-IDE interface

•Power management for "Green PC"

•ATA standard PIO Mode 0-4/DMA Mode 0-2

•Supports for both CHS and LBA Addressing mode

•Supports for all logical geometries as programmed by the host

•Proprietary 128K read look-ahead cache with a segmented buffer and write stacking

capability

•1:1 interleave on read/write operation

•Transparent media defect mapping

•High performance in-line defective sector skipping

•Automatic error correction and retries

•Optimized 144-bit ECC with triple burst on-the-fly(OTF) correction

•Ability to daisy-chain two drives on the interface

•Automatic magnet latch achieving zero power consumption

•PRML Read channel

•Pseudo Contact Recording, Thin Film Inductive heads

Overall Description

WA31273A / WA32543A / WA33203A / WA32163A / WA31083A / WA32162A 2-3

2-3 Standards and regulations

The Winner 3A WA31273A / WA32543A / WA33203A / WA32163A / WA31083A,

Winner 2A WA32162A depends upon its host equipment to provide proper power and

environment to achieve optimum performance and compliance with applicable industry

and governmental regulations. Special attention has been given in the areas of safety,

power distribution, shielding, audible noise control, and temperature regulation.

The Winner 3A WA31273A / WA32543A / WA33203A / WA32163A / WA31083A,

Winner 2A WA32162A hard disk drives satisfy the following standards and

regulations :

•Underwriters Laboratory (UL) : Standard 1950. Information technology equipment

including business equipment.

•Canadian Standards Association (CSA) : Standard C22.2 No.3000-201 Information

technology equipment including business equipment.

•Technisher Überwachungs Verein (TÜV) : Standard EN 60 950. Information

technology equipment including business equipment.

•CE

2-4 Hardware requirements

Winner 3A WA31273A / WA32543A / WA33203A / WA32163A / WA31083A, Winner

2A WA32162A hard disk drives are compatible with host computers and controllers that

are PC/AT compatible. They are connected to a PC either by:

•Using an adapter board

•Plugging a cable from the drive directly into a PC motherboard with an IDE

(Integrated Drive Electronics) interface.

WA31273A / WA32543A / WA33203A / WA32163A / WA31083A / WA32162A 3-1

Chapter 3

SPECIFICATIONS

This chapter gives a detailed description of the physical, electrical, and environmental

characteristics of the Winner 3A WA31273A / WA32543A / WA33203A / WA32163A /

WA31083A, Winner 2A WA32162A hard disk drives.

3-1 Specification Summary

TABLE 3-1. Specifications

DESCRIPTION WA31273A / WA32543A /

WA33203A

WA31083A /

WA32163A

WA32162A

Number of disks 1/ 2 / 3 1 / 2 2

Number of R/W heads 2/ 4 / 5 2 / 4 4

Maximum recording density (BPI) 124,925 107,829 117,598

Maximum flux density (FCI) 140,541 121,308 132,298

Track density (TPI) 6,900 6,000

Data tracks per surface 6,740 5,963

Encoding method 8,9 GCR

Interface method Fast ATA-3/E-IDE

Acturator type Rotary Voice Coil

Servo type Embedded Sector Servo

Number of Cylinder Reserved 4

Maximum Data Transfer Rate(Mb/s) 107.9 92.86 86.67

Spindle speed (rpm) 5,400 ±0.1% 4,500±0.1%

Specifications

3-2WA31273A / WA32543A / WA33203A / WA32163A / WA31083A / WA32162A

3-2 Physical Specifications

TABLE 3-2. Physical specifications

DESCRIPTION WA31273A / WA32543A /

WA33203A / WA32163A /

WA31083A WA32162A

Track pitch (µinches) 154 167

Data head flying height (µinches) 0.8 1.01

Inner most data track radius (inches) 0.8413 0.8291

Outer most data track radius (inches) 1.7841 1.8090

Physical dimensions :

Length (inches)

Width (inches)

Height (inches)

Weight (lbs)

5.75

4.00

1.00

1.2

3-3 Logical Configurations

TABLE 3-3. Logical configurations

DESCRIPTION WA31273A

WA32543A

WA33203A

WA31083A

WA32163A WA32162A

Default logical mode :

Number of cylinders 2,481

4,962

6,203

2,094

4,190 4,186

Number of heads 16 16 16

Number of sectors 63 63 63

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