Seagate ST34321A User manual

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Medalist 8641, Medalist 6531

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Medalist 4321, Medalist 3221

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Medalist 2110

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Ultra ATA Interface Drives

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Product Manual

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Medalist 8641, Medalist 6531

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Medalist 4321, Medalist 3221

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Medalist 2110

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Ultra ATA Interface Drives

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Product Manual

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Publication Number: 20400075-001, Rev. B, January 1999

Seagate, Seagate Technology, the Seagate logo, Medalist and the

Medalist logo are registered trademarks of Seagate Technology, Inc.

Other product names are registered trademarks or trademarks of their

owners.

Seagate reserves the right to change, without notice, product offerings

or specifications. No part of this publication may be reproduced in any

form without written permission from Seagate Technology, Inc.

Contents

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

Specification summary table . . . . . . . . . . . . . . . . . . . 2

1.0 Drive specifications . . . . . . . . . . . . . . . . . . . . . . 5

1.1 Formatted capacity . . . . . . . . . . . . . . . . . . . . . 5

1.1.1 Default logical geometry . . . . . . . . . . . . . . . . 5

1.1.2 Supported CHS translation geometries . . . . . . . . 6

1.2 Physical organization . . . . . . . . . . . . . . . . . . . . 6

1.3 Recording and interface technology . . . . . . . . . . . . . 6

1.4 Physical characteristics . . . . . . . . . . . . . . . . . . . 7

1.5 Seek time . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.6 Start/stop times . . . . . . . . . . . . . . . . . . . . . . . 8

1.7 Power Specifications . . . . . . . . . . . . . . . . . . . . 8

1.7.1 Power consumption . . . . . . . . . . . . . . . . . . 8

1.7.2 Conducted noise . . . . . . . . . . . . . . . . . . . . 10

1.7.3 Voltage tolerance . . . . . . . . . . . . . . . . . . . . 10

1.7.4 Power-management modes . . . . . . . . . . . . . . 11

1.8 Environmental tolerances . . . . . . . . . . . . . . . . . . 12

1.8.1 Ambient temperature . . . . . . . . . . . . . . . . . . 12

1.8.2 Temperature gradient . . . . . . . . . . . . . . . . . 12

1.8.3 Humidity . . . . . . . . . . . . . . . . . . . . . . . . 12

1.8.4 Altitude . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.8.5 Shock . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.8.6 Vibration . . . . . . . . . . . . . . . . . . . . . . . . 13

1.9 Drive acoustics . . . . . . . . . . . . . . . . . . . . . . . 14

1.10 Electromagnetic susceptibility . . . . . . . . . . . . . . . 14

1.11 Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . 14

1.12 Agency certification . . . . . . . . . . . . . . . . . . . . 15

1.12.1 Safety certification . . . . . . . . . . . . . . . . . . 15

Medalist 8641, 6531, 4321, 3221 and 2110, Rev. B iii

1.12.2 Electromagnetic Compatibility . . . . . . . . . . . . 15

1.12.3 FCC verification . . . . . . . . . . . . . . . . . . . . 15

2.0 Drive mounting and configuration . . . . . . . . . . . . . . 17

2.1 Handling and static-discharge precautions . . . . . . . . . 17

2.2 Jumper settings . . . . . . . . . . . . . . . . . . . . . . . 17

2.2.1 Master/slave configuration . . . . . . . . . . . . . . . 17

2.2.2 Alternate capacity jumper . . . . . . . . . . . . . . . 17

2.3 Drive mounting . . . . . . . . . . . . . . . . . . . . . . . 18

3.0 ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . 21

3.1 ATA interface signals and connector pins . . . . . . . . . . 21

3.2 ATA Interface commands . . . . . . . . . . . . . . . . . . 23

3.2.1 Supported ATA commands . . . . . . . . . . . . . . . 23

3.2.2 Identify Drive command . . . . . . . . . . . . . . . . 25

3.2.3 Set Features command . . . . . . . . . . . . . . . . 29

3.2.4 S.M.A.R.T. commands . . . . . . . . . . . . . . . . . 30

iv Medalist 8641, 6531, 4321, 3221 and 2110, Rev. B

Figures

Figure 1. Typical startup and operation current profile . . . . . . . 10

Figure 2. Alternate capacity jumper and master/slave jumpers . . 18

Figure 3. Drive mounting dimensions—top, side and end view . . . 19

Figure 4. I/O pins and supported ATA signals . . . . . . . . . . . 22

Medalist 8641, 6531, 4321, 3221 and 2110, Rev. B v

vi Medalist 8641, 6531, 4321, 3221 and 2110, Rev. B

Introduction

This manual describes the functional, mechanical and interface specifi-

cations for the Medalist8641 (ST38641A), Medalist 6531 (ST36531A),

Medalist 4321 (ST34321A), Medalist 3221 (ST33221A) and Medalist

2110 (ST32110A). These drives are referred to throughout this manual

by their model numbers. These drives provide the following key features:

•Low power consumption

•Quiet operation

•Support for S.M.A.R.T. drive monitoring and reporting

•High instantaneous (burst) data-transfer rates (up to 33.3 Mbytes per

second) using Ultra DMA mode 2

•Full-track multiple-sector transfer capability without local processor

intervention

•128-Kbyte cache

•State-of-the-art caching and on-the-fly error-correction algorithms

•Support for Read Multiple and Write Multiple commands

•Support for autodetection of master/slave drives that use cable select

(CSEL)

•MR recording heads and PRML technology, which provides thedrives

with increased areal density

Medalist 8641, 6531, 4321, 3221 and 2110, Rev. B 1

Specification summary table

The specifications listed in this table are for quick reference. For details

on specification measurement or definition, see the appropriate section

of this manual.

Drive

Specification ST38641A ST36531A ST34321A ST33221A ST32110A

Guaranteed Mbytes

(×106bytes) 8,606 6,505 4,303 3,227 2,111

Guaranteed sectors 16,809,660 12,706,470 8,404,830 6,303,024 4,124,736

Bytes per sector 512

Default sectors per

track 63

Default read/write

heads 16 15 15 16 16

Default cylinders 16,383 13,446 8,894 6,253 4,092

Physical read/write

heads 8 6 4 4 2

Discs 4 3 2 2 1

Recording density

(bits/inch max) 153,870

Track density

(tracks/inch) 9,190

Areal density

(Mbits/inch2 max) 1,581

Spindle speed (RPM) 5,400

Internal data-transfer

rate (Mbits/sec max) 140

I/O data-transfer rate

(Mbytes/sec max) 33.3

ATA data-transfer

modes supported PIO modes 0, 1, 2, 3, 4;

Multiword DMA modes 0, 1, 2;

Ultra DMA modes 0, 1, 2

Cache buffer

(Kbytes) 128

Height (mm max) 26.10

Width (mm max) 101.85

Length (mm max) 147.0

2 Medalist 8641, 6531, 4321, 3221 and 2110, Rev. B

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