Seagate Medalist Pro Family Manuale utente

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Medalist Pro Family

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Medalist Pro 6450 (ST36450A)

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Medalist Pro 5040 (ST35040A)

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ATA Interface drives

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Product Manual

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Medalist Family

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Medalist Pro 6450 (ST36450A)

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Medalist Pro 5040 (ST35040A)

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ATA Interface drives

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Product Manual

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Publication Number: 32652-001, Rev. A, February 1997

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

Medalist logo are registered trademarks of Seagate Technology, Inc.

Other product names are trademarks or registered 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

Quick specification chart . . . . . . . . . . . . . . . . . . . . . . 3

1.0 Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 5

1.1 Formatted Capacity . . . . . . . . . . . . . . . . . . . . . . 5

1.1.1 Standard Configuration . . . . . . . . . . . . . . . . . . 5

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

1.3 Functional specifications . . . . . . . . . . . . . . . . . . . 6

1.4 Physical dimensions . . . . . . . . . . . . . . . . . . . . . . 7

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

1.6 Multisegmented cache buffer . . . . . . . . . . . . . . . . . 7

1.7 Start and stop times . . . . . . . . . . . . . . . . . . . . . . 8

1.8 Typical power-up and power-down sequence . . . . . . . . . 8

1.9 Power-up sequence . . . . . . . . . . . . . . . . . . . . . 9

1.9.1 Power-down sequence . . . . . . . . . . . . . . . . . . 9

1.10 Auto-park . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.11 Power specifications . . . . . . . . . . . . . . . . . . . . . 9

1.11.1 Power management . . . . . . . . . . . . . . . . . . . 9

1.11.2 Power consumption . . . . . . . . . . . . . . . . . 11

1.12 Input noise . . . . . . . . . . . . . . . . . . . . . . . . . 11

1.13 Environmental specifications . . . . . . . . . . . . . . . . 11

1.13.1 Ambient temperature . . . . . . . . . . . . . . . . . 11

1.13.2 Temperature gradient . . . . . . . . . . . . . . . . . 12

1.13.3 Altitude . . . . . . . . . . . . . . . . . . . . . . . . 12

1.13.4 Relative humidity . . . . . . . . . . . . . . . . . . . 12

1.14 Shock and vibration . . . . . . . . . . . . . . . . . . . . 12

1.15 Acoustics . . . . . . . . . . . . . . . . . . . . . . . . . . 13

1.16 Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . 13

1.17 Agency listings . . . . . . . . . . . . . . . . . . . . . . . 13

1.18 Electromagnetic Compliance for the European Union . . . 14

Medalist Pro 6450/5040 Product Manual, February 1997 iii

1.19 FCC verification . . . . . . . . . . . . . . . . . . . . . . 14

2.0 Configuring and mounting the drive . . . . . . . . . . . . . 17

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

2.2 I/O cable and connector. . . . . . . . . . . . . . . . . . . 18

2.3 Power connector . . . . . . . . . . . . . . . . . . . . . . . 18

2.4 Options jumper block . . . . . . . . . . . . . . . . . . . . 19

2.4.1 Master/slave configuration . . . . . . . . . . . . . . 20

2.4.2 Alternate capacity jumper . . . . . . . . . . . . . . . . 21

2.4.3 Remote LED connection . . . . . . . . . . . . . . . . 21

2.4.4 Cable-select option . . . . . . . . . . . . . . . . . . . 21

2.5 Mounting the drive . . . . . . . . . . . . . . . . . . . . . . 22

3.0 ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . 25

3.1 ATA Interface connector pin assignments . . . . . . . . . . 25

3.2 Command set . . . . . . . . . . . . . . . . . . . . . . . . 27

3.2.1 Identify drive command (ECH) . . . . . . . . . . . . . 29

3.2.2 Set Features command (EFH) . . . . . . . . . . . . . 32

3.2.3 Standby timer timeout period . . . . . . . . . . . . . . 34

3.2.4 Sleep command (99H, E6H) . . . . . . . . . . . . . . 34

3.2.5 Automatic Reallocation . . . . . . . . . . . . . . . . . 34

3.2.6 S.M.A.R.T. command (B0H) . . . . . . . . . . . . . . 35

Appendix. Timing diagrams . . . . . . . . . . . . . . . . . . . . 37

iv Medalist Pro 6450/5040 Product Manual, February 1997

Figures

Figure 1. Typical startup current profile . . . . . . . . . . . . . . . . 8

Figure 2. ATA interface connector . . . . . . . . . . . . . . . . . 18

Figure 3. Connectors . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 4. Configuration settings . . . . . . . . . . . . . . . . . . . 20

Figure 5. Connecting cable-selected drives . . . . . . . . . . . . . 22

Figure 6. Mounting dimensions . . . . . . . . . . . . . . . . . . . 23

Figure 7. ATA interface connector pin assignments . . . . . . . . 26

Figure 8. Programmed I/O timing without IORDY . . . . . . . . . . 37

Figure 9. Programmed I/O timing with IORDY . . . . . . . . . . . 38

Figure 10. Multiword DMA timing . . . . . . . . . . . . . . . . . . 39

Medalist Pro 6450/5040 Product Manual, February 1997 v

vi Medalist Pro 6450/5040 Product Manual, February 1997

Introduction

This manual describes the functional, mechanical and interface specifi-

cations for the Medalist®Pro 6450 and Medalist Pro 5040 hard disc

drives. The drives are referred to throughout this manual by their model

numbers, ST36450A for the Medalist Pro 6450 and ST35040A for the

Medalist Pro 5040.

Seagate®desktop products take a step intothe future withtheST36450A

and ST35040A. These drives feature MR heads and PRML recording

technology, Fast ATA-2 performance, segmented cache, embedded

servo technology, low noise, power management and S.M.A.R.T. capa-

bilities.

The ST36450A contains five discs and the ST35040A contains four

discs. These drives use MR heads and PRML recording technology that

provide the drives with increased areal density. This means that more

data can be stored on each disc.

Fast ATA-2 performance means that the drives support PIO mode 4,

multiword DMA mode 2 transfer modes and multiple block read/write.

When the host chooses either transfer mode, the drives provide burst-

transfer rates of up to 16.6 Mbytes per second. The multiple block

read/write feature allows the drives to store several blocks of data in

cache and transfer them in a single burst.

These drives use a 512-Kbyte segmented cache. Segmenting the cache

providesadesignatedareawhereblocksofcontiguousreadorwritedata

can be staged for transfer in a single burst.

The ST36450A and ST35040A drives have other features that ensure

fast data throughput. Embedded servo technology allows the drives to

position the heads for data retrieval efficiently and accurately while

eliminating the periodic thermal recalibration that can interrupt during

data transfers. These drives also use a 16-bit microprocessor and an

intelligent controller that provides data streaming: direct data transfers

between the drive and the host without microprocessor intervention.

These features allow for a sustained data-transfer rate that facilitates

video playback and other multimedia operations.

These drives support Active, Idle and Standby power-management

modes. Power-saving modes can be controlled by the host computer.

Standby mode reduces power consumption to 1 watt (typical) while

retaining drive accessibility.

Self-Monitoring, Analysis and Reporting Technology (S.M.A.R.T.) is

available on these drives. This feature is discussed on page 35. To use

the feature, you must have a BIOS, a software driver or application

software that supports S.M.A.R.T.

Medalist Pro 6450/5040 Product Manual, February 1997 1

The ATA commands with specific applications for these drives and the

Seagate-unique commands the drives use are discussed in Section 3.0

onpage25.Acompletelistofthecommandsthedrivessupportarefound

in the table on page 27.

The following is a summary of the drives’ features:

Capacity

•6.4 and 5.0 Gbytes formatted

•LBA translation support

•Available software driver that surpasses the 528-Mbyte barrier and

4,096 cylinder barrier limited by some system BIOSs

•Available software driver that provides expanded 32-bit disk access

support for Windows 3.

Performance

•Fast ATA-2 (Supports multiword DMA mode 2 and PIO mode 4for up

to 16.6-Mbyte-per-second burst transfer rates. Supports multiple

block read/write.)

•512-Kbyte segmented buffer

•12-msec average read seek time

•13.5-msec average write seek time

•Data streaming

Energy efficiency

•Active, Idle and Standby power-management modes

•2 watt typical power dissipation rating in Standby mode

2 Medalist Pro 6450/5040 Product Manual, February 1997

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