Seagate Medalist 2520 Manuale utente

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Medalist 2520

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Ultra ATA Interface Drive

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Product Manual

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Medalist 2520 (ST32520A)

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Ultra ATA Interface Drive

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Product Manual

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Publication Number: SG35087-001, Rev. A, October 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

Specification summary table . . . . . . . . . . . . . . . . . . . . 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 . . . . . . . . . . . . . . . . 12

1.13.1 Ambient temperature . . . . . . . . . . . . . . . . . 12

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

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

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

1.14 Shock . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.14.1 Operating shock . . . . . . . . . . . . . . . . . . . . 12

1.14.2 Nonoperating shock . . . . . . . . . . . . . . . . . . 13

1.14.3 Operating vibration . . . . . . . . . . . . . . . . . . . 13

1.14.4 Nonoperating vibration . . . . . . . . . . . . . . . . . 13

Medalist 2520 Product Manual, Rev. A iii

1.15 Acoustics . . . . . . . . . . . . . . . . . . . . . . . . . . 14

1.16 Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . 14

1.17 Agency listings . . . . . . . . . . . . . . . . . . . . . . . 14

1.18 Electromagnetic compliance for the European Union . . . 14

1.19 FCC verification . . . . . . . . . . . . . . . . . . . . . . 15

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

2.4.4 Diagnostics jumper . . . . . . . . . . . . . . . . . . . 21

2.4.5 Life test jumper . . . . . . . . . . . . . . . . . . . . . 22

2.5 Mounting the drive . . . . . . . . . . . . . . . . . . . . . . 23

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. commands (B0H) . . . . . . . . . . . . . . 35

3.3 Synchronous DMA transfer . . . . . . . . . . . . . . . . . 36

3.3.1. Signal line definitions . . . . . . . . . . . . . . . . . . 36

3.3.2 Protocol rules . . . . . . . . . . . . . . . . . . . . . . 36

3.3.3 Error register . . . . . . . . . . . . . . . . . . . . . . 37

Appendix. Timing diagrams . . . . . . . . . . . . . . . . . . . . 39

iv Medalist 2520 Product Manual, Rev. A

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 . . . . . . . . . . . . . . . . . . . 24

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

Figure 8. Programmed I/O timing (with or without IORDY) . . . . . 39

Figure 9. Multiword DMA timing . . . . . . . . . . . . . . . . . . . 40

Figure 10. Sustained synchronous DMA burst . . . . . . . . . . . 41

Medalist 2520 Product Manual, Rev. A v

vi Medalist 2520 Product Manual, Rev. A

Introduction

This manual describes the functional, mechanical and interface specifi-

cations for the Medalist®2520 hard disc drive. This drive is referred to

throughout this manual by its model number, ST32520A.

Seagate®desktopproductstakeastepintothefuturewiththeST32520A.

The drive featuresadvanced thin-filmproximity headsand PRMLrecord-

ing technology, Ultra ATA performance, segmented cache, embedded

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

bilities.

Ultra ATA performance means that the drive supports PIO mode 4,

multiword DMA mode 2 transfer modes and synchronous DMA mode.

When the host chooses Ultra DMA mode 2, the drive provides burst-

transfer rates of up to 33.3 Mbytes per second. The drive supports

multiple block read/write, which allows it to store contiguous blocks of

datainits256-Kbytesegmentedcacheandtransfertheblocksinasingle

burst.

The ST32520A has other features that ensure fast data throughput.

Embeddedservotechnologyallowthedrivetopositiontheheadsfordata

retrieval efficiently and accurately while eliminating the periodic thermal

recalibration that can interrupt during data transfers. An intelligent con-

troller provides data streaming: direct data transfers between the drive

and the host without microprocessor intervention. These features allow

for asustaineddata-transferratethatfacilitatesvideoplayback andother

multimedia operations.

The drive supports Active, Idle and Standbypower-managementmodes.

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

modereducespowerconsumptionto1.618watts(typical)whileretaining

drive accessibility.

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

available on the drive. 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.

The ATA commands with specific applications for the drive and the

Seagate-unique commands the drive uses are discussed in Section 3.0

on page 25. A complete list of the commands the drive supports is found

in the table on page 27.

Medalist 2520 Product Manual, Rev. A 1

The following is a summary of the drive’s features:

Capacity

•2.5 Gbytes formatted

•LBA translation support

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

4,092-cylinder barrier limited by some system BIOS

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

support for Windows 3.

Performance

•Ultra ATA (burst transfer rates up to 33.3 Mbytes per second)

•Supports multiword DMA mode 2, PIO mode 4, Ultra DMA mode 2

and multiple block read/write

•256-Kbyte segmented buffer

•13-msec average read seek time

•14.5-msec average write seek time

•Data streaming

•5,411-RPM spindle speed

Energy efficiency

•Active, Idle and Standby power-management modes

•1.618 watt typical power dissipation rating in Standby mode

2 Medalist 2520 Product Manual, Rev. A

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