Seagate Medalist SL Manuale utente

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Medalist SL Family

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Medalist 540sl, Medalist 851sl

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Medalist 1080sl, Medalist 1270sl

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ATA Interface Drives

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Product Manual

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . .

Medalist SL Family

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . .

Medalist 540sl, Medalist 851sl

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . .

Medalist 1080sl, Medalist 1270sl

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ATA Interface Drives

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . .

Product Manual

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Publication Number: 36331-301, Rev. A, June 1996

Supersedes Publication Numbers 36331-1

and 36304-

xxx

Seagate, Seagate Technology and the Seagate logo are registered

trademarks of Seagate Technology, Inc. Medalist is a trademark 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.

4 Medalist SL Family Product Manual, June 1996

Contents

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

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

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

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

1.1.1 Standard configuration . . . . . . . . . . . . . . . . . . 5

1.1.2 Physical organization . . . . . . . . . . . . . . . . . . . 6

1.2 Functional specifications . . . . . . . . . . . . . . . . . . . . 7

1.3 Physical dimensions . . . . . . . . . . . . . . . . . . . . . . 7

1.4 Seek time . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

1.5 Start and stop times . . . . . . . . . . . . . . . . . . . . . . 8

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

1.6.1 Power-up sequence . . . . . . . . . . . . . . . . . . . . 8

1.6.2 Power-down sequence . . . . . . . . . . . . . . . . . . 9

1.6.3 Auto-park . . . . . . . . . . . . . . . . . . . . . . . . . 9

1.7 Power specifications . . . . . . . . . . . . . . . . . . . . . 10

1.7.1 Power consumption . . . . . . . . . . . . . . . . . . . 10

1.7.2 Voltage tolerance . . . . . . . . . . . . . . . . . . . . 11

1.7.3 Input noise . . . . . . . . . . . . . . . . . . . . . . . . 12

1.8 Environmental specifications . . . . . . . . . . . . . . . . . 12

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

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

1.8.3 Altitude . . . . . . . . . . . . . . . . . . . . . . . . . 12

1.8.4 Relative humidity . . . . . . . . . . . . . . . . . . . . 12

1.8.5 Shock and vibration . . . . . . . . . . . . . . . . . . . 13

1.9 Acoustics . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

1.10 Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . 14

1.11 Agency listings . . . . . . . . . . . . . . . . . . . . . . . 15

1.12 FCC verification . . . . . . . . . . . . . . . . . . . . . . . 15

Medalist SL Family Product Manual, June 1996 iii

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

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

2.2 I/O connector . . . . . . . . . . . . . . . . . . . . . . . . 18

2.3 Options jumper block . . . . . . . . . . . . . . . . . . . . . 18

2.3.1 Master/slave configuration . . . . . . . . . . . . . . . 21

2.3.2 Master/slave timing compatibility . . . . . . . . . . . . 21

2.3.3 Remote LED connection . . . . . . . . . . . . . . . . 21

2.3.4 Cable-select option . . . . . . . . . . . . . . . . . . . 22

2.4 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) . . . . . . . . . . . . . . 31

3.2.3 Idle and Set Idle Timer (FAH) . . . . . . . . . . . . . . 33

3.2.4 Active and Set Idle Timer command (FBH) . . . . . . . 34

3.2.5 Auto Relocation . . . . . . . . . . . . . . . . . . . . . 34

3.2.6 Execute S.M.A.R.T. Function command (B0H) . . . . . 34

Appendix. Timing diagrams . . . . . . . . . . . . . . . . . . . . 35

iv Medalist SL Family Product Manual, June 1996

Figures

Figure 1. Typical +12V startup current profile . . . . . . . . . . . . 8

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

Figure 3. Drive connectors . . . . . . . . . . . . . . . . . . . . . 19

Figure 4. Options jumper block settings . . . . . . . . . . . . . . . 20

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

Figure 6. Mounting dimensions . . . . . . . . . . . . . . . . . . . 24

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

Figure 8. Programmed I/O timing without IORDY . . . . . . . . . . 35

Figure 9. Programmed I/O timing with IORDY . . . . . . . . . . . 36

Figure 10. Multiword DMA timing . . . . . . . . . . . . . . . . . . 37

Medalist SL Family Product Manual, June 1996 v

Introduction

This manual describes the functional, mechanical and interface specifi-

cations for the Medalist540sl, 851sl, 1080sl and 1270sl hard disc

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

numbers: ST5540A for the Medalist 540sl, ST5851A for the Medalist

851sl,ST51080A for the Medalist1080sland ST51270Afor the Medalist

1270sl.

The drives combine features used in the Decathlon drives, such as Fast

ATA-2 capability, 5,376-RPM spindle speed, embedded servo and the

mini 3.5-inch footprint with new technology and more cost-efficient

design to provide high performance, highcapacity, low noise, energy-ef-

ficiency and superior value.

The drives are designed to ensure fast data-throughput between the

drive and the host. Fast ATA-2 capability means that the drives support

PIO mode 4 and multiword DMA mode 2 and multiple block read/write.

When the host chooses PIO mode 4 or multiword DMA mode 2, the

drives respond with burst data-transfer rates of up to 16.6 Mbytes per

second. Multiple block read/write allows the drive to gather several

blocks of data in cache and transfers them in a single burst.

Otherfeaturesthedriveshavethatpromotefastdata-throughputinclude

embedded servo technology to ensure quick and accurate access to

information on the drive without thermal recalibration interruptions, a

16-bit internal microprocessor and an intelligent controller that provides

data streaming—direct data transfers between the host and the drive

without microprocessor intervention. These features increase the sus-

taineddata-transferrate,facilitatingvideoplaybackandothermultimedia

operations. Coupled with the 854-Mbyte capacity of the ST5851A, the

1.08-Gbyte capacity of the ST51080A and the 1.28 Gbytes of the

ST51270A (more than enough capacity to download a complete CD-

ROM), these features make true multimedia-ready drives.

The drives support the power modes defined in the ATA-2 standard.

Standby and Sleep modes reduce powerconsumption to a low 0.5 watts

(typical). The drives enter power-saving modes at the request of the

computerandcanbeprogrammedto automaticallyenterIdleorStandby

modes. (A complete listing of the ATA commands the drives support is

found in the table on page 27. The ATA commands that have Seagate-

unique applications and the Seagate-unique commands the drives use

are discussed in Section 3.0 on page 25.)

The drives are designed for the standard 3.5-inch footprint but have a

slim 0.75-inch high (19-mm) profile and a shorter 5.0-inch depth profile.

Even thoughthe overallsizeof the drivesis reduced, the topand bottom

mounting holes are placed in strict compliance with the SFF committee

standards for the 3.5-inch form-factor. This size reduction gives the

Medalist SL Family Product Manual, June 1996 1

designer or integrator more room for air circulation, other peripherals or

a smaller drive bay. In addition, the smaller size and a redesigned top

cover have improved the acoustics for the 5,376-RPM drive. The idle

acoustic sound level is 30 dBA.

The following is a summary of the drives’ features:

Capacity

•540, 854, 1,080 and 1,282 Mbytes formatted

•One-disc and two-disc formats

•LBA translation support

Performance

•Fast ATA-2. (Supports multiword DMA modes 0,1, 2 and PIO modes

0, 1, 2, 3 and 4 for up to 16.6-Mbyte-per-second transfer rates.

Supports multiple block read/write.)

•5,376-RPM rotational speed

•128-Kbyte segmented buffer

•10.5-msec average seek time

•16-bit microprocessor

•Data streaming

Energy efficiency

•Supports ATA-2 power-management modes: Active, Idle, Standby

and Sleep

•0.5 watt typical power dissipation rating in Standby and Sleep modes

Acoustics

•30-dBA idle acoustic sound level

2 Medalist SL Family Product Manual, June 1996

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