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

U8 Family

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

ST317221A, ST313021A

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

ST38410A, ST34313A

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

Ultra ATA Interface Drives

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

Product Manual

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

Page 2

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

U8 Family

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

ST317221A, ST313021A

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

ST38410A, ST34313A

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

Ultra ATA Interface Drives

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

Product Manual

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

Page 3

registered trademarks or 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 fro m Seagate Technology, Inc.

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U8 Family Product Manual, Rev. B iii

Contents

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

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

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

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

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

Physical organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

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

Physical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Seek time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Start/stop times. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Power specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Power consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

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

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

Power-management modes . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Environmental tolerances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

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

Temperature gradient . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Humidity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Altitude. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Shock. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Vibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

Drive acoustics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

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

Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Agency certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Safety certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Electromagnetic compatibility . . . . . . . . . . . . . . . . . . . . . . . . . 14

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iv U8 Family Product Manual, Rev. B

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

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

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

Jumper settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Master/slave configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Cable-select option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Ultra ATA/66 cable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Drive mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

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

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

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

Identify Drive command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

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

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

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U8 Family Product Manual, Rev. B v

Figures

Typical startup and operation current profile. . . . . . . . . . . . . . . . . . . . 9

Master/slave jumper settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Mounting dimensions—top, side and end view. . . . . . . . . . . . . . . . . 20

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

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vi U8 Family Product Manual, Rev. B

Page 8

U8 Family Product Manual, Rev. B 1

Introduction

This manual describes the functional, mechanical and interface specifications for the ST317221A, ST313021A, ST38410A and the ST34313A. These drives provide the following key features:

Low power consumption

•

Quiet operation

•

High instantaneous (burst) data-transfer rates (up to 66.6 Mbytes per

•

second) using Ultra DMA mode 4

8.9 msec seek time, 5,400- RPM and 512-Kbyte buffer combine for

•

excellent desktop perfor ma nc e 350 Gs nonoperating shock

•

GMR recording heads and EPRML technology, which provide the

•

drives with increased areal density State-of-the-art cache and on-the-fly error-correction algorithms

•

Full-track multiple-sector transfer capability without local processor

•

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

•

Support for Read Multiple and Write Multiple commands

•

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

•

(CSEL) SeaShield

•

against electrostatic discharge ( ESD) and other handling d amage. It also includes installation instructions and jumper settings.

innovative, shock-absorbing cover shields the drive

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2 U8 Family Product Manual, Rev. B

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 ST317221A ST313021A ST38410A ST34313A

Guaranteed Mbytes (×10 Guaranteed sectors 33,683,328 25,434,228 16,841,664 8,452,080 Bytes per sector 512 Default sectors per track 63 Default read/write heads 16 16 16 15 Default cylinders 16,383 16,383 16,383 8,944 Physical read/write heads 4321 Discs 2211 Recording density

BPI (bits/inch max) 349,374 Track density

TPI (tracks/inch) 18,700 Areal density

(Mbits/inch Spindle speed (RPM) 5,400 Internal data-transfer rate (Mbits/

sec max) I/O data-transfer rate (Mbytes/

sec max) ATA data-transfer modes

supported

Cache buffer (Kbytes) 512

Height (mm max) 26.1 Width (mm max) 102 Length (mm max) 147.0 Weight (typical) 590 grams (1.3 lb) Track-to-track seek time

(msec typical) 1.5 (read) 2.1 (write) Average seek time (msec typical) 8.9

max) 6,536

bytes) 17,245 13,022 8,622 4,327

285.5

66.6

PIO modes 0–4

Multiword DMA modes 0–2

Ultra DMA modes 0–4

256-Kbyte cache is optional for the ST34313A

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U8 Family Product Manual, Rev. B 3

Drive Specification ST317221A ST313021A ST38410A ST34313A

Full-stroke seek time (msec typical) 23.0 (read) 25.0 (write)

Average latency (msec) 5.56 msec Power-on to ready

(sec typical) 10 sec Standby to ready

(sec typical) 10 sec Spin down (sec typical) 10 sec Startup current

(typical) 12V (peak) 1.5 amps Seek power (typical) 7.0 watts Read/Write power 6.5 watts Idle mode (typical) 3.5 watts Standby/Sleep mode (typical) 0.8 watts Voltage tolerance

(including noise) 5V ± 5%, 12V ± 10% Ambient temperature 0° to 60°C (op.), –40° to 70°C (nonop.) Temperature gradient

(°C per hour max) 20°C Relative humidity

(op. and nonop.) Relative humidity, gradient 30% per hour max Wet bulb temperature (°C max) 29.4 (op.), 40.0 (nonop.) Altitude, operating –61 m to 3,048 m (–200 ft to 10,000 Altitude (meters below mean sea

level, max) –122 m to 12,192 m (–400 ft to 40,000 Shock, operating

(Gs max at 2 msec) 63 Shock, nonoperating

(Gs max at 2 msec) 350 Gs Vibration, operating 0.5 Gs (0 to peak, 5–350 Hz) Vibration, nonoperating 5 Gs (0 to peak, 5–350 Hz) Drive acoustics

Sound power in bels (10.5 msec) Idle mode

Seek mode

5% to 90% (op.)

5% to 95% (nonop.)

3.2 (typical), 3.6 (max)

3.5 (typical), 3.9 (max)

ft)

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4 U8 Family Product Manual, Rev. B

Drive Specification ST317221A ST313021A ST38410A ST34313A

Nonrecoverable read errors 1 per 10 Mean time between

failures (power-on hours) 500,000 Contact start-stop cycles (25°C,

40% relative humidity) 50,000 SeaShield Yes

bits read

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U8 Family Product Manual, Rev. B 5

1.0 Drive specifications

Unless otherwise noted, all specifications are measured under ambient conditions, at 25 °C, and no min al power. For convenie nce, the phrases

the drive

ST317221A, ST313021A, ST38410A and the ST34313A.

1.1 Formatted capacity

and

this drive

are used throughout this manu al to indi cate the

Drive Model Guaranteed Mbytes

(1 Mbyte = 10

ST317221A 17,245 33,683,328 512 ST313021A 13,022 25,434,228 512 ST38410A 8,622 16,841,664 512 ST34313A 4,327 8,452,080 512

bytes)

Guaranteed

sectors

Bytes per

sector

1.1.1 Default logical geometry

CHS Mode Cylinders Read/Write heads Sectors per track

ST317221A 16,383 16 63 ST313021A 16,383 16 63

ST38410A 16,383 16 63 ST34313A 8,944 15 63

LBA Mode

When addressing either drive in LBA mode, all blocks (sectors) are

n–1,

where

n is

consecutively numbered from 0 to guaranteed sectors as defined above

the number of

1.2 Physical organization

Drive Model Read/Write heads (GMR) Number of discs

ST317221A 4 2 ST313021A 3 2

ST38410A 2 1 ST34313A 1 1

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6 U8 Family Product Manual, Rev. B

1.3 Recording and interface technology

Interface ATA Recording method 24/26 EPRML Recording density BPI (bits/inch) 349,374 Track density TPI (tracks/inch) 18,700

Areal density (Mbits/inch Spindle speed (RPM) (± 0.2%) 5,400 Internal data-transfer rate

(Mbits/sec max) 285.5

max) 6,536

I/O data-transfer rate (Mbytes/sec max)

Interleave 1:1 Cache buffer (Kbytes) 512

16.6 (PIO mode 4)

66.6 (Ultra DMA mode 4)

256 (ST34313A)

1.4 Physical characteristics

Drive Specification ST31722A, ST313021A

ST38410A, ST34313A

Maximum height (mm)

(inches)

Maximum width (mm)

(inches)

Maximum length (mm)

(inches)

Typical weight (grams)

(pounds)

26.1

1.028

101.8

4.020

147.0

5.78 590

1.3

1.5 Seek time

Seek measurements are taken with nominal power at 25°C ambient temperature. All times are measured using drive diagnostics. The specifications in the table below are defined as follows:

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U8 Family Product Manual, Rev. B 7

•

Track-to-track seek time is an average of all possible single-track seeks in both directions.

•

Average seek time is a true statistical random average of at least 5,000 measurements of seeks between random tracks, less overhead.

•

Full-stroke seek time is one-half the time needed to seek from the first data cylinder to the maximum data cylind er an d b ac k t o th e fi rst dat a cylinder. The full-stroke typic al v al ue is determined by averaging 100 full-stroke seeks in both directions.

Typ ical seek times (mse c) Read Write

T rack-to-track 1.5 2.1 Av erage 10.5 11.5 Full-stroke 23.0 25.0 Av erage lat ency: 5 .56 msec — —

Note.

These drives are designed to consistently meet the seek times represented in this manual. Physical seeks, regardless of mode (such as track-to-track and average) are expected to meet or exceed the noted values. However, due to the manner in which these drives are formatted, benchmark tests that include command overhead or measure logical seeks may produce results that vary from these specifications.

1.6 Start/stop times

Power-on to Ready (sec) 10 (typical) Standby to Ready (sec) 10 (typical) Ready to spindle stop (sec) 10 (typical)

1.7 Power specifications

The drive receives DC power (+5V or +12V) through a four-pin standard drive power connector.

1.7.1 Power consumption

Power requirements for the drives are listed in the table on pag e 9. Typical power measurements are based on an average of drives tested, under nominal conditions, using 5.0V input voltage at 25°C ambient temperature.

Spinup power

•

Spinup power is measured from the time of power-on to the time that the drive spindle reaches operating speed.

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8 U8 Family Product Manual, Rev. B

Seek Mode

•

During seek mode, the read/write actuator arm moves toward a specific position o n the disc surface an d does not execute a read or write operation. S ervo e lectron ics are ac tive. Seek mode p ower represents the worst-case power consumption, using only random seeks with read or write latency time. This mode is not typical and is provided for worst-case information.

Read/Write power and current

•

Read/write power is measured with the heads on trac k, based on a 16-sector write follow ed by a 32-msec delay, then a 16 -sector read followed by a 32-msec delay.

Operating power and current

•

Operating power is measured using 40 percent random seeks, 40 percent read/write mode (1 write for each 10 reads) and 20 pe rcent drive inactive.

Idle mode power

•

Idle mode power is measured with the drive up to spee d, with ser vo electronics active and with the heads in a random track location.

Standby mode

•

During Standby mode , the drive a ccepts comm ands, but the drive is not spinning, and the servo a nd read/write electronic s are in p owerdown mode.

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U8 Family Product Manual, Rev. B 9

Typical Amps RMS

Power Mode Typica l Watts

RMS

5V 12V

Spinup — 0.5 1.5 Seeking (Random,

no read/write) 7 .0 0.4 0.42 Operating (read/write) 6.5 0.4 2 0.367 Idle 3.5 0.28 0.170 Standby/Sleep 0.8 0.123 0.015

1.7.1.1 Typical current profile

Current (amps)

1.4

1.2

1.0

0.8

0.6

0.4

0.2 0

0123456789

Figure 1. Typical startup and operation current profile

Time (seconds)

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10 U8 Family Product Manual, Rev. B

1.7.2 Conducted noise

Input noise ripple i s mea su re d a t the host system powe r su ppl y ac ross an equivalent 80-ohm resistive load on the +12 volt line or an equivalent 15-ohm resistive load on the +5 volt line.

•

Using 12-volt power, the drive is expected to operate with a maximum of 120 mV peak-to-peak square-wave injected noise at up to 10 MHz.

•

Using 5-volt power, th e dri ve is expec ted to op er ate with a ma xi mum of 100 mV peak-to-peak square-wave injected noise at up to 10 MHz.

Note.

Equivalent resis tance is calcu lated by dividing the nomina l voltage by the typical RMS read/write current.

1.7.3 Voltage tolerance

Voltage tolerance (including noise): 5V ± 5% and 12V ± 10%

1.7.4 Power-management modes

The drive provides programmable power management to provide greater energy efficiency . In m ost syst ems, you can control power mana gement through the system setup program. The drive features the following power-management modes:

Power Modes Heads Spindle Buffer

Active Tracking Rotating Enabled Idle Tracking Rotating Enabled Standby Parked Stopped Enabled Sleep Parked Stopped Disabled

Active mode

•

The drive is in Active mode during the read/write and seek operations.

Idle mode

•

The buffer remains enabled, and the drive accepts all commands and returns to Active mode any time disc access is necessary.

Standby mode

•

The drive enters Standby mode when the host sends a Standby Immediate command. If the hos t has set th e standb y timer, the drive can also enter Standby mo de automatical ly after the drive has been inactive for a specifia ble length of time. The standby timer delay is

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U8 Family Product Manual, Rev. B 11

established using a Standby or Idle command. In Standby mode, the drive buffer is enabled, the heads are parked and the spindle is at rest. The drive accepts all commands and returns to Active mode any time disc access is necessary.

Sleep mode

•

The drive enters Sleep mode after receivi ng a Sleep co mmand from the host. In S leep mode, the drive buffer is disabl ed, the heads are parked and the spindle is at res t. The drive l eaves Sleep m ode after it receives a Hard Reset or Soft Reset from the host. After receiving a reset, the drive exits Sleep mode and enters Active mode with all current translation parameters intact.

Idle and Standby timers

•

Each time the drive performs an Active function (read, write or seek), the standby timer is reinitialized and begins counting down from its specified delay times to zero. If the s tandby timer reaches zero b efore any dri ve activity is required, the drive makes a transition to Standby mode. In both Idle and Standby mode, the drive accepts all commands and returns to Active mode when disc access is necessary.

1.8 Environmental tolerances

1.8.1 Ambient temperature

Ambient temperature i s def ined as the temperatur e o f t he env ir on men t immediately surrounding the drive. Actual drive case temperature should not exceed ommended measurement locations are shown in Figure 3 on page 20.

Above 1,000 feet (305 m eters), the maximum temperat ure is derated linearly to 112°F (44°C) at 10,000 feet (3,048 meters).

Operating 0° to 60°C (32° to 131°F) Nonoperating –40° to 70°C (–40° to 158°F)

65°C (149°F) within the operating ambient conditions. Rec-

1.8.2 Temperature gradient

Operating/Nonoperating 20°C/hr (36°F/hour) max,

without condensation

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12 U8 Family Product Manual, Rev. B

1.8.3 Humidity

1.8.3.1 Relative Hum idity

Operating 5% to 90% noncondensing (30% per hour max) Nonoperating 5% to 95% noncondensing (30% per hour max)

1.8.3.2 Wet bulb temperature

Operating 29.4°C (84°F) max Nonoperating 40.0°C (104°F) max

1.8.4 Altitude

Operating –61 m to 3,048 m (–200 ft to 10,000+ ft) Nonoperating –122 m to 12,192 m (–400 ft to 40,000+ ft)

1.8.5 Shock

All shock specifications assume that the drive is mounted securely with the input shock appli ed at the drive mounting screws. Sh ock may be applied in the X, Y or Z axis.

1.8.5.1 Operating shock

These drives comply with the performance levels specified in this document when subjected to a maximum op erating shock of 63 Gs (ba sed on half-sine shock p ulses of 2 msec). Sh ocks should not be repe ated more than two times per second.

1.8.5.2 Nonoperating shock

The nonoperating shock level that the drive can experience without incurring physical damage or degradation in performance when subsequently put into operation is 350 Gs (bas ed on nonrepetitive half-sine shock pulses of 2 msec duration).

1.8.6 Vibration

All vibration speci fications assume that the drive is mounted securely with the input vibration app lied at the driv e mounting s crews. Vib ration may be applied in the X, Y or Z axis.

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U8 Family Product Manual, Rev. B 13

1.8.6.1 Operating vibration

The following table lists the maximum vibration levels that the dr ive may experience while meeting the per formance standards specifie d in this document .

5–21 Hz 0.02-inch displacement (peak to peak) 22–350 Hz 0.5 Gs acceleration (zero to peak) 351–500 Hz 0.25 Gs acceleration (zero to peak)

1.8.6.2 Nonoperating vibration

The following table lis ts the maximum nonoperating v ibration that the drive may experience without incurring physical damage or degradation in performance when subsequently put into operation.

5–21 Hz 0.2-inch displacement (peak to peak) 22–350 Hz 5.0 Gs acceleration (zero to peak) 351–500 Hz 1.0 Gs acceleration (zero to peak)

1.9 Drive acoustics

Drive acoustics are measured as overall A-weighted acoustic sound power levels (no pure tones). All measurements are generally consistent with ISO document 7779. Sound power measurements were taken under essentially free-field conditions over a reflecting plane. For all tests, the drive was oriented with the cover facing upward.

Note.

For seek mode tests, the drive was pl aced in seek mode only. The number of seeks per second is defined by the following equation:

(Number of seeks per second = 0.4 / (average latency + average access time)

Acoustic mode Idle mode Seek mode

Sound power (bels) 3.2 (typ) 3.6 (max) 3.5 (typ) 3.9 (max)

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14 U8 Family Product Manual, Rev. B

1.10 Electromagnetic susceptibility

The drive operates without errors when subjected to the following:

Radiated noise ≤ 3 volt/meter, 30 Hz to 500 MHz Electrostatic discharge * ≤ 10 KVolts Magnetic field strength ≤ 5 Gauss

* Electrostatic discharge susceptibility is measured with the drive

mounted in a representative computer system (mounted to a ground plane with an earth ground). Discharges are applied to the bezel or other external surfaces on the ground plane.

1.11 Reliability

Nonrecoverable read errors 1 per 10 Mean time between failures 500,000 power-on hours

(nominal power, 25°C ambient temperature)

Contact start-stop cycles 50,000 cycles

(at nominal voltage and temperature, with 60 cycles per hour and a 50% duty cycle)

bits read, max

Preventive maintenance None required

1.12 Agency certification

1.12.1 Safety certification

The drives are recognized in accordance with UL 1950 and CSA C22.2 (950) and meet all applicable sections of IEC950 and EN 60950 as tested by TUV North America.

1.12.2 Electromagnetic compatibility

Hard drives that display the CE marking comply with European Unio n requirements specified in Electromagnetic Compatibility Directives. Testing is performed to standards EN 50082-1 and EN 55022-B.

Seagate uses an independent laboratory to confirm compliance with the EC directives speci fied in t he previous p aragrap h. Drives are tested in representative end-user systems. Although CE-marked Seagate drives

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U8 Family Product Manual, Rev. B 15

comply with the dir ectives when used in the t est systems, we cannot guarantee that all sy stems will c omply with the d irectives. Th e drive is designed for operation inside a properly designed enclosure, with properly shielded I/O cable (if necessary) and terminators on all unused I/O ports. Computer manuf acturers and system integrators s hould co nfirm EMC compliance and provide CE marking for their products.

Australian CE-Tick (N176)

If these models have the C-Tick marking, they comply with the Australia/ New Zealand Standard AS/NZS 3548 1995 and meet the Electrom agnetic Compatibility (EMC) Framework requirements of Australia’s Spectrum Management Agency (SMA).

1.12.3 FCC verification

These drives are intended to be contained solely within a personal computer or similar enclos ure (n ot attac hed as a n exte rnal dev ice ). As such, each drive is considered to be a subassembly even when it is individually mar keted to the customer. As a subassembly, no Federal Communications Commission verification or certification of the device is required.

Seagate Technology, Inc. has tested this devi ce in enclosures as described above to ensure th at the total assem bly (enclo sure, disc drive, motherboard, power supply, etc.) does comply with the limits for a Class B computing devi ce, pursuant to Subp art J, Par t 15 of the FCC rules. Operation with noncertified as sembl ies is likel y to resu lt in interfe rence to radio and television reception.

Radio and television interference.

uses radio frequency energy and if not installed and used in strict accordance with the manufacturer’s instructions, may cause interference to radio and television reception.

This equipment is desig ned to provide reasonable protection against such interference in a residential installation. However, there is no guarantee that interfer ence will not occur in a particu lar installation. If this equipment does cause interference to radio or television, which can be determined by turning the equipment on and off, you are encouraged to try one or more of the following corrective measures:

Reorient the receiving antenna.

•

Move the device to one side or the other of the radio or TV.

•

Move the device farther away from the radio or TV.

•

Plug the computer into a different outlet so that the receiver and

•

computer are on different branch outlets.

This equipment generates and

Page 23

16 U8 Family Product Manual, Rev. B

If necessary, you s hould consult your de aler or an experienced radio/ television technician for additional suggestions. You may find helpful the following booklet pr epared by the Federal Communications Com mission:

How to Identify and Resolve Radi o-Television Interfer ence Prob-

lems

. This booklet is available from the Supe rintendent of Doc uments, U.S. Government Printing Office, Washington, DC 20402. Refer to publication number 004-000-00345-4.

Page 24

U8 Family Product Manual, Rev. B 17

2.0 Configuring and mounting the drive

This section contain s th e s pec if ic ati ons an d in st ru cti on s fo r c on fig ur in g and mounting the drive.

2.1 Handling and static-discharge precautions

After unpacking, and before installation, the drive may be exposed to potential handling and electrostatic discharge (ESD) hazards. Observe the following standard handling and static-discharge precautions:

Caution:

The SeaShell™ replaces electrostatic discharge (ESD) bags. The

•

SeaShell package is a shock-ribbed, transparent clamshell enclosure that limits a drive’s exposure to ESD and also protects against external shocks and stresses . The design permits attach ing cables, softwar e loading and label/barc ode scanning without r emoving the drive from the SeaShell. This minimizes handling damage. Keep the drive in the SeaShell package until you are ready for installation.

The drive is enclosed in a black, flexible cover called a SeaShield

•

not remove this perma nent cover— it protects the drive from el ectrostatic discharge (ESD) and minor impact damage. The soft SeaShield cover also incl udes instal lation inst ructions and jumper sett ings. Removing the SeaShield voids the warranty.

Keep the drive in its static-shielded bag until you are ready to complete

•

the installation. Do not at tach any c ables t o the driv e while it is i n its static-shielded bag.

Before handling the drive, put on a grounde d wrist strap, or ground

•

yourself frequentl y by touching the metal chas sis of a com puter that is plugged into a grounded outlet. Wear a grounded wrist strap throughout the entire installation procedure.

Handle the drive by its edges or frame

•

The drive is extremely fragile—handle it with care. Do not press down

•

on the drive top cover. Always rest the drive on a padd ed, anti static sur face unt il you mount

•

it in the computer. Do not touch the connector pins or the printed circuit board.

•

Do not remove the factory-installed labels from the drive or cover them

•

with additional labels. Removal voids the warranty. Some factoryinstalled labels contain information needed to service the drive. Other labels are used to seal out dirt and contamination.

only

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18 U8 Family Product Manual, Rev. B

2.2 Jumper settings

2.2.1 Master/slave configuration

The options jumper block shown in Figure 2 is used to configure the drive for operation. It is the 8-pin dual header between the interface connector and the power connecto r. Use the following settings to con figure the drive as a master or a slave.

Master or single drive

or single-drive operation with a jumper set on pins 7 and 8.

Drive as slave Drive as master with a non-ATA-compatible slave

Set a jumper on pi ns 5 and 6 a nd a jumper on p ins 7 and 8. Use this jumper setting installed.

. Remove all jumpers.

only

. The drive is configured at the factory for a master

if the drive does not work as a master with no jumpers

Options jumper block (J8)

Master or single drive

Drive is slave

Master with a non-ATAcompatible slave

Cable select

1753

684

Figure 2. Master/slave jumper settings

Page 26

U8 Family Product Manual, Rev. B 19

2.2.2 Cable-select option

Computers that use cable-select determine the master and slave drives by selecting or dese lecting pin 2 8, CSEL, on th e interface bu s. Master and slave drives are determined by their physical position on the cable. To enable cable select, set a jumper on pins 5 and 6 as shown in Figure

2. Refer to your computer manual to determine whether your computer supports this option.

2.2.3 Ultra ATA/66 cable

An 80-conductor 40-pin cable is required to run Ultra DMA mode 3 and

4. This cable uses even-numbered conductors connected to the ground pins to improve signal integrity.

Note.

The drive supports both host and drive cable detection. The host detects the 80-conduc tor cabl e by sampl ing pi n 34, CBL ID–, on the interface bus. The drive detects the 80-conductor cable by sensing a capacito r at the h ost si de thr ough t he CBLI D– sig nal. The result is reported in a Fast Rise Detected bit (b it 1 3 of w or d 93 in the Identify drive parameter block).

2.3 Drive mounting

You can mount the drive in any orientation using four screws in the sidemounting holes or four screws in the bottom-mounting holes. See Figure 4 on page 20 for drive mo unting dimensions. Follow these im portant mounting precautions when mounting the drive:

•

Allow a minimum clearanc e of 0.030 inches (0.76 mm) around the entire perimeter of the drive for cooling.

•

Use only 6-32 UNC mounting screws.

•

The screws should be inserted no more than 0.20 inch (5.08 mm) into the bottom mounting hole s and n o more than 0.1 4 inch (3 .55 mm) int o the side mounting holes.

•

Do not overtighten the mounting screws (maximum torque: 6 inch-lb).

•

Do not use a drive interface cable that is more than 18 inches long.

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20 U8 Family Product Manual, Rev. B

Note: Dimensions are shown in inches (mm).

1.00 ± 0.028 (25.4 ± 0.7)

3X 6-32 UNC-2B max. insertion depth

0.14 (3.6) both sides

4.000 ± 0.010

(101.60 ± 0.25)

2.362 ± 0.010

(59.99 ± 0.25)

5.75 ± 0.03

(146.1 ± 0.8)

0.230 ± 0.015 (5.84 ± 0.38)

2.23 ± 0.03 (56.6 ± 0.8)

3.72 ± 0.03

(94.5 ± 0.8)

4X 6-32 UNC-2B max. insertion depth 0.22 (5.6)

0.180 ± 0.015 (4.57 ± 0.38)

1.750 ± 0.010 (44.45 ± 0.25)

2.375 +0.030, –0.005 (60.33 +0.76, –0.13)

Recommended case temperature measurement location

0.630 +0.030, –0.005 (16.00 +0.76, –0.13)

3X.250 ± .015

(6.35 ± 0.38)

(both sides)

0.125 +0.030, –0.005 (3.18 +0.76, –0.13)

3.750 ± 0.010

(95.25 ± 0.25)

4.00 ± 0.02

(101.6 ± 0.5)

Figure 3. Mounting dimensions—top, side and end view

Recommended case temperature measurement location

Page 28

U8 Family Product Manual, Rev. B 21

3.0 ATA interface

These drives use the industry-standard ATA task file interface that supports 16-bit data transfers. It supports ATA programmed input/output (PIO) modes 0–4; multiword DMA modes 0–2, and Ultra DMA modes 0–4. The drive also sup ports the use of the IORDY sig nal to provide reliable high-speed data transfers.

You can use a da isy-chain ca ble to connect two drives to a single AT host bus. For detailed info rmati on abou t the ATA interf ace, ref er to the draft of

NCITS T13 1153D, dard

3.1 ATA interface signals and connector pins

Figure 4 on page 22 summarizes the signals on the ATA interface connector that the drive supports. For a detailed des cription of these signals, refer to the

AT Attachment with Packet Interface Extension (ATA/ATAPI-5),

subsequently referr ed to as the

Draft ATA-5 Standard.

Draft ATA-5 Stan-

Page 29

22 U8 Family Product Manual, Rev. B

Drive pin #

10 11 12 13 14 15 16 17 18 19 20 21 22 23

24 25

26 27

28 29 30 31 32 33 34

35 36 37 38 39 40

Signal name

–

1 2 3 4 5 6 7 8 9

Reset Ground

DD7 DD8 DD6 DD9 DD5

DD10

DD4

DD11

DD3

DD12

DD2

DD13

DD1

DD14

DD0

DD15

Ground

(removed)

DMARQ

Ground DIOW–

STOP Ground DIOR

–

HDMARDY

HSTROBE

Ground IORDY

DDMARDY–

DSTROBE

CSEL

–

DMACK

Ground INTRQ

–

IOCS16

DA1

–

PDIAG CBLID–

DA0 DA2

–

CS0

–

CS1

–

DASP Ground

–

Host pin # and signal description

Hardware Reset

Ground

Host Data Bus Bit 7

Host Data Bus Bit 8

Host Data Bus Bit 6

Host Data Bus Bit 9

Host Data Bus Bit 5

Host Data Bus Bit 10

Host Data Bus Bit 4

Host Data Bus Bit 11

Host Data Bus Bit 3

Host Data Bus Bit 12

Host Data Bus Bit 2

Host Data Bus Bit 13

Host Data Bus Bit 1

Host Data Bus Bit 14

Host Data Bus Bit 0

Device Data (15:0)

Ground (No Pin)

20 21

DMA Request

Ground

Device I/O Write: Stop Ultra DMA Burst

Ground

Device I/O Read: Host Ultra DMA Ready: Host Ultra DMA Data Strobe

Ground

I/O Channel Ready Device Ultra DMA Ready Device Ulta DMA Data Strobe

Cable Select

DMA Acknowledge

Ground

Device Interrupt

Reserved

Host Address Bus Bit 1

Passed Diagnostics Cable Assembly Type Identifier

Device Address (2:0)

Chip Select (1:0)

Drive Active/Slave Present

Ground

Pins 28, 34 and 39 are used for master-slave communication (details shown below).

28 34 39

Drive 0 (master)Drive 1 (slave)

28 34 39

CSEL

PDIAG

DASP–

–

Host

28 34 39

Figure 4. I/O pins and supported ATA signals

Page 30

U8 Family Product Manual, Rev. B 23

3.1.1 Supported ATA commands

The following table lis ts ATA-standard commands that the driv e supports. For a detailed description of the ATA commands, refer to the

ATA-5 Standard.

See Section 3.2.4 on page 30 for details and subcom-

mands used in the S.M.A.R.T. implementation.

Command name Command code (in hex)

ATA-standard commands

Draft

Download Microcode 92 Execute Device Diagnostics 90 Flush Cache E7 Format Track 50 Identify Device EC Initialize Device Parameters 91 Read Buffer E4 Read DMA C8

H, C9H

Read Multip le C4 Read Sectors 20 Read Verify Sectors 40

H, 21H

H, 41H

Read Native Max Address F8 Recalibrate 10 Seek 70 Set Features EF

Set Multiple Mode C6 Set Max Address F9 S.M.A.R.T. B0 Write Buffer E8 Write DMA CA

H, CBH

Page 31

24 U8 Family Product Manual, Rev. B

Command name Command code (in hex)

Write Multiple C5 Write Sectors 30

H, 31H

ATA-standard power-management commands

Check Power Mode 98

or E5

Idle 97H or E3 Idle Immediate 95H or E1 Sleep 99H or E6 Standby 96H or E2 Standby Immediate 94H or E0

ATA-standard security commands

Security Set Password F1 Security Unlock F2 Security Erase Prepare F3 Security Erase Unit F4 Security Freeze Lock F5

Security Disable Password F6

3.1.2 Identify Drive command

The Identify Drive command (command code ECH) transfer s information about the drive to the host following power up. The data is organized as a single 512-byte bl ock of data, whose contents are shown in the tabl e on page 25. All reserved bits or words should be set to zero. Parameters listed with an “x” are drive-specific or vary with the state of the drive. See Section 1 of this manual for default parameter settings.

The following commands contain drive-specific features that may not be included in the

Draft ATA-5 Standard.

Page 32

U8 Family Product Manual, Rev. B 25

Word Description Value

Configuration information:

•

Bit 15: 0 = ATA; 1 = ATAPI

•

Bit 7: removable media

•

Bit 6: removable controller

•

Bit 0: reserved

0C5A

1 Number of logical cylinders

ST317221A, ST313021A, ST38410A = 16,383

ST34313A = 8,944

2 ATA-reserved 0000 3 Number of logical heads

ST317221A, ST313021A, ST38410A = 16

ST34313A = 15

4 Retired 0000 5 Retired 0000 6 Number of logical sectors per

logical track: 63 003F

7–9 Retired 0000

10–19 Serial number: (20 ASCII

characters, 0000

= none) ASCII

20 Retired 0000 21 Retired 0400 22 Obsolete 0004

23–26 Firmware revision (8 ASCII

character string, padded with blanks to end of string)

27–46 Drive model number: (40

ASCII characters, padded with blanks to end of string)

47 Maximum sectors per inter-

rupt on Read multiple and Write multiple (32)

x.xx

ST317221A ST313021A

ST38410A ST34313A

8020

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26 U8 Family Product Manual, Rev. B

Word Description Value

48 Reserved 0000 49 Standard Standby timer,

IORDY supported and may be disabled

50 Device-specific standby

timer value

51 PIO data-transfer cycle

timing mode 0200 52 Retired 0200 53 Words 54–58, 64–70 and 88

are valid 0007 54 Number of current logical

cylinders 55 Number of current logical

heads 56 Number of current logical

sectors per logical track

57–58 Current capacity in sectors

2F00

0000

xxxx

xxxx xxxx

59 Number of sectors trans-

ferred during a Read Multiple

or Write Multiple command

60–61 Total number of user-addres-

sable LBA sectors available

ST317221A = 33,683,328 ST313021A = 25,434,228 ST38410A = 16,841,664 ST34313A = 8,452,080

62 Retired 0000 63 Multiword DMA active and

modes supported (see note

following this table) 64 Advanced PIO modes sup-

ported (modes 3 and 4 sup-

ported)

xxxx

0003

Page 34

U8 Family Product Manual, Rev. B 27

Word Description Value

65 Minimum multiword DMA

transfer cycle time per word

0078

(120 nsec)

66 Recom men ded mul tiw or d

DMA transfer cycle time per

0078

word (120 nsec)

67 Minimum PIO cycle time

without IORDY flow control

00F0

(240 nsec)

68 Minimum PIO cycl e time with

IORDY flow control (120

0078

nsec)

69–74 ATA-reserved 0000

75 Queue depth 0000

76–79 ATA-reserved 0000

80 Major version number 003E 81 Minor version number 0000 82 Command sets supported 346B 83 Command sets supported 4009 84 Command sets support

4000

extension 85 Command sets enabled 86 Command sets enabled 87 Command sets enable

xxxx xxxx xxxx

extension 88 Ultra DMA support and

1F current mode (see note following this table)

89 Security erase time 0000

90 Enhanced security erase

time

0000

Page 35

28 U8 Family Product Manual, Rev. B

Word Description Value

91 Advanced Power Manage-

0040

ment value

92 Master Password Revision

FFFE

code

93 Hardware Reset Value

xxxx

(see description following this table)

94–127 ATA-reserved 0000

128 Security Status 0001 129–159 Seagate-reserved 160–254 ATA-reserved 0000

255 Integrity word

xxxx

Note. See the bit descriptions below for words, 63, 88 and 93 of the

Identify Drive data:

Description (if bit is set to 1)

Bit Word 63

0 Multiword DMA mode 0 is supported. 1 Multiword DMA mode 1 is supported. 2 Multiword DMA mode 2 is supported. 8 Multiword DMA mode 0 is currently active. 9 Multiword DMA mode 1 is currently active. 10 Multiword DMA mode 2 is currently active.

Bit Word 88

0 Ultra DMA mode 0 is supported. 1 Ultra DMA mode 1 is supported. 2 Ultra DMA mode 2 is supported. 3 Ultra DMA mode 3 is supported.

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U8 Family Product Manual, Rev. B 29

4 Ultra DMA mode 4 is supported. 8 Ultra DMA mode 0 is currently active. 9 Ultra DMA mode 1 is currently active. 10 Ultra DMA mode 2 is currently active. 11 Ultra DMA mode 3 is currently active. 12 Ultra DMA mode 4 is currently active.

Bit Word 93

13 1=80-conductor cable detected, CBLID above V

0=40-conductor cable detected, CBLID below V

3.1.3 Set Features command

This command control s the im pl eme ntat ion of various features that th e drive supports. When the drive receives this command, it sets BSY, checks the contents of the Features register, clears BSY and generates an interrupt. If the value in the register does not represent a feature that the drive supports, th e command is aborted . Power-on d efault has the read look-ahead and write caching features enabled. Th e acceptable values for the Features register are defined as follows:

02 03

H H

Enable write cache

(default).

Set transfer mode (based on value in Sector Count register). Sector Count register values:

Set PIO mode to default (PIO mode 2).

Set PIO mode to default and disable IORDY

(PIO mode 2).

PIO mode 0

PIO mode 1

PIO mode 2

PIO mode 3

PIO mode 4

(default)

20HMultiword DMA mode 0 21

Multiword DMA mode 1

Multiword DMA mode 2

Page 37

30 U8 Family Product Manual, Rev. B

Ultra DMA mode 0

Ultra DMA mode 1

Ultra DMA mode 2

Ultra DMA mode 3

Ultra DMA mode 4

05 55 82 AA

Enable advanced power management.

Disable read look-ahead (read cache) feature.

Disable write cache.

Enable read look-ahead (read cache) feature

(default).

Note. At power-on, or after a hardware or software reset, the default

values of the features are as indicated above.

3.1.4 S.M.A.R.T. commands

S.M.A.R.T. provides near-term failure prediction for disc drives. When S.M.A.R.T. is enabled, the drive monitors predetermined drive attributes that are suscep tible to degradation over time. If self-monitor ing determines that a failure is likely, S.M.A.R.T. makes a status report available to the host. Not all failur es are predi ctable. S.M.A.R. T. predict ability is lim ited to the attributes the drive can monito r. For more information on S.M.A.R.T. commands and implementation, see the

Draft ATA-5 Standard.

This drive is shipped with S.M.A.R.T. features disabled. You must have a recent BIOS or software package th at s upp orts S.M. A.R. T. to ena bl e this feature. The table below shows the S.M.A.R.T. command codes that the drive uses.

Code in Features

S.M.A.R.T. Command

D0 D1 D2 D3 D4 D5

S.M.A.R.T. Read Data Obsolete S.M.A.R.T. Enable/Disable Attribute Autosave S.M.A.R.T. Save Attribute Values S.M.A.R.T. Execute Off-line Immediate S.M.A.R.T. Read Log Sector

Page 38