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U8 Family
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ST317221A, ST313021A
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ST38410A, ST34313A
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Ultra ATA Interface Drives
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Product Manual
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U8 Family
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ST317221A, ST313021A
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ST38410A, ST34313A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ultra ATA Interface Drives
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Product Manual
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2000 Seagate Technology, Inc. All rights reserved
Publication Number: SG35226-001, Rev. B, March 2000
Seagate, Seagate Technology, the Seagate logo and U8 are either
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.
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
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
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
vi U8 Family Product Manual, Rev. B
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
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
6
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
D i s c s 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
2
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
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)
ft)
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
13
bits read
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
6
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
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
2
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: