Seagate ST3160022A,ST3120025A,ST380012A Product Manual
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U Series 9 Family
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ST3160022A
ST3120025A
ST380012A
Ultra ATA Interface Drives
Product Manual
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U Series 9 Family
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ST3160022A
ST3120025A
ST380012A
Ultra ATA Interface Drives
Product Manual
©2003 Seagate Technology LLC All rights reserved
Publication number: 100270595, Rev. C
May 2003
Seagate, Seagate Technology, and the Seagate logo are either registered
trademarks or trademarks of Seagate Technology LLC. U Series 9,
DiscWizard, SeaFAX, SeaFONE, SeaShell, SeaTDD, and 3D Defense
System are eithe r registered trademar ks or trademar ks of Seagate Technology LLC. Other product names are registered trademarks or trademarks of their owners.
Seagate reser ves the right to chan ge, without notice, product offerings or
specifications. N o par t of thi s publication may be reproduced i n any form
without written permission of Seagate Technology LLC.
Revision status summary sheet
Revision Date Writer/PLM Sheets Affected
Rev. A 01/28/03 L. Newman/J. Knight All.
Rev. B 04/15/03 L. Newman/J. Knight Page 24.
Rev. C 05/07/03 L. Newman/J. Knight Pages 6, 27, 30-32,
and 37-41.
U Series 9 Product Manual, Rev. C v
Contents
1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2.0 Drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.1 Specification summary table . . . . . . . . . . . . . . . . . . . . . . . 3
2.2 Formatted capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.3 Default logical geometry . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.4 Physical organization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.5 Recording and interface technology . . . . . . . . . . . . . . . . . 7
2.6 Physical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.7 Seek time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.8 Start/stop times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.9 Power specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
2.9.1 Power consumption . . . . . . . . . . . . . . . . . . . . . . 9
2.9.2 Conducted noise . . . . . . . . . . . . . . . . . . . . . . . 12
2.9.3 Voltage tolerance . . . . . . . . . . . . . . . . . . . . . . . 12
2.9.4 Power-management modes. . . . . . . . . . . . . . . 12
2.10 Environmental specifications . . . . . . . . . . . . . . . . . . . . . . 13
2.10.1 Ambient temperature . . . . . . . . . . . . . . . . . . . . 13
2.10.2 Temperature gradient. . . . . . . . . . . . . . . . . . . . 14
2.10.3 Humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.10.4 Altitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.10.5 Shock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.10.6 Vibration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.11 Acoustics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.12 Electromagnetic immunity . . . . . . . . . . . . . . . . . . . . . . . . 17
2.13 Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.14 Agency certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.14.1 Safety certification . . . . . . . . . . . . . . . . . . . . . . 18
2.14.2 Electromagnetic compatibility. . . . . . . . . . . . . . 18
2.14.3 FCC verification . . . . . . . . . . . . . . . . . . . . . . . . 19
3.0 Configuring and mounting the drive. . . . . . . . . . . . . . . . . . . . . 21
3.1 Handling and static discharge precautions . . . . . . . . . . . 21
3.2 Jumper settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3.2.1 Master/slave configuration . . . . . . . . . . . . . . . . 22
3.2.2 Cable-select option. . . . . . . . . . . . . . . . . . . . . . 22
3.2.3 Alternate capacity jumper. . . . . . . . . . . . . . . . . 23
3.2.4 Ultra ATA/100 cable. . . . . . . . . . . . . . . . . . . . . 23
3.3 Drive mounting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
vi U Series 9 Product Manual, Rev. C
4.0 ATA interface. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
4.1 ATA interface signals and connector pins . . . . . . . . . . . .25
4.1.1 Supported ATA commands. . . . . . . . . . . . . . . .27
4.1.2 Identify Device command . . . . . . . . . . . . . . . . .29
4.1.3 Set Features command. . . . . . . . . . . . . . . . . . .33
4.1.4 S.M.A.R.T. commands . . . . . . . . . . . . . . . . . . .34
5.0 Seagate Technology support services . . . . . . . . . . . . . . . . . . .37
U Series 9 Product Manual, Rev. C vii
List of Figures
Figure 1. Typical 5V startup and operation current profile . . . . . . . . . 11
Figure 2. Typical 12V startup and operation current profile . . . . . . . . 11
Figure 3. Master/slave jumper settings . . . . . . . . . . . . . . . . . . . . . . . 22
Figure 4. Ultra ATA cable connectors . . . . . . . . . . . . . . . . . . . . . . . . 23
Figure 5. Mounting dimensions—top, side and end view. . . . . . . . . . 24
Figure 6. I/O pins and supported ATA signals . . . . . . . . . . . . . . . . . . 26
viii U Series 9 Product Manual, Rev. C
U Series 9 Product Manual, Rev. C 1
1.0 Introduction
This manual describes the functional, mechanical and interface specifications
for the following Seagate
• ST3160022A
• ST3120025A
• ST380012A
These drives provide the following key features:
• High instantaneous (burst) data transfer rates (up to 100 Mbytes per second)
using Ultra DMA mode 5.
• Giant magnetoresistive (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.
®
U Series 9® model drives:
• Quiet operation.
• 350 Gs nonoperating shock.
• SeaTools diagnostic software performs a drive self-test that eliminates
unnecessary drive returns.
• The 3D Defens e System™, which incl udes Drive Defense, Dat a Defense,
and Diagnostic De fense, offers the industry ’s most comp rehensiv e protection for disc drives.
• 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).
2 U Series 9 Product Manual, Rev. C
U Series 9 Product Manual, Rev. C 3
2.0 Drive specifications
Unless otherwise noted, all spec ifications are measur ed under amb ient conditions, at 25°C, and nomina l power . For con venienc e, the phr ases the drive
and this drive are used throughout this manual to indicate ST3160022A,
ST3120025A, and ST380012A model drives.
2.1 Specification summary table
The specificat ions listed in this tab le are for quick refe rence. For details on
specification measurement or d efinition, see the appropriate s ection of this
manual.
Drive specification ST3160022A ST3120025A ST380012A
Formatted Gbytes
(512 bytes/sector)
Guaranteed sectors 312,581,808 234,441,648 156,301,488
Bytes per sector 512
Default sectors per track 63
Default read/write heads 16
Default cylinders 16,383
Physical read/write heads 4 3 2
Discs 2 2 1
Recording density
BPI (bits/inch max)
Track density TPI
(tracks/inch max)
Areal density
(Mbits/inch
Sustained data transfer rate OD (Mb ytes/sec) 48
I/O data-transfer rate (Mbytes/sec max) 100
2
max)
160 120 80
595,000
94,600
56.3
ATA data-transfer modes supported PIO modes 0–4
Cache buffer 1 Mbytes
Height (mm max) 26.035 mm (1.028 inches)
Width (mm max) 101.6 mm (4.000 inches)
Length (mm max) 146.99 mm (5.787 inches)
Weight (typical) 635 grams (1.4 lb)
Multiword DMA modes 0–2
Ultra DMA modes 0–5
4 U Series 9 Product Manual, Rev. C
Drive specification ST3160022A ST3120025A ST380012A
Av erage latency (msec) 4.16
Power-on to ready
(sec typical)
Standby to ready
(sec typical)
Startup current (typical) 12V (peak) 2.8 amps
Track-to-track seek time (msec typical) <1.0 (read), <1.2 (write)
Av erage seek, read (msec typical) 8.5
Av erage seek, write (msec typical) 9.5
Seek power (typical) 12.5 watts
Read/write power (typical) 12.0 watts
Idle mode (typical) 7.5 watts
Standby mode 0.9 watts (typical)
Sleep mode 0.9 watts (typical)
Voltage tolerance
(including noise)
10 sec
10 sec
5V ± 5%
12V ± 10%
U Series 9 Product Manual, Rev. C 5
Drive specification ST3160022A ST3120025A ST380012A
Ambient
temperature
Temperature gradient
(°C per hour max)
0° to 60°C (operating)
–40° to 70°C (nonoperating)
20°C (operating)
30°C (nonoperating)
Relative humidity 5% to 90% (operating)
5% to 95% (nonoperating)
Relative humidity gradient 30% per hour max
Wet bulb temperature
(°C max)
Altitude,
operating
Altitude, nonoperating
(below mean sea level, max)
Shock, operating
30 (operating)
40 (nonoperating)
–60.96 m to 3,048 m
(–200 ft to 10,000+ ft)
–60.96 m to 12,192 m
(–200 ft to 40,000+ ft)
63
(Gs max at 2 msec)
Shock, nonoperating
350 Gs
(Gs max at 2 msec)
Vibration,
0.5 Gs (0 to peak, 22–350 Hz)
operating
Vibration,
5.0 Gs (0 to peak, 22–350 Hz)
nonoperating
Drive acoustics
Sound power (bels)
Idle* <2.5 (typical)
2.7 (max)
Seek 2.8 (typical)
3.0 (max)
Nonrecoverable read errors
Mean time between
1 per 10
14
bits read
600,000
failures (power-on hours)
Service life 5 Years
Contact start-stop cycles (25°C, 40% relative
50,000
humidity)
*During periods of drive idle, some offline activity may occur according to the S.M.A.R.T.
specification, which may increase acoustic and power to operational levels.
6 U Series 9 Product Manual, Rev. C
2.2 Formatted capacity
Formatted
Model
ST3160022A 160 Gbytes 312,581,808 512
ST3120025A 120 Gbytes 234,441,648 512
ST380012A 80 Gbytes 156,301,488 512
capacity
Guaranteed
sectors Bytes per sector
2.2.1 LBA mode
When addressin g the se dr i ves in LBA mo de, all blocks (sectors ) ar e c on secutively numbered from 0 to n–1, where n is the number of guaranteed sectors
as defined above.
See Section 4.1.2, "Identify Device command" (words 60-61 and 100-103) for
additional inform ation about 48-bit ad dressing supp or t of drives with capacities over 137 Gbytes.
2.3 Default logical geometry
Cylinders Read/write heads Sectors per track
16,383 16 63
2.4 Physical organization
Model Read/write heads Number of discs
ST3160022A 4 2
ST3120025A 3 2
ST380012A 2 1
U Series 9 Product Manual, Rev. C 7
2.5 Recording and interface technology
Interface ATA
Recording method 16/17 EPRML
Recording density BPI (bits/inch max) 595,000
Track density TPI (tracks/inch max) 94,600
Areal density (Mbits /in ch
Internal data-transfer rate OD
2
max) 56.3
85.4
(Mbytes/sec max)
Sustained data transfer rate OD (Mbytes/sec max) 48
I/O data-transfer rate (Mbytes/sec max) 100 (Ultra DMA mode 5)
Interleave 1:1
Cache buffer
1 Mbyte (1,024 kbytes)
2.6 Physical characteristics
Drive specification
Maximum hei ght (mm)
(inches)
Maximum width (mm)
(inches)
26.035
1.028
101.6
4.00
Maximum length (mm)
(inches)
Typical weight (grams)
(pounds)
146.99
5.787
635
1.4
8 U Series 9 Product Manual, Rev. C
2.7 Seek time
Seek measuremen ts are taken with nom inal power at 25°C ambien t temper ature. All times are measured using drive diagnostics. The specifications in
the table below are defined as follows:
• Track -to-track s eek time is an aver age of all possi ble singl e-track seek s 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.
Typical seek times (msec) Read Write
Track-to-track <1.0 <1.2
Average
2 discs
1 disc
8.5
8.5
9.5
9.5
Average latency: 4.16 4.16
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.
2.8 Start/stop times
Power-on to Ready (sec) 10 (max)
Standby to Ready (sec) 10 (max)
Ready to spindle stop (sec) 20 (max)
2.9 Power specifications
The drive receives DC power (+5V or +12V) through a four-pin standard drive
power connector.
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