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Seagate Barracuda 7200.7 Serial ATA Handleiding

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Barracuda 7200.7 Serial ATA
ST3200822AS
ST3160827AS
ST3160023AS
ST3160021AS
ST3120827AS
ST3120026AS
ST3120022AS
ST380817AS
ST380013AS
ST380011AS
ST340111AS
ST340014AS
Barracuda 7200.7 Serial ATA
ST3200822AS
ST3160827AS
ST3160023AS
ST3160021AS
ST3120827AS
ST3120026AS
ST3120022AS
ST380817AS
ST380013AS
ST380011AS
ST340111AS
ST340014AS
©2003–2004–2005 Seagate Technology LLC All rights reserved
Publication number: 100270024, Rev. N
September 2005
Seagate and Seagate Technology are registered trademarks of Seagate Technology LLC.
SeaTools, SeaFONE, SeaBOARD, SeaTDD, and the Wave logo are either registered trade-
marks or trademarks of Seagate Technology LLC. Other product names are registered trade-
marks 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 of Seagate
Technology LLC.
Barracuda 7200.7 Serial ATA Product Manual, Rev. N iii
Contents
1.0 Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
1.1 About the Serial ATA interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2 Native Command Queuing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2.0 Drive specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.1 Specification summary table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.2 Formatted capacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2.1 LBA mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.3 Default logical geometry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.4 Physical organization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.5 Recording and interface technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.5.1 Physical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.6 Seek time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.7 Start/stop times . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.8 Power specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.8.1 Power consumption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.8.2 Deferred spinup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
2.8.3 Conducted noise . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.8.4 Voltage tolerance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
2.8.5 Power-management modes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.9 Environmental specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.9.1 Ambient temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
2.9.2 Temperature gradient. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.9.3 Humidity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.9.4 Altitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.9.5 Shock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
2.9.6 Vibration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.10 Acoustics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
2.11 Electromagnetic immunity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.12 Reliability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
2.13 Agency certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.13.1 Safety certification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.13.2 Electromagnetic compatibility. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.13.3 FCC verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.14 Environmental protection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.15 Corrosive environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
3.0 Configuring and mounting the drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.1 Handling and static-discharge precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.2 Configuring the drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.3 Serial ATA cables and connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
3.4 Drive mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.0 Serial ATA (SATA) interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.1 Hot-Plug compatibility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.2 Serial ATA device plug connector pin definitions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
4.3 Supported ATA commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
4.3.1 Identify Device command. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
4.3.2 Set Features command . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
4.3.3 S.M.A.R.T. commands. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
5.0 Seagate Technology support services. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
iv Barracuda 7200.7 Serial ATA Product Manual, Rev. N
Barracuda 7200.7 Serial ATA Product Manual, Rev. N v
List of Figures
Figure 1. Typical 5V startup and operation current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 2. Typical 12V startup and operation current profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Figure 3. Serial ATA connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 4. Attaching SATA cabling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Figure 5. Mounting dimensions—top, side and end view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
Barracuda 7200.7 Serial ATA Product Manual, Rev. N 1
1.0 Introduction
This manual describes the functional, mechanical and interface specifications for the following Seagate
Barracuda
®
7200.7 Serial ATA model drives:
Table 1: Barracuda 7200.7 Serial ATA models
[1] OEM model that may support NCQ
These drives provide the following key features:
• 7,200 RPM spindle speed
• 8 Mbyte buffer (ST3200822AS, ST3160827AS, ST3160023AS, ST3120827AS, ST3120026AS,
ST380817AS, ST380013AS and ST340111AS models)
• 2 Mbyte buffer (ST3160021AS, ST3120022AS, ST380011AS, and ST340014AS models)
• High instantaneous (burst) data-transfer rates (up to 150 Mbytes per second).
• Giant magnetoresistive (GMR) recording heads and EPRML technology, 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.
• Quiet operation.
• 350 Gs nonoperating shock.
• SeaTools diagnostic software performs a drive self-test that eliminates unnecessary drive returns.
• The 3D Defense System™, which includes Drive Defense, Data Defense and Diagnostic Defense, offers the
industry’s most comprehensive protection for disc drives.
• Support for S.M.A.R.T. drive monitoring and reporting.
• Support for Read Multiple and Write Multiple commands.
• Native Command Queing enabled on some models.
OEM models
Distribution models
not supporting NCQ
Distribution models
supporting NCQ
ST3200822AS
ST380013AS
[1]
ST3200822AS ST3160827AS
ST3160023AS
[1]
ST380011AS
[1]
ST3160023AS ST3120827AS
ST3160021AS
[1]
ST340111AS
[1]
ST3120026AS ST380817AS
ST3120026AS
[1]
ST340014AS
[1]
ST380013AS
ST3120022AS
[1]
2 Barracuda 7200.7 Serial ATA Product Manual, Rev. N
1.1 About the Serial ATA interface
The Serial ATA interface provides several advantages over the traditional (parallel) ATA interface. The primary
advantages include:
• Easy installation and configuration with true plug-and-play connectivity. It is not necessary to set any jump-
ers or other configuration options.
• Thinner and more flexible cabling for improved enclosure airflow and ease of installation.
• Scalability to higher performance levels.
In addition, Serial ATA makes the transition from parallel ATA easy by providing legacy software support. Serial
ATA was designed to allow you to install a Serial ATA host adapter and Serial ATA disc drive in your current
system and expect all of your existing applications to work as normal.
The Serial ATA interface connects each disc drive in a point-to-point configuration with the Serial ATA host
adapter. There is no master/slave relationship with Serial ATA devices like there is with parallel ATA. If two
drives are attached on one Serial ATA host adapter, the host operating system views the two devices as if they
were both “masters” on two separate ports. This essentially means both drives behave as if they are Device 0
(master) devices.
Note. The host adapter may, optionally, emulate a master/slave environment to host software where two
devices on separate Serial ATA ports are represented to host software as a Device 0 (master) and
Device 1 (slave) accessed at the same set of host bus addresses. A host adapter that emulates a
master/slave environment manages two sets of shadow registers. This is not a typical Serial ATA
environment.
The Serial ATA host adapter and drive share the function of emulating parallel ATA device behavior to provide
backward compatibility with existing host systems and software. The Command and Control Block registers,
PIO and DMA data transfers, resets, and interrupts are all emulated.
The Serial ATA host adapter contains a set of registers that shadow the contents of the traditional device regis-
ters, referred to as the Shadow Register Block. All Serial ATA devices behave like Device 0 devices. For addi-
tional information about how Serial ATA emulates parallel ATA, refer to the “Serial ATA: High Speed Serialized
AT Attachment” specification. The specification can be downloaded from http://www.serialata.com.
1.2 Native Command Queuing
Native Command Queuing (NCQ) is among the advanced features introduced in the Serial ATA II: Extensions
to Serial ATA 1.0 Specification. NCQ is a powerful technology designed to increase performance and endur-
ance by allowing the drive to internally optimize the execution order of workloads. Intelligent reordering of com-
mands within the drive’s internal command queue helps improve performance of queued workloads by
minimizing mechanical positioning latencies on the drive.
Operating systems such as Microsoft Windows and Linux are increasingly taking advantage of multi-threaded
software or processor-based Hyper-Threading Technology. These features have a high potential to create
workloads where multiple commands are outstanding to the drive at the same time. By utilizing NCQ, the
potential disc performance is increased significantly for these workloads.
Native Command Queuing achieves high performance and efficiency through efficient command reordering. In
addition, there are three new capabilities that are built into the Serial ATA protocol to enhance NCQ perfor-
mance: racefree status return, interrupt aggregation, and First-Party DMA.
To learn more about NCQ, go to the Seagate Serial ATA resource site at:
www.seagate.com/products/interface/sata/.
Barracuda 7200.7 Serial ATA Product Manual, Rev. N 3
2.0 Drive specifications
Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal
power. For convenience, the phrases the drive and this drive are used throughout this manual to indicate the
ST3200822AS, ST3160827AS, ST3160023AS, ST3160021AS, ST3120827AS, ST3120026AS,
ST3120022AS, ST380817AS, ST380013AS, ST380011AS, ST340111AS and ST340014AS models.
2.1 Specification summary table
The specifications listed in this table are for quick reference. For details on specification measurement or defi-
nition, see the appropriate section of this manual.
Table 2: Drive specifications
Drive specification ST3200822AS
ST3160827AS
ST3160023AS
ST3160021AS
ST3120827AS
ST3120026AS
ST3120022AS
ST380817AS
ST380013AS
ST380011AS
ST340111AS
ST340014AS
Formatted Gbytes (512 bytes/sector)* 200 160 120 80 40
Guaranteed sectors 390,721,968 312,581,808 234,441,648 156,301,488 78,165,360
Bytes per sector 512
Default sectors per track 63
Default read/write heads 16
Default cylinders 16,383
Physical read/write heads 4 4 3 2 1
Discs 2 2 2 1 1
Recording density in BPI (bits/inch max) 671,500 595,000
Track density TPI (tracks/inch max) 98,000 94,600
Areal density (Gbits/inch
2
max) 68.5 56.3
Spindle speed (RPM) 7,200
Internal transfer rate (Mbytes/sec max) 85.4
Sustained transfer rate OD (Mbytes/sec) 58
I/O data transfer rate (Mbytes/sec max) 150
ATA data-transfer modes supported
SATA 1.0, SATA II
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
Cache buffer
8 Mbytes: ST3200822AS, ST3160827AS, ST3160023AS, ST3120827AS,
ST3120026AS, ST380817AS, ST380013AS and ST340111AS
2 Mbytes: ST3160021AS, ST3120022AS, ST380011AS, and ST340014AS
Height (max) 26.035 mm (1.028 inches)
Width (max) 101.6 mm (4.000 inches)
Length (max) 146.99 mm (5.787 inches)
Weight (typical) 635 grams (1.4 lb)
Barracuda 7200.7 Serial ATA Product Manual, Rev. N 13
2.9.6 Vibration
All vibration specifications assume that the drive is mounted securely with the input vibration applied at the
drive mounting screws. Vibration may be applied in the X, Y or Z axis.
2.9.6.1 Operating vibration
The maximum vibration levels that the drive may experience while meeting the performance standards speci-
fied in this document are specified below.
2.9.6.2 Nonoperating vibration
The maximum nonoperating vibration levels that the drive may experience without incurring physical damage or degrada-
tion in performance when subsequently put into operation are specified below.
2.10 Acoustics
Drive acoustics are measured as overall A-weighted acoustic sound power levels (no pure tones). All mea-
surements are consistent with ISO document 7779. Sound power measurements are taken under essentially
free-field conditions over a reflecting plane. For all tests, the drive is oriented with the cover facing upward.
Note. For seek mode tests, the drive is placed 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)
Note. During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specifica-
tion, which may increase acoustic and power to operational levels.
5–22 Hz Limited displacement
23–350 Hz 0.5 G acceleration
5–22 Hz Limited displacement
23–350 Hz 5.0 Gs
Table 6: Fluid Dynamic Bearing (FDB) motor acoustics
Models Idle* Performance seek
ST3200822AS
ST3160827AS
ST3160023AS
ST3160021AS
ST3120827AS
ST3120026AS
ST3120022AS
ST380817AS
ST380013AS
ST380011AS
<2.5 bels (typ)
2.7 bels (max)
3.4 bels (typ)
3.7 bels (max)
ST340111AS
ST340014AS
<2.2 bels (typ)
2.4 bels (max)
3.1 bels (typ)
3.5 bels (max)
14 Barracuda 7200.7 Serial ATA Product Manual, Rev. N
2.11 Electromagnetic immunity
When properly installed in a representative host system, the drive operates without errors or degradation in
performance when subjected to the radio frequency (RF) environments defined in the following table:
2.12 Reliability
Table 7: Radio frequency environments
Test Description Performance level Reference standard
Electrostatic discharge Contact, HCP, VCP: ± 4
kV; Air: ± 8 kV B EN 61000-4-2: 95
Radiated RF immunity 80 to 1,000 MHz, 3 V/m,
80% AM with 1 kHz sine
900 MHz, 3 V/m, 50% pulse modulation @
200 Hz
A EN 61000-4-3: 96
ENV 50204: 95
Electrical fast transient ± 1 kV on AC mains, ± 0.5 kV on external I/
O
B EN 61000-4-4: 95
Surge immunity ± 1 kV differential, ± 2 kV common, AC
mains
B EN 61000-4-5: 95
Conducted RF immunity 150 kHz to 80 MHz, 3 Vrms, 80% AM with
1 kHz sine
A EN 61000-4-6: 97
Voltage dips, interrupts 0% open, 5 seconds
0% short, 5 seconds
40%, 0.10 seconds
70%, 0.01 seconds
C
C
C
B
EN 61000-4-11: 94
Nonrecoverable read errors 1 per 10
14
bits read, max
Mean time between failures (MTBF) 600,000 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)
Service Life 5 years.
Warranty To determine the warranty for a specific drive, use a web browser to access the
follwoing web page:
www.seagate.com/support/service/
From this page, click on the “Verify Your Warranty” link. You will be asked to pro-
vide the drive serial number, model number (or part number) and country of pur-
chase.
The system will diplay the warranty information for your drive.
Preventive maintenance None required.
Barracuda 7200.7 Serial ATA Product Manual, Rev. N 15
2.13 Agency certification
2.13.1 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.
2.13.2 Electromagnetic compatibility
Hard drives that display the CE mark comply with the European Union (EU) requirements specified in the Elec-
tromagnetic Compatibility Directive (89/336/EEC). Testing is performed to the levels specified by the product
standards for Information Technology Equipment (ITE). Emission levels are defined by EN 55022, Class B and
the immunity levels are defined by EN 55024.
Seagate uses an independent laboratory to confirm compliance with the EC directives specified in the previous
paragraph. Drives are tested in representative end-user systems. Although CE-marked Seagate drives comply
with the directives when used in the test systems, we cannot guarantee that all systems will comply with the
directives. The 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 manufacturers and system integrators
should confirm EMC compliance and provide CE marking for their products.
Korean RRL
If these drives have the Korea Ministry of Information and Communication (MIC) logo, they comply with para-
graph 1 of Article 11 of the Electromagnetic Compatibility control Regulation and meet the Electromagnetic
Compatibility (EMC) Framework requirements of the Radio Research Laboratory (RRL) Ministry of Information
and Communication Republic of Korea.
These drives have been tested and comply with the Electromagnetic Interference/Electromagnetic Susceptibil-
ity (EMI/EMS) for Class B products. Drives are tested in a representative, end-user system by a Korean-recog-
nized lab.
• EUT name (model numbers):ST3200822AS, ST3160827AS, ST3160023AS, ST3160021AS, ST3120827AS,
ST3120026AS, ST3120022AS, ST380817AS, ST380013AS, ST380011AS, ST340111AS and ST340014AS
• Certificate numbers ST3200822AS E-H011-04-0508 (B)
ST3160827AS E-H011-04-2274 (B)
ST3160023AS E-H011-03-0784 (B)
ST3160021AS E-H011-03-0783 (B)
ST3120827AS E-H011-04-2276 (B)
ST3120026AS E-H011-03-0788 (B)
ST3120022AS E-H011-03-0785 (B)
ST380817AS E-H011-04-2275 (B)
ST380013AS E-H011-03-0787 (B)
ST380011AS E-H011-03-0781 (B)
ST340111AS E-H011-03-0782 (B)
ST340014AS E-H011-03-0782 (B)
• Trade name or applicant: Seagate Technology International
• Manufacturing date: February 2003 for ST3160023AS, ST3160021AS, ST3120026AS, ST3120022AS,
ST380013AS, ST380011AS, and ST340014AS models.
• Manufacturing date: February 2004 for ST3200822AS models.
• Manufacturing date: February 2004 for ST3160827AS, ST3120827AS and ST380817AS models.
• Manufacturing date: February 2004 for ST340111AS models.
• Manufacturer/nationality: Singapore and China
16 Barracuda 7200.7 Serial ATA Product Manual, Rev. N
Australian C-Tick (N176)
If these models have the C-Tick marking, they comply with the Australia/New Zealand Standard AS/NZS3548
1995 and meet the Electromagnetic Compatibility (EMC) Framework requirements of the Australian Communi-
cation Authority (ACA).
2.13.3 FCC verification
These drives are intended to be contained solely within a personal computer or similar enclosure (not attached
as an external device). 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 LLC has tested this device in enclosures as described above to ensure that the total
assembly (enclosure, disc drive, motherboard, power supply, etc.) does comply with the limits for a Class B
computing device, pursuant to Subpart J, Part 15 of the FCC rules. Operation with noncertified assemblies is
likely to result in interference to radio and television reception.
Radio and television interference. This equipment generates and 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 designed to provide reasonable protection against such interference in a residential installa-
tion. However, there is no guarantee that interference will not occur in a particular 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.
If necessary, you should consult your dealer or an experienced radio/television technician for additional sug-
gestions. You may find helpful the following booklet prepared by the Federal Communications Commission:
How to Identify and Resolve Radio-Television Interference Problems. This booklet is available from the Super-
intendent of Documents, U.S. Government Printing Office, Washington, DC 20402. Refer to publication num-
ber 004-000-00345-4.
Barracuda 7200.7 Serial ATA Product Manual, Rev. N 17
2.14 Environmental protection
Seagate designs its products to meet environmental protection requirements worldwide, including regulations
restricting certain chemical substances.
European Union Restriction of Hazardous Substances (RoHS)
The European Union Restriction of Hazardous Substances (RoHS) Directive restricts the presence of chemical
substances, including Lead (Pb), in electronic products effective July 2006. Although amendments to the
Euro-pean Union’s Restriction of Hazardous Substances (RoHS) Directive have not been finalized, to the best
of our knowledge the disc drives documented in this publication will comply with the final RoHS Directive
require-ments.
A number of parts and materials in Seagate products are procured from external suppliers. We rely on the
rep-resentations of our suppliers regarding the presence of RoHS substances in these parts and materials. Our
supplier contracts require compliance with our chemical substance restrictions, and our suppliers document
their compliance with our requirements by providing material content declarations for all parts and materials for
the disc drives documented in this publication. Current supplier declarations include disclosure of the inclusion
of any RoHS-regulated substance in such parts or materials.
Seagate also has internal systems in place to ensure ongoing compliance with the RoHS Directive and all laws
and regulations which restrict chemical content in electronic products. These systems include standard
operat-ing procedures that ensure that restricted substances are not utilized in our manufacturing operations,
labora-tory analytical validation testing, and an internal auditing process to ensure that all standard operating
procedures are complied with.
2.15 Corrosive environment
Seagate electronic drive components pass accelerated corrosion testing equivalent to 10 years exposure to
light industrial environments containing sulfurous gases, chlorine and nitric oxide, classes G and H per ASTM
B845. However, this accelerated testing cannot duplicate every potential application environment. Users
should use caution exposing any electronic components to uncontrolled chemical pollutants and corrosive
chemicals as electronic drive component reliability can be affected by the installation environment. The silver,
copper, nickel and gold films used in Seagate products are especially sensitive to the presence of sulfide, chlo-
ride, and nitrate contaminants. Sulfur is found to be the most damaging. In addition, electronic components
should never be exposed to condensing water on the surface of the printed circuit board assembly (PCBA) or
exposed to an ambient relative humidity greater than 95%. Materials used in cabinet fabrication, such as vulca-
nized rubber, that can outgas corrosive compounds should be minimized or eliminated. The useful life of any
electronic equipment may be extended by replacing materials near circuitry with sulfide-free alternatives.
18 Barracuda 7200.7 Serial ATA Product Manual, Rev. N
Barracuda 7200.7 Serial ATA Product Manual, Rev. N 21
3.4 Drive mounting
You can mount the drive in any orientation using four screws in the side-mounting holes or four screws in the
bottom-mounting holes. See Figure 5 on page 22 for drive mounting dimensions. Follow these important
mounting precautions when mounting the drive:
• Allow a minimum clearance 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 0.150 inch (3.81 mm) into the bottom or side mounting holes.
• Do not overtighten the mounting screws (maximum torque: 6 inch-lb).
30 Barracuda 7200.7 Serial ATA Product Manual, Rev. N
Note. Advanced Power Management (APM) and Automatic Acoustic Management (AAM) features are not supported
Note. See the bit descriptions below for words 63, 88, and 93 of the Identify Drive data.
90 Enhanced security erase time 0000
H
92 Master password revision code FFFE
H
93 Hardware reset value
(see description following this table)
xxxx
H
94 Auto acoustic management setting xxxx
H
95–
99
ATA-reserved 0000
H
100–
103
Total number of user-addressable LBA sectors available
(see Section 2.2 for related information)
These words are required for drives that support the 48-bit addressing fea-
ture. Maximum value: 0000FFFFFFFFFFFFh.
ST3200822AS = 390,721,968
ST3160827AS = 312,581,808
ST3160023AS = 312,581,808
ST3160021AS = 312,581,808
ST3120827AS = 234,441,648
ST3120026AS = 234,441,648
ST3120022AS = 234,441,648
ST380817AS = 156,301,488
ST380013AS = 156,301,488
ST380011AS = 156,301,488
ST340111AS = 78,165,360
ST340014AS = 78,165,360
104–
127
ATA-reserved 0000
H
128 Security status 0001
H
129–
159
Seagate-reserved xxxx
H
160–
254
ATA-reserved 0000
H
255 Integrity word xxA5
H
Word Description Value
Barracuda 7200.7 Serial ATA Product Manual, Rev. N 31
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.
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.
13 Ultra DMA mode 5 is currently active.
Bit Word 93
13 1 = 80-conductor cable detected, CBLID above V
IH
0 = 40-conductor cable detected, CBLID below VIL
32 Barracuda 7200.7 Serial ATA Product Manual, Rev. N
4.3.2 Set Features command
This command controls the implementation of various features that the drive supports. When the drive receives
this command, it sets BSY, checks the contents of the Features register, clears BSY and generates an inter-
rupt. If the value in the register does not represent a feature that the drive supports, the command is aborted.
Power-on default has the read look-ahead and write caching features enabled. The acceptable values for the
Features register are defined as follows:
Note. At power-on, or after a hardware or software reset, the default values of the features are as indi-
cated above.
Table 9: Set Features command values
02
H
Enable write cache (default).
03
H
Set transfer mode (based on value in Sector Count register).
Sector Count register values:
00
H
Set PIO mode to default (PIO mode 2).
01
H
Set PIO mode to default and disable IORDY (PIO mode 2).
08
H
PIO mode 0
09
H
PIO mode 1
0A
H
PIO mode 2
0B
H
PIO mode 3
0C
H
PIO mode 4 (default)
20
H
Multiword DMA mode 0
21
H
Multiword DMA mode 1
22
H
Multiword DMA mode 2
40
H
Ultra DMA mode 0
41
H
Ultra DMA mode 1
42
H
Ultra DMA mode 2
43
H
Ultra DMA mode 3
44
H
Ultra DMA mode 4
45
H
Ultra DMA mode 5
55
H
Disable read look-ahead (read cache) feature.
82
H
Disable write cache
AA
H
Enable read look-ahead (read cache) feature (default).
F1
H
Report full capacity available
Barracuda 7200.7 Serial ATA Product Manual, Rev. N 33
4.3.3 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 moni-
tors predetermined drive attributes that are susceptible to degradation over time. If self-monitoring determines
that a failure is likely, S.M.A.R.T. makes a status report available to the host. Not all failures are predictable.
S.M.A.R.T. predictability is limited to the attributes the drive can monitor. For more information on S.M.A.R.T.
commands and implementation, see the Draft ATA-5 Standard.
SeaTools diagnostic software activates a built-in drive self-test (DST S.M.A.R.T. command for D4
H
) that elimi-
nates unnecessary drive returns. The diagnostic software ships with all new drives and is also available at:
http://seatools.sea
gate.com.
This drive is shipped with S.M.A.R.T. features disabled. You must have a recent BIOS or software package that
supports S.M.A.R.T. to enable this feature. The table below shows the S.M.A.R.T. command codes that the
drive uses.
Note. If an appropriate code is not written to the Features Register, the command is aborted and 0x04
(abort) is written to the Error register.
Table 10: S.M.A.R.T. commands
Code in features register S.M.A.R.T. command
D0
H
S.M.A.R.T. Read Data
D1
H
Vendor-specific
D2
H
S.M.A.R.T. Enable/Disable Attribute Autosave
D3
H
S.M.A.R.T. Save Attribute Values
D4
H
S.M.A.R.T. Execute Off-line Immediate
(runs DST)
D5
H
S.M.A.R.T. Read Log Sector
D6
H
S.M.A.R.T. Write Log Sector
D7
H
Vendor-specific
D8
H
S.M.A.R.T. Enable Operations
D9
H
S.M.A.R.T. Disable Operations
DA
H
S.M.A.R.T. Return Status
34 Barracuda 7200.7 Serial ATA Product Manual, Rev. N
Barracuda 7200.7 Serial ATA Product Manual, Rev. N 35
5.0 Seagate Technology support services
Online services
Internet
www.seagate.com for information about Seagate products and services. Worldwide support is available 24
hours daily by e-mail for your questions.
Presales Support: www.sea
gate.com/support/email/email_presales.html or Presales@Seagate.com
Technical Support: www.sea
gate.com/support/email/email_disc_support.html or DiscSupport@Seagate.com
mySeagate
my.seagate.com is the industry’s first Web portal designed specifically for OEMs and distributors. It provides
self-service access to critical applications, personalized content and the tools that allow our partners to man-
age their Seagate account functions. Submit pricing requests, orders and returns through a single, password-
protected Web interface—anytime, anywhere in the world.
reseller.seagate.com
reseller.seagate.com supports Seagate resellers with product information, program benefits and sales tools.
You may register for customized communications that are not available on the web. These communications
contain product launch, EOL, pricing, promotions and other channel-related information. To learn more about
the benefits or to register, go to reseller.sea
gate.com, any time, from anywhere in the world.
Automated phone services
SeaFONE
®
(1-800-SEAGATE) is the Seagate toll-free number (1-800-732-4283) to access our automated
directory assistance for Seagate Service Center support options. International callers can reach this service by
dialing +1-405-324-4770.
Seagate Service Centers
Presales Support
Our Presales Support staff can help you determine which Seagate products are best suited for your specific
application or computer system, as well as drive availability and compatibility.
Technical Support
If you need help installing your drive, consult your system's documentation or contact the dealer's support ser-
vices department for assistance specific to your system. Seagate technical support is also available to assist
you online at support.sea
gate.com or through one of our call centers. Have your system configuration informa-
tion and your drive’s “ST” model number available.
SeaTDD™ (+1-405-324-3655) is a telecommunications device for the deaf (TDD). You can send questions or
comments 24 hours daily and exchange messages with a technical support specialist during normal business
hours for the call center in your region.
Barracuda 7200.7 Serial ATA Product Manual, Rev. N 43
Read Sectors without Retries 26
Read Verify Sectors
26
Read Verify Sectors Extended
26
Read Verify Sectors without Retries
26
read/write actuator arm
7
Read/write heads
5
read/write heads
3
Read/write power
7
Ready to spindle stop
7
Recording density
3, 6
Recording method
6
Recording technology
6
Relative humidity
4, 12
Reliability
14
Retries
26
RF
14
RMS read/write current
10
RoHS
17
RPM
3
RRL
15
S
S.M.A.R.T. 26
S.M.A.R.T. implementation
26
Safety certification
15
SATA
6, 23
screws
12
SeaShell™
19
sector
5
sectors
5
Sectors per track
5
sectors per track
3
Security Disable Password
27
Security Erase Prepare
27
Security Erase Unit
27
Security Freeze Lock
27
Security Set Password
27
Security Unlock
27
Seek
26
seek mode
7
Seek mode power
7
Seek power
4
Seek time
7
seek time
4
Seeking
8
Serial ATA
6
Serial ATA (SATA) interface
23
serial ATA ports
2
Servo electronics
7
servo electronics
8
Set Features
26
Set Max Address
26
Set Multiple Mode
26
Shock
12
Shock, nonoperating
4
Shock, operating
4
single-track seeks
7
Sleep
8, 11, 27
Sleep mode
4, 11
sound power
4
Specification summary table
3
Spindle speed
3, 6
spindle stop
7
Spinup
8
Spinup power
7
Standby
8, 11, 27
Standby Immediate
27
Standby mode
4, 8, 11
standby timer
11
Standby to Ready
7
Standby to ready
4
Start/stop times
7
start-stop cycles
5, 14
Startup current
4
static-discharge
19
support services
35
Surge immunity
14
T
technical support services 35
temperature
4, 7, 11
Temperature gradient
4, 12
timer
11
timers
11
TPI
3
Track density
3, 6
Track-to-track
7
Track-to-track seek time
4, 7
TUV North America
15
U
UL 1950 15
V
Vibration 13
Vibration, nonoperating
4
Vibration, operating
4
voltage
7
Voltage dips, interrupts
14
Voltage tolerance
4, 10
W
Weight 3
Wet bulb temperature
4, 12
Width
3
Write Buffer
26
Write DMA
26
Write DMA Extended
26, 27
44 Barracuda 7200.7 Serial ATA Product Manual, Rev. N
Write Multiple 27
Write Multiple Extended
27
Write Sectors
27
Seagate Technology LLC
920 Disc Drive, Scotts Valley, California 95066-4544, USA
Publication Number: 100270024, Rev. N, Printed in USA
… 21 …

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