Seagate ST9750420AS Momentus 7200.4 SATA Product Manual
Seagate ST9750420AS Manual
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- Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 1
Product Manual Momentus 7200.4 SATA ST9500420AS ST9320423AS ST9250410AS ST9160412AS ST9120410AS ST980412AS ST9500420ASG ST9320423ASG ST9250410ASG ST9160412ASG ST9120410ASG ST980412ASG 100534376 Rev. C November 2010 - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 2
2010 Seagate, Seagate Technology and the Wave logo are registered trademarks of Seagate Technology LLC in the United States and/or other countries. Momentus and and thus will not be available for data storage. Seagate reserves the right to change, without notice, product offerings or specifications. - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 3
-Plug compatibility 22 4.2 Serial ATA device plug connector pin definitions 23 4.3 Supported ATA commands 24 4.3.1 Identify Device command 26 4.3.2 Set Features command 30 4.3.3 S.M.A.R.T. commands 31 5.0 Seagate Technology support services 32 Momentus 7200.4 SATA Product Manual, Rev. C i - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 4
ii Momentus 7200.4 SATA Product Manual, Rev. C - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 5
List of Figures Figure 1. Figure 2. Figure 3. Figure 4. Typical +5V only startup and operation current profile 9 Serial ATA connectors 20 Attaching SATA cabling 20 Mounting dimensions-top, side and end view 21 Momentus 7200.4 SATA Product Manual, Rev. C iii - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 6
- Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 7
1.0 Introduction This manual describes the functional, mechanical and interface specifications for the following Seagate Momentus® 7200.4 SATA model drives: Standard models ST9500420AS ST9320423AS ST9250410AS ST9160412AS ST9120410AS ST980412AS Free Fall Protection models ST9500420ASG ST9320423ASG - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 8
ATA devices behave like Device 0 devices. For additional 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.org. 2 Momentus 7200.4 SATA Product Manual - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 9
see the appropriate section of this manual. Table 1: Drive specifications Drive specification Formatted GB (512 bytes/sector in2 max) Spindle speed (RPM) Average latency (msec) Internal transfer rate (Gb/s max) I/O data transfer rate (Gb/s max) ATA data-transfer modes supported Height (max) Width ( - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 10
on/off cycles For information regarding Warranty Support, visit http://www.seagate.com/www/en-us/support/warranty_&_returns_assistance Yes (requires COMRESET from host after a hotplug event) *One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 11
organization Drive model ST9500420AS and ST9500420ASG ST9320423AS and ST9320423ASG ST9250410AS and ST9250410ASG ST9160412AS and ST9160412ASG ST9120410AS and ST9120410ASG ST980412AS and ST980412ASG Read/write heads 4 3/4 2 2 1/2 1 Number of discs 2 2 1 1 1 1 Momentus 7200.4 SATA Product Manual - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 12
speed (RPM) (± 0.2%) Maximum Internal transfer rate (Gbits/sec) I/O data-transfer rate (Gbits/sec max) Interleave Cache buffer 2.6 Physical characteristics Drive specification Height (mm) (inches) Width (mm) (inches) Length (mm) (inches) Typical weight ST9500420AS ST9500420ASG ST9320423AS - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 13
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 Time to ready Power-on to Ready (sec) Standby to Ready (sec) Typical 4.5 3.0 Max @ 25°C 5.0 3.5 Momentus - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 14
drives are listed in the table on page 8. Typical power measurements are based on an average of drives the time that the drive spindle reaches operating speed. the drive up to speed, with servo mode, the drive accepts commands, but the drive is not *During periods of drive idle, some offline - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 15
2.9.1.1 Typical current profile Figure 1. Typical +5V only startup and operation current profile Momentus 7200.4 SATA Product Manual, Rev. C 9 - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 16
across an equivalent 15-ohm resistive load on the +5 volt line. Using 5-volt power, the drive is expected to operate with a maximum of 100 mV peak-to-peak square-wave injected noise at Voltage tolerance Voltage tolerance (including noise): 5V ± 5% 10 Momentus 7200.4 SATA Product Manual, Rev. C - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 17
to zero. If the standby timer reaches zero before any drive 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. Momentus 7200.4 SATA Product Manual, Rev. C 11 - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 18
Momentus 7200.4 SATA drives. 2.10.1 Ambient temperature Ambient temperature is defined as the temperature of the environment immediately surrounding the drive. Actual drive assume that the drive is mounted securely with the input shock applied at the drive mounting screws. Shock These drives comply - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 19
). Max displacement may apply below 22 Hz. 2.11 Acoustics Drive emission of sound is measured consistent with the ECMA-74 and is the use of the absolute threshold of hearing. Seagate uses the lower limit for the threshold curve* to discern . Momentus 7200.4 SATA Product Manual, Rev. C 13 - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 20
Warranty Support, visit http://www.seagate.com/www/en-us/support/warranty_&_returns_assistance 2.13.1 Free Fall Protection feature The Free Fall Protection feature provides enhanced data protection against shock events that may occur while the drive 14 Momentus 7200.4 SATA Product Manual, Rev. C - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 21
compatibility Hard drives that device is required. Seagate Technology LLC has tested this device in enclosures as described above to ensure that the total assembly (enclosure, disc drive instructions, may cause interference to radio and television reception. Momentus 7200.4 SATA Product Manual - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 22
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 : How to Identify and Resolve Radio-Television Interference Problems. This booklet is available from the Superintendent of Documents - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 23
Restriction of Hazardous Substances (RoHS) Seagate designs its products to meet environmental and PBDE, in electronic products, effective July 2006. This drive is manufactured with components and materials that comply with the RoHS . "X RoHS MCV Momentus 7200.4 SATA Product Manual, Rev. C 17 - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 24
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 by replacing materials near circuitry with sulfide-free alternatives. 18 Momentus 7200.4 SATA Product Manual, Rev. C - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 25
the factory-installed labels from the drive or cover them with additional labels. Removal voids the warranty. Some factory-installed labels contain information needed to service the drive. Other labels are used to seal out dirt and contamination. Momentus 7200.4 SATA Product Manual, Rev. C 19 - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 26
host adapter, the host operating system views the two devices as if they were both "masters" on two separate ports. This means both drives behave as if they are Device 0 (master) devices. Serial ATA drives are designed for easy installation with no jumpers, terminators, or other settings. It is not - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 27
Allow a minimum clearance of 0.030 inches (0.76 mm) around the entire perimeter of the drive for cooling. • Use only M3 UNC mounting screws. • Do not overtighten the mounting Figure 4 are in inches. Figure 4. Mounting dimensions-top, side and end view Momentus 7200.4 SATA Product Manual, Rev. C 21 - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 28
DMA modes 0-6. The drive also supports the use of the IORDY signal to provide reliable high-speed data transfers. For detailed information about the Serial ATA interface, refer to the "Serial ATA: High Speed Serialized AT Attachment" specification. 4.1 Hot-Plug compatibility Momentus 7200.4 SATA - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 29
4.2 Serial ATA device plug connector pin definitions Table 7 summarizes the signals on the Serial ATA interface and power connectors.. Table 7: Serial ATA connector pin definitions Segment Pin . 4. All used voltage pins (Vx) must be terminated. Momentus 7200.4 SATA Product Manual, Rev. C 23 - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 30
that the drive supports. For a detailed description of the ATA commands, refer to the Serial ATA: High Speed Serialized AT Attachment specification. See "S.M.A.R.T. commands" on page 31.for details and subcommands used in the S.M.A.R.T. implementation. Command name ATA-standard commands Device - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 31
FEh S.M.A.R.T. Read Attribute Thresholds B0h/D1h S.M.A.R.T. Read Data B0h/D0h S.M.A.R.T. Read Log Sector B0h/D5h S.M.A.R.T. 34h ATA-standard power-management commands Check Power Mode E5h Idle E3h Idle Immediate E1h Sleep E6h Standby E2h Momentus 7200.4 SATA Product Manual, - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 32
(in hex) E0h F1h F2h F3h F4h F5h F6h 4.3.1 Identify Device command The Identify Device command (command code ECH) transfers information about the drive to the host following power up. The data is organized as a single 512-byte block of data, whose contents are shown in the table on page 27. All - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 33
60-61 62 63 64 65 66 67 68 Description Drive model number: (40 ASCII characters, padded with blanks to Standard Standby timer, IORDY supported and may be disabled ATA-reserved PIO data-transfer cycle timing mode Retired xxxxH ST9500420AS = Momentus 7200.4 SATA Product Manual, Rev. C 27 - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 34
for related information) These words are required for drives that support the 48-bit addressing feature. Maximum value: 0000FFFFFFFFFFFFh. ATA-reserved Free Fall Protection support (bit 5) Free Fall Protection enable/disable (bit 5) ATA-reserved Security status Value 0000H 0000H 0508H 0000H 0048H - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 35
Seagate-reserved ATA-reserved Integrity word Value xxxxH 0000H xxA5H Note. See the bit descriptions below for words 63, 88, 93 and 94 of the Identify Drive data: Description (if bit is set to 1) Bit Word 63 0 Multiword DMA mode 0 is supported VIL Momentus 7200.4 SATA Product Manual, Rev. C 29 - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 36
generates an interrupt. 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 default values of the features are as indicated above. 30 Momentus 7200.4 SATA Product Manual, Rev. C - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 37
new drives and is also available at: http://seatools.seagate.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. and 0x04 (abort) is written to the Error register. Momentus 7200.4 SATA Product Manual, Rev. C 31 - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 38
: Presales & Technical support Global Support Services telephone numbers & business hours Authorized Service Centers For information regarding Warranty Support, visit http://www.seagate.com/www/en-us/support/warranty_&_returns_assistance For information regarding Data Recovery Services, visit http - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 39
density 3, 6 ATA commands 24 ATA data-transfer modes supported 3 Australia/New drive 19 connectors 20 CSA C22.2 (950) 15 current 3 cycles 14 Cylinders 5 D data-transfer rates 1 DC power 8 Default logical geometry 5 density 3 Device Configuration Freeze Lock 24 Device Configuration Restore 24 Device - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 40
15 Information Technology Equipment (ITE) 15 Initialize Device Parameters 24 Input noise ripple 10 Interface 6 interface 22 Interleave 6 Internal data transfer rate 3 Internal data-transfer rate 6 ITE 15 K Korean RRL Read Verify Sectors without Retries 24 Momentus 7200.4 SATA Product Manual, Rev. C - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 41
14 Voltage tolerance 4, 10 W Warranty 14 Weight 3 weight 6 Wet bulb temperature 4, 12 Width 3 width 6 Write Buffer 25 Write DMA 25 Write DMA Extended 25 Write Long with Retries 25 Write Long without Retries 25 Write Multiple 25 Write Sectors 25 Momentus 7200.4 SATA Product Manual, Rev. C 35 - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 42
36 Momentus 7200.4 SATA Product Manual, Rev. C - Seagate ST9750420AS | Momentus 7200.4 SATA Product Manual - Page 43
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Seagate Technology LLC 920 Disc Drive, Scotts Valley, California 95066-4544, USA Publication Number: 100534376, Rev. C
Product Manual
Momentus 7200.4 SATA
100534376
Rev. C
November 2010
ST9500420AS
ST9320423AS
ST9250410AS
ST9160412AS
ST9120410AS
ST980412AS
ST9500420ASG
ST9320423ASG
ST9250410ASG
ST9160412ASG
ST9120410ASG
ST980412ASG