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4.0 SATA Interface
These drives use the industry-standard Serial ATA(SATA) interface that supports FIS data transfers. It supports ATA programmed input/output (PIO) modes 0 to 4; multiword DMA modes 0 to 2, and Ultra DMA modes 0 to 6.
For detailed information about the Serial ATA interface, refer to the “Serial ATA: High Speed Serialized AT Attachment” specification.
4.1Hot-Plug compatibility
Barracuda drives incorporate connectors which enable you to hot plug these drives in accordance with the Serial ATA Revision 2.6 specification. This specification can be downloaded from www.serialata.org.
4.2Serial ATA device plug connector pin definitions
Table 6 summarizes the signals on the Serial ATA interface and power connectors.
Table 6 Serial ATA connector pin definitions
Segment | Pin | Function | | Definition |
| | | | |
| S1 | Ground | | 2nd mate |
| | | | |
| S2 | A+ | | Differential signal pair A from Phy |
| | | | |
| S3 | A- | | |
| | | | |
| S4 | Ground | | 2nd mate |
| | | | |
| S5 | B- | | Differential signal pair B from Phy |
| | | | |
| S6 | B+ | | |
| | | | |
Signal | S7 | Ground | | 2nd mate |
| | | | |
| | | Key and spacing separate signal and power segments |
| | | | |
Power | P1 | V33 | | 3.3V power |
Barracuda XT SATA Product Manual, Rev. D | 27 |
100586689 Rev. D September
BarracudaXT
Revision Date Description of changes
Revision History
Contents
Barracuda XT Sata Product Manual, Rev. D
Figures
Barracuda XT Sata Product Manual, Rev. D
Seagate Technology Support Services
Barracuda XT Sata Product Manual, Rev. D
About the Serial ATA interface
Introduction
Drive Specifications
LBA mode
Default logical geometry
Formatted capacity
Start/stop times
Physical characteristics
Power specifications
Recording and interface technology
Standby mode
Read/write power and current
Operating power and current
Idle mode power
Typical 12V startup and operation current profiles 3000GB
Typical 5V startup and operation current profiles 3000GB
Typical 12V startup and current profiles 2000GB
Typical 5V startup and current profiles 2000GB
Power management modes
Conducted noise
Voltage tolerance
Altitude
Environmental specifications Ambient temperature
Temperature gradient
Humidity
Shock
Vibration
Acoustics
Test for Prominent Discrete Tones PDTs
Electromagnetic immunity
Test Description Performance level Reference Standard
FCC verification
Warranty
Agency certification Safety certification
Electromagnetic Compatibility EMC
Environmental protection
China Restriction of Hazardous Substances RoHS Directive
Corrosive environment
Drive Specifications
Handling and static-discharge precautions
Configuring the drive
Serial ATA cables and connectors
Attaching Sata cabling
Drive mounting
Mounting dimensions 3000GB model
Mounting dimensions 2000GB model
3V power
Segment Pin Function Definition
Ground 2nd mate
P14
3V power, pre-charge, 2nd mate
12V power, pre-charge, 2nd mate
12V power
Command name Command code in hex
Supported ATA commands
Command name
Word Description Value
Identify Device command
57-58 Current capacity in sectors
Or Write Multiple command
Number of current logical heads
Number of current logical sectors per logical track
BE01H
00DEH
Fffeh
Bit Word
Set Features command
Enable read look-ahead read cache feature default
AAH
Code in features register A.R.T. command
3 S.M.A.R.T. commands
Barracuda XT Sata Product Manual, Rev. D
Master/slave 9 mounting
Barracuda XT Sata Product Manual, Rev. D
Barracuda XT Sata Product Manual, Rev. D
Barracuda XT Sata Product Manual, Rev. D
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