Seagate ST2000DM001 Barracuda SATA Product Manual - Page 31

Serial ATA (SATA) Interface, 4.1 Hot-Plug compatibility

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4.0 Serial ATA (SATA) Interface These drives use the industry-standard Serial ATA 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. 4.1 Hot-Plug compatibility Barracuda drives incorporate connectors which enable you to hot plug these drives in accordance with the Serial ATA Revision 2.5 specification. This specification can be downloaded from www.serialata.org. 4.2 Serial ATA device plug connector pin definitions Table 8 summarizes the signals on the Serial ATA interface and power connectors. Table 8 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 Barracuda SATA Product Manual, Rev. B 31

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Barracuda SATA Product Manual, Rev. B
31
4.0
Serial ATA (SATA) Interface
These drives use the industry-standard Serial ATA 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.
4.1
Hot-Plug compatibility
Barracuda
drives incorporate connectors which enable you to hot plug these drives in accordance with the Serial
ATA Revision 2.5 specification. This specification can be downloaded from www.serialata.org.
4.2
Serial ATA device plug connector pin definitions
Table 8
summarizes the signals on the Serial ATA interface and power connectors.
Table 8
Serial ATA connector pin definitions
Segment
Pin
Function
Definition
Signal
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+
S7
Ground
2nd mate
Key and spacing separate signal and power segments