Serial Ata (Sata) Interface; Hot-Plug Compatibility; Serial Ata Device Plug Connector Pin Definitions - Seagate ST3160215ACE Product Manual

4.1

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 0–4; multiword DMA modes 0–2, and Ultra DMA modes 0–6.
For detailed information about the Serial ATA interface, refer to the "Serial ATA: High Speed Serialized AT
Attachment" specification.
4.1.1

Hot-Plug compatibility

DB35.3 Series drives incorporate connectors which enable you to hot plug these drives in accordance with the
Serial ATA II: Extension to Serial ATA 1.0a specification. This specification can be downloaded from www.seri-
alata.org.
4.1.2

Serial ATA device plug connector pin definitions

Table 5 summarizes the signals on the Serial ATA interface and power connectors.
Table 5: Serial ATA connector pin definitions
Segment Pin Function
S1 Ground
S2 A+
S3 A-
S4 Ground
S5 B-
S6 B+
Signal
S7 Ground
P1 V
33
P2 V
33
P3 V
33
P4 Ground
P5 Ground
P6 Ground
P7 V
5
P8 V
Power
5
P9 V
5
P10 Ground
P11 Ground or LED signal
P12 Ground
P13 V
12
P14 V
12
P15 V
12
24
Definition
2nd mate
Differential signal pair A from Phy
2nd mate
Differential signal pair B from Phy
2nd mate
Key and spacing separate signal and power segments
3.3V power
3.3V power
3.3V power, pre-charge, 2nd mate
1st mate
2nd mate
2nd mate
5V power, pre-charge, 2nd mate
5V power
5V power
2nd mate
If grounded, drive does not use deferred spin
1st mate.
12V power, pre-charge, 2nd mate
12V power
12V power
DB35.3 Series SATA/PATA Product Manual, Rev. F