Seagate ST3000DM003 User Manual

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 SATA interface, refer to the “Serial ATA: High Speed Serialized AT Attachment”
specification.

Desktop HDD drives incorporate connectors which enable users to hot plug these drives in accordance with the
SATA Revision 3.0 specification. This specification can be downloaded from 

.

 summarizes the signals on the SATA interface and power connectors.

1.

All pins are in a single row, with a 1.27 mm (0.050 in) pitch.

2.

The comments on the mating sequence apply to the case of backplane blindmate connector only. In this case, the mating
sequences are:

•  the ground pins P4 and P12.
•  the pre-charge power pins and the other ground pins.
•  the signal pins and the rest of the power pins.

3.

There are three power pins for each voltage. One pin from each voltage is used for pre-charge when installed in a blind-
mate backplane configuration.

•  

All used voltage pins (V

x

) must be terminated.

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

P1

V

33

3.3V power

P2

V

33

3.3V power

P3

V

33

3.3V power, pre-charge, 2nd mate

P4

Ground

1st mate

P5

Ground

2nd mate

P6

Ground

2nd mate

P7

V

5

5V power, pre-charge, 2nd mate

P8

V

5

5V power

P9

V

5

5V power

P10

Ground

2nd mate

P11

Ground or LED signal

If grounded, drive does not use deferred spin

P12

Ground

1st mate.

P13

V

12

12V power, pre-charge, 2nd mate

P14

V

12

12V power

P15

V

12

12V power