Table 7 summarizes the 1.8” drive Signal and Power SATA Plug.

Table 7 1.8” SATA Connector Plug Pinout

Segment

Pin

Function

Definition

 

S1

GND

Ground

 

 

 

 

 

S2

A+

Differential Signal Pair (Host to Drive)

 

 

 

 

S3

A-

 

 

Signal

 

 

 

S4

GND

Ground

 

S5

B-

Differential Signal Pair (Drive to Host)

 

 

 

 

S6

B+

 

 

 

 

 

 

 

S7

GND

Ground

 

 

 

 

 

 

Spacing separates signal and power segments

 

 

 

 

 

P1

V33

Unused [2]

 

P2

V33

 

 

 

P3

GND

Ground [1]

 

 

 

 

P4

GND

 

 

 

 

 

 

Power

P5

V5

5V power to Drive

P6

V5

 

 

 

P7

LED Signal

Activity LED: Driven low to light

 

 

 

 

 

Key

Key

Keyway

 

 

 

 

 

P8

Optional

Reserved for Seagate use.

 

P9

Optional

Leave unconnected.

 

 

 

 

Notes:

[1]Ground pins 3 and 4 mate first on micro SATA backplane connectors

[2]The two V33 pins are unused but connected together on the drive. They can be used for a drive-in-place detection.

SEAGATE 600 SSD PRODUCT MANUAL, REV. A

21

Page 25
Image 25
Seagate ST120HM000, ST120HM001, ST240HM001 Summarizes the 1.8 drive Signal and Power Sata Plug, Sata Connector Plug Pinout