S
EAGATE
600 P
RO
SSD P
RODUCT
M
ANUAL
, R
EV
. A
23
Table 10 summarizes the 1.8” drive
Signal and Power SATA Plug
.
Notes:
[1]
Ground pins 3 and 4 mate first on micro SATA backplane connectors
[2]
The two V
33
pins are unused but connected together on the drive. They can be used for a drive-in-place detection.
Table 10 1.8” SATA Connector Plug Pinout
Segment
Pin
Function
Definition
Signal
S1
GND
Ground
S2
A+
Differential Signal Pair (Host to Drive)
S3
A-
S4
GND
Ground
S5
B-
Differential Signal Pair (Drive to Host)
S6
B+
S7
GND
Ground
Spacing separates signal and power segments
Power
P1
V
33
Unused
P2
V
33
P3
GND
Ground
P4
GND
P5
V
5
5V power to Drive
P6
V
5
P7
LED Signal
Activity LED: Driven low to light
Key
Key
Keyway
P8
Optional
Reserved for Seagate use.
Leave unconnected.
P9
Optional