XL500S
Specifications
2679-701211-A06
RELEASED 10/21/10 (WD CONFIDENTIAL)
13
2.7
Device Plug Connector Pin Definitions
These drives interface with the host I/O bus via the SATA interface connection illustrated in
Figure 2-4 below. The drive receives power from the SATA power connection or legacy ATA
4-pin power connector J3 in Figure 2-4. Table 2-2 identifies the pin definitions of the SATA
connectors and the corresponding signal names and signal functions.
Figure 2-4. Standard Factory Connectors
Table 2-2. Device Pin Connector Pin Definitions
Signal
s
e
gment
S1
Gnd
2nd mate
S2
A+
Differential signal pair A from Phy
S3
A-
S4
Gnd
2nd mate
S5
B-
Differential signal pair B from Phy
S6
B+
S7
Gnd
2nd mate
Key and spacing separate signal and power segments
P
o
we
r segm
ent
P1
V
33
3.3 V power, NC
P2
V
33
3.3 V power, NC
P3
V
33
3.3 V power, pre-charge, 2nd mate, NC
P4
Gnd
1st mate, GROUND
P5
Gnd
2nd mate, GROUND
P6
Gnd
2nd mate, GROUND
P7
V
5
5V power, Precharge, 2nd mate
P8
V
5
5V power
P9
V
5
2nd mate, 5V power
P10
Gnd
2nd mate, GROUND
P11
ACT-
Activity LED- (O.C.)/Staggered Spin-up Disable Control
P12
Gnd
1st mate, GROUND
P13
V
12
12 V power, pre-charge, 2nd mate
P14
V
12
12 V power
P15
V
12
12 V power
