Seagate BARRACUDA 4 Family Installation Manual page 45

Barracuda 4 Installation Guide, Rev. E
Synchronizing spindles
Use pins 11 and 12 on the J5 connector to attach the
spindle sync cable. See Figure 18.
SCSI I/O
Connector
J5
Spindle Sync Cable Connector (SSC)
These pins are used to connect a
spindle sync cable.
Spindle sync reference index signal
(REFSIG+).
Ground (GND).
Figure 18. Spindle sync connectors
DC Power
Pin 1
Connector
SSC
J5
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