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38 Barracuda 4 Installation Guide, Rev. E
Synchronizing spindles
Use pins 1 and 2 on the J4 connector to attach the
spindle sync cable. See Figure 13.
Figure 13. Spindle sync connectors
Spindle sync reference index signal
(REFSIG+).
J4
SSC
Spindle Sync Cable Connector
(SSC). These pins are used to
connect a spindle sync cable.
Ground (GND).
SCSI
Connector
DC Power
Connector
J4
Pin 1
Pin 2
N/ND drives