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72 Removing and Installing Parts
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Connecting Drive Cables
When you install a drive, you connect two cables—a DC power cable and a data cable—to the back
of the drive and to the system board.
Drive Interface Connectors
Most interface connectors are keyed for correct insertion; that is, a notch or a missing pin on one
connector matches a tab or a filled-in hole on the other connector. Serial ATA cables go to the pin-1
end of the connector. The pin-1 end of a connector on a board or a card is usually indicated by a
silk-screened “1” printed directly on the board or card.
NOTICE: When you connect an IDE interface cable, do not place the colored stripe away from pin 1 of
the connector. Reversing the cable prevents the drive from operating and could damage the controller,
the drive, or both.
Power Cable Connector
To connect a drive using the power cable, locate the power input connector on the system board.
Serial ATA Connector
interface cable
interface connector
power cable connector
power input
connector