Asus AP120-E1 - Manual (Page 44)

Chapter 3: Optional components 3-6
5. Connect the other end of the
Serial ATA cable to the SATA
connectors on the
motherboard.
6. Connect a 4-pin power plug
from the power supply unit to
the power connector at the
back of the drive(s).
5
6
3. Connect one end of the 7-pin
Serial ATA cable to the
connector at the back of the
drive(s).
4. Align the drive cage and
retention base rails, then
slightly push the cage until it
clicks in place
3 4
Use a Serial ATA power cable and adapter for Serial ATA HDD(s)
without a 4-pin power connector.