3. Connect the SATA or PATA data cable between the drive and the host adapter (motherboard
connector) (see Figure 19.30).
4. Attach a power connector to the drive (refer to Figure 19.30). Some SATA drives have both conventional
4-pin peripheral power connectors as well as SATA 15-pin power connectors, in which
case you can use one or the other, but not both simultaneously. If your drive has only a SATA
power connector and your power supply doesn’t have SATA power connectors available, you
might need to purchase a peripheral-to-SATA power cable adapter if one was not provided with
your drive. This type of adapter changes a standard 4-pin peripheral power connector into a 15-
pin SATA power connector. If necessary, you can also use a Y-splitter cable to create two power
connectors from one. (Some computers have fewer power connectors than drive bays.)