228 Desktop Computer PartsDrive Interface ConnectorsThe drive cable connectors are keyed for correct insertion. Properly align thecable connector key on the cable and the drive before connecting.Connecting and Disconnecting Drive CablesWhen connecting and disconnecting a serial ATA data cable, disconnect thecable using the pull-tab.The serial ATA interface connectors are keyed for correct insertion; that is, anotch or a missing pin on one connector matches a tab or a filled-in hole onthe other connector.1 power cable 2 power input connector1 interface cable 2 interface connector12Power ConnectorSerial ATA Connector12