20LVD SCSIDE Bridge Manual3.3.2 Internal Power Connection3.3.3 Cable ConnectionFigure 3-2The large connector of the Y-splitter power cord is for most IDE devices while thesmall one for AEC-7722.Before connecting AEC-7722 to a DVD drive, you should tell the SCSI connectorfrom the IDE one. On the bridge the 68-pin connector is for SCSI adapter while the40-pin one for IDE device. There is a new SCSI cable in the package of SCSI adapter(optional). Connect it to AEC-7722.