HP SG3-200 Upgrading and Servicing Guide - Page 13

4 Ensure that the jumper on the new optical drive or the new Parallel ATA hard disk drive is in the CS (Cable Select) position. Your drive may vary from the illustration. NOTE: The Serial ATA hard disk drive does not use Cable Select. Cable Select jumper 5 Slide the optical drive partway into the front of the chassis. 6 Connect the power and data cables to the back of the drive you want to add. Reconnect the sound cable, if it is present. WARNING: If you are adding a second Parallel ATA drive, ensure that you connect the data cable labeled Master to the primary hard disk drive, and the data cable labeled Slave to the secondary hard disk drive. If the data cables are not connected correctly, the computer will be unable to locate the hard disk drives and data may be lost. Upgrading and Servicing Guide 9