3. Connect one end of the signal cable to the drive and the other to the secondaryIDE connector on the system board. To reduce electronic noise, use theconnectors at the end of the cable only.4. Your computer has extra power connectors for additional drives. Connect apower connector to the drive.5. If you have a CD-ROM drive audio cable, connect it to the drive and the systemboard.To connect an additional IDE CD drive or DVD drive1. Locate the secondary IDE connector on the system board and thethree-connector signal cable. See “Identifying parts on the system board” onpage 30.2. Connect the extra connector in the signal cable to the new CD drive or DVDdrive.3. Your computer has extra power connectors for additional drives. Connect apower connector to the drive.To connect an additional IDE hard disk drive1. You will have to obtain a three-connector signal cable to connect your new harddisk.2. Remove the two-connector cable from the hard disk drive.3. Locate the primary IDE connector on the system board. One end of thethree-connector cable connects to the hard disk drive and the other connects tothe system board. See “Identifying parts on the system board” on page 30.4. Connect the extra connector in the signal cable to the new hard disk drive.5. Your computer has extra power connectors for additional drives. Connect apower connector to the drive.What to do nextv To work with another option, go to the appropriate section.v To complete the installation, go to “Replacing the cover and connecting thecables” on page 38.Installing a Rope ClipTo help prevent hardware theft, you can add a 3/16 inch or 5 mm Rope Clip andcable to your computer. After you add the security cable, make sure that it does notinterfere with other cables that are connected to the computer.To install a Rope Clip:1. Remove the cover. See “Removing the cover” on page 29.2. Use a tool, such as a screwdriver, to remove the two metal knockouts.Chapter 4. Installing internal options — desktop model 37