HP Pavilion d4000 Upgrading and Servicing Guide - Page 11

4 Slide the drive into the cage, making sure to align the guide screws with the guide slots. Push the drive into the cage and snap it into place. WARNING: For Parallel ATA drives, connect the IDE data cable end labeled Master to the primary hard disk drive in the top slot of the hard disk drive cage. If you have a second or third hard disk drive, connect the IDE cable labeled Slave to them. If the IDE cable is not connected correctly, the PC will not be able to locate the hard drives and data may be lost. 6 Complete the procedures to replace the side panel, and close the PC. See "Opening and Closing the PC" on page 1. 5 Reconnect the power and data cables to the drive. Adding Memory Your PC comes with random access memory (RAM), which temporarily stores data and instructions on your PC. The PC ships with one or more memory modules, but you can replace the existing memory module(s) with higher-capacity ones. The motherboard contains sockets for DDR DIMMs (double data rate dual in-line memory modules). The exact number of sockets and type of DDR memory module depends on which model PC you have. Connecting the Serial ATA hard disk drive cables Connecting the Parallel ATA hard disk drive cables DDR DIMM module example To determine which type of memory module your PC uses, and for specific memory module information and specifications, go to the Web site listed in your Warranty and Support Guide and click the Support link. WARNING: Using the wrong type of memory module can damage the system. Upgrading and Servicing Guide 7