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See "Finding Solutions" in your User's Guide for complete information. 20. If the drive you just installed is the primary drive, install the operating system on the hard drive. For instructions, refer to the documentation that came with the operating system. Adding a Second Hard Drive 1. Unpack the drive, and prepare it for installation. Check the documentation for the drive to verify that it is configured for your computer. 2. Open the computer cover. 3. Remove the two green plastic rails inside the hard-drive bay. These rails are not attached to the inside of the hard-drive bay with screws. To remove the rails, gently pull the rails up and out of the bay. 4. Attach the rails to the hard drive using the two screws attached to the rails. 1 hard-drive data cable 4 hard-drive data cable connector 2 power cable 5 hard-drive connector (IDE PRI) 3 power cable connector NOTICE: To avoid possible damage to the computer, you must match the colored stripe on the hard-drive data cable with pin 1 on the drive's data cable connector and with the IDE drive data connector (labeled IDE_PRI) on the system board. NOTICE: Ground yourself by touching an unpainted metal surface on the back of the chassis. NOTICE: When you unpack the drive, do not set it on a hard surface, which may damage the drive. Instead, set the drive on a surface, such as a foam pad, that will sufficiently cushion it. Ensure that the rail tabs are positioned at the back of the hard drive. 5. Remove the first hard drive from the upper bay and install it in the lower bay. a. Disconnect the power cable and the data cable from the back of the first hard drive. b. Press in the two green rail tabs and pull the first hard drive out of the upper bay. c. Gently slide the first hard drive into the lower bay until you hear a click. d. Reconnect the power cable and the data cable to the back of the hard drive. 6. Gently slide the new hard drive into the upper bay until you hear a click. Second Hard Drive Installed 7. Locate the extra connector on the drive cable that is attached to the first hard drive and attach the connector to the second hard drive. For more information, see "IDE Drive Addressing." IDE Drive Addressing All IDE devices require that you configure the cable select setting, which assigns master and slave status to devices according to their position on the interface cable. You usually configure a drive for cable select by setting a jumper or switch, depending on the drive. Refer to the drive documentation in your upgrade kit for information on configuring devices for the cable select setting. When you connect two IDE devices to a single IDE interface cable and configure them for the cable select setting, the device attached to the last connector on the interface cable is the master or boot device (drive 0), and the device attached to the middle connector on the interface cable is the slave device (drive 1). With the two IDE interface connectors on the system board, your computer supports up to two IDE devices. IDE hard drives should be connected to the IDE interface connector labeled "IDE PRI." (Always connect removable media drives to the IDE interface connector labeled "IDE SEC.") Connecting Drives When you install a drive, you connect two cables—a DC power cable and an interface cable—to the back of the drive. Your drive's power input connector (to which you connect the DC power cable) resembles the following connector. Power Cable Connector NOTICE: Do not install a drive into the lower hard-drive bay until you remove the green drive rails from inside the hard-drive cage. 1 rail tabs (2) 2 second hard drive in upper bay 3 first hard drive in lower bay 4 hard drive cage NOTICE: Match the colored strip on the cable with pin1 on the drive. The drive's interface connector is a card-edge connector or a header connector, as shown in the following figure. Drive Interface Connectors When you attach the interface cable to a drive, be sure to match the colored stripe on the cable to pin 1 of the drive's interface connector. For the location of pin 1 on the drive's interface connector, see the documentation that came with the drive. When you disconnect an interface cable from the system board, be sure to press in on the locking tabs on the cable connector before you disconnect the cable. When you attach an interface cable to the system board, be sure that the locking tabs snap into place so that the cable is firmly attached to the connector on the system board. Most interface connectors are keyed for correct insertion; that is, a notch or a missing pin on one connector matches a tab or a filled-in hole on the other connector. Keyed connectors ensure that the pin-1 wire in the cable (indicated by the colored stripe along one edge of the cable) goes to the pin-1 end of the connector. The pin-1 end of a connector on a board or a card is usually indicated by a silk-screened "1" printed directly on the board or card. IDE Device Installation Guidelines General Guid...