Dell OptiPlex GXi Reference and Installation Guide (.pdf) - Page 93
Removing the Hard-Disk Drive, Bracke, the Bracket
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4. Remove the expansion-card cage as instructed in "Removing and Replacing the Expansion-Card Cage" in Chapter 5. 5. Remove the hard-disk drive bracket from the chassis. If a hard-disk drive is already installed on the drive bracket and you are replacing it, disconnect the DC power cable and EIDE cable from the drive. Loosen the captive screw that secures the hard-disk drive bracket to the chassis (see Figure 7-11). Then rotate the bracket upward and lift it out of the chassis. Detach the hard-disk drive from the bracket by removing the four screws. . captive screw tabs on back of drive bracket slots in chassis floor divider Figure 7-11. Removing the Hard-Disk Drive Bracket 6. Secure the drive bracket to the new drive. Turn the drive upside down and locate the four screw holes around its perimeter. Orient the drive bracket so that the end labeled "CONNECTOR" faces the side of the drive containing the interface and power connectors. Place the bracket on the drive and secure it with four screws (see Figure 7-12). Figure 7-12. Securing the Hard-Disk Drive to the Bracket 7. Reinstall the hard-disk drive/bracket assembly in the chassis. Grasp the bracket by the tab containing the captive screw and hold the bracket at a 45-degree angle to the chassis floor. Align the two tabs on the other side of the bracket with the score marks on the chassis floor. Insert the two tabs into the slots in the chassis floor divider, and rotate the assembly downward. Then tighten the captive screw until the bracket is securely fastened to the chassis floor (see Figure 7-11). 8. Connect one end of the EIDE cable to the 40-pin interface connector on the back of the hard-disk drive (see Figure 7-13). The cable is keyed so that the colored edge of the EIDE cable lines up with the pin-1 end of the interface connector. CAUTION: You must match the colored strip on the EIDE cable with pin 1 on the drive's interface connector to avoid possible damage to your system. Installing Drives 7-7