Dell OptiPlex GX620 - Manual (Page 157)

is usually indicated by a silk-screened "1" printed directly on the board or card.
Power Cable Connectors
Connecting and Disconnecting Drive Cables
When connecting and disconnecting a serial ATA data cable, hold the cable by the black connector at each end.
Serial ATA 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.
Hard Drive
1. If you are replacing a hard drive that contains data you want to keep, back up your files before you begin this procedure.
2. Check the documentation for the drive to verify that it is configured for your computer.
Removing a Hard Drive
1. Follow the procedures in " Before You Begin ."
2. Remove the computer cover .
3. Lay the computer on its side so that the system board is on the bottom of the inside of the computer.
4. Press in on the two blue securing tabs on each side of the drive and slide the drive up and out of the computer.
NOTICE: When you connect an IDE interface cable, do not place the colored stripe away from pin 1 of the connector. Reversing the cable prevents the
drive from operating and could damage the controller, the drive, or both.
1 power cable
2 power input connector
1 interface cable connector
2 interface connector
CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.
CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before removing the computer cover.
NOTICE: To avoid damage to the drive, do not set it on a hard surface. Instead, set the drive on a surface, such as a foam pad, that will sufficiently
cushion it.