HP Pro 3000 MT Hardware Reference Manual page 31

5. Attach the two screws that secure the hard disk drive cage to the chassis.
Figure 29 Securing the Hard Drive Cage
6. If installing a new drive, connect the opposite end of the data cable to the appropriate system board
connector. If your system has only one SATA hard drive, you must connect the hard drive data
cable to the dark blue connector to avoid any hard drive performance problems. If you are adding
a second hard drive, connect the data cable to the next available (unpopulated) SATA connector
on the system board.
NOTE: If your system has only one SATA hard drive, you must connect the hard drive data cable
to the dark blue SATA on the system board to avoid any hard drive performance problems. If you
are adding a second hard drive, connect the data cable to the next available (unpopulated) SATA
connector on the system board.
7. Replace the computer access panel.
8. Reconnect the power cord and any external devices, then turn on the computer.
9. Lock any security devices that were disengaged when the access panel was removed.
Installing Additional Drives 25