Dell 840 Personal Computer User Manual


 
48 Installing System Components
DC Power Cables
Each drive must connect to a DC power cable from the system power supply. These power cables are used
for the 3.5-inch diskette drive, 5.25-inch devices, and hard drives.
NOTICE: To avoid electrical damage to internal system components, install a cover connector on any unused
connectors on hard-drive power cables.
Diskette Drive
Removing a Diskette Drive
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. Before performing any procedure, see your Product Information Guide for
complete information about safety precautions, working inside the computer, and protecting against electrostatic
discharge.
1
Turn off the system, including any attached peripherals, and disconnect the system from the electrical
outlet.
2
Open the system. See "Opening the System" on page 43.
3
Disconnect the power cable and the interface cable from the diskette drive. See Figure 3-5.
4
Remove the two screws that secure the diskette drive in the externally accessible drive bay. See
Figure 3-5.
5
Slide the diskette drive forward out of the drive bay.
Installing a Diskette Drive
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. Before performing any procedure, see your Product Information Guide for
complete information about safety precautions, working inside the computer, and protecting against electrostatic
discharge.
1
Unpack the drive and prepare the drive for installation.
For instructions, see the documentation that accompanied the drive.
2
Slide the diskette drive into the externally accessible drive bay.
3
Install the two screws that secure the diskette drive in the drive bay. See Figure 3-5.
4
Connect the power cable and the interface cable to the diskette drive. See Figure 3-5.
5
Close the system. See "Closing the System" on page 47."
6
Stand the system upright.
7
Reconnect the system to its electrical outlet and turn the system on, including any attached
peripherals.