Dell Precision T3400 (Late 2007) - Manual (Page 220)

220
Adding and Replacing Parts
NOTE:
If you are adding a floppy drive or Media Card Reader to your desktop
computer, see "Installing a Floppy Drive or Media Card Reader (Desktop Computer)"
on page 228.
Removing a Floppy Drive or Media Card Reader (Tower Computer)
1 Follow the procedures in "Before You Begin" on page 143.
2 Remove the computer cover (see "Removing the Computer Cover" on
page 145).
3 Remove the front panel (see "Removing the Front Panel" on page 154).
4 If you are removing a floppy drive:
a Disconnect the power cable from the back of the floppy drive.
b Disconnect the data cable from the back of the floppy drive.
5 If you are removing a Media Card Reader, disconnect the data cable from
the back of the Media Card Reader.
6 Disconnect the other end of the data cable from the system board
connector labeled "FLOPPY" (for a floppy drive) or "USB1" (for a Media
Card Reader). To locate system board connectors, see "System Board
Components" on page 148.