Dell Dimension XPS T___ - Manual (Page 18)

Lower 3.5-Inch Drive
To remove the lower 3.5-inch drive, perform the following steps:
1. Remove the bezel.
2. Remove the drive cage .
3. Remove the three drive-mounting screws, one from the bottom and two from the left side.
4. Slide the drive out of the drive cage.
When you replace a drive, set the jumpers on the replacement drive to match the jumpers on the drive you removed. For additional information
about jumper settings on EIDE drives, see
EIDE Subsystem .
To insert the bottom drive back into the bay, you must slide the drive over the two small grooves on the bottom of the bay.
3.5-Inch Diskette Drive
To remove the 3.5-inch diskette drive, perform the following steps:
1. Remove the bezel.
2. Disconnect the power and interface cables from the back of the diskette drive.
3. Press the two drive-release tabs, and slide the drive out of the drive bay.
Before you install the new drive, transfer the drive-release tabs to the replacement diskette drive.
NOTE: This drive bay is used only in mini tower systems.
1 Drive-mounting screws (3)
1 Drive-release tabs (2)