Dell Precision 220 Service Manual page 25

Figure 4. Interior Service Label
Internal View
Figure 5 shows a top view of the mini tower chassis to help you orient yourself when you work inside the computer.
Figure 5. Inside the Mini Tower Chassis
Front-Panel Inserts
Figure 6 shows a front-panel insert on the inside of the front panel.
Figure 6. 5.25-Inch Front-Panel Insert Removal
1 Externally
accessible
drive bays
2 Hard-disk drive
cage
3 Chassis
intrusion switch
4 DC power
cable
5 Drive data
cable
6 AGP card
brace
7 Security cable
slot
8 Sliding padlock
ring
9 Expansion card
slots
10 I/O panel
connectors
11 AC power
receptacle
12 Power supply