Front-Panel Inserts; Expansion Cards - Dell Precision 220 Service Manual

Front-Panel Inserts

Figure 5. 5.25-Inch Front-Panel Insert Removal
To remove a 5.25-inch front-panel insert, perform the following steps:
1. Position the computer top cover upside down, with the front facing you.
2. From the front of the top cover, use your thumbs to press inward on the insert until it snaps free of the cover.
To replace a 5.25-inch front-panel insert, position the two ring-tabs over the posts on the inside of the bay opening, and then press the ring tabs
over the posts.

Expansion Cards

The system accommodates up to six expansion cards, including up to five 32-bit Peripheral Component Interconnect (PCI) expansion cards and
one 32-bit accelerated graphics port (AGP) card. (See
NOTE: Before disconnecting a peripheral from the system or removing a component from the system board, disconnect the power
cable and verify that the standby power LED on the system board is off. For the location of this LED, see Figure 21.
Figure 6. Expansion Cards
1 Externally accessible drive bays
2 Hard-disk drive bracket
3 DC power cable
4 Drive data cable
5 System board
6 Expansion card slots
7 Padlock ring
8 I/O panel connectors
9 Security cable slot
10 AC power receptacle
11 Power supply
1 5.25-inch front-panel insert
2 Ring tabs (2)
3 Posts (2)
Figure 6 for examples of these cards.)