Removing Or Installing An Expansion Card - HP dx2420 - Microtower PC Hardware Reference Manual

Removing or Installing an Expansion Card

The computer has one standard PCI expansion slot that can accommodate an expansion card up to
17.46 cm (6.875 inches) in length. The computer also has two PCI Express x1 expansion slots and one
PCI Express x16 expansion slot.
Figure 2-8
Table 2-2 Expansion Slot Locations
Item
1
2
3
4
NOTE: You can install a PCI Express x1, x4, x8, or x16 expansion card in the PCI Express x16
expansion slot.
To remove, replace, or add an expansion card:
1. Remove/disengage any security devices that prohibit opening the computer.
2. Remove all removable media, such as diskettes or compact discs, from the computer.
3. Turn off the computer properly through the operating system, then turn off any external devices.
4. Disconnect the power cord from the power outlet and disconnect any external devices.
CAUTION:
long as the system is plugged into an active AC outlet. You must disconnect the power cord to
avoid damage to the internal components of the computer.
18 Chapter 2 Hardware Upgrades
Expansion Slot Locations
Description
PCI expansion slot
PCI Express x1 expansion slot
PCI Express x1 expansion slot
PCI Express x16 expansion slot
Regardless of the power-on state, voltage is always present on the system board as
ENWW