HP dx2390 Hardware Reference Guide - dx2390 Microtower Model - Page 24

Removing or Installing an Expansion Card

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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 Expansion Slot Locations Table 2-2 Expansion Slot Locations Item Description 1 PCI expansion slot 2 PCI Express x1 expansion slot 3 PCI Express x1 expansion slot 4 PCI Express x16 expansion slot 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: Regardless of the power-on state, voltage is always present on the system board as 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

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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
Expansion Slot Locations
Table 2-2
Expansion Slot Locations
Item
Description
1
PCI expansion slot
2
PCI Express x1 expansion slot
3
PCI Express x1 expansion slot
4
PCI Express x16 expansion slot
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:
Regardless of the power-on state, voltage is always present on the system board as
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