HP dc7900 - Convertible Minitower PC User Manual

Expansion Cards
The computer has three standard full-height PCI expansion slots, one PCI Express x1 expansion slot,
one PCI Express x16 expansion slot, and one PCI Express x16 expansion slot that is downshifted to a
x4 slot.
Figure 7-14 Expansion Slot Locations
Table 7-2 Expansion Slot Locations
Item Description
1 PCI Express x16 expansion slot
2 PCI Express x16 expansion slot that is
downshifted to a x4 slot
3 PCI Express x1 expansion slot
4 PCI expansion slot
5 PCI expansion slot
6 PCI expansion slot
NOTE: You can install a PCI Express x1, x8, or x16 expansion card in the PCI Express x16 slots.
For dual graphics card configurations, the first (primary) card must be installed in the PCI Express x16
slot that is NOT downshifted to a x4 slot.
To remove, replace, or add an expansion card:
1. Prepare the computer for disassembly (
Preparation for Disassembly on page 63).
2. Remove the computer access panel (
Computer Access Panel on page 70).
3. Locate the correct vacant expansion socket on the system board and the corresponding expansion
slot on the back of the computer chassis.
Expansion Cards 79

HP dc7900 - Convertible Minitower PC Specifications

General

Chipset	Intel Q45 Express
Memory	Up to 16 GB DDR2 SDRAM
Audio	Integrated High Definition Audio
Form Factor	Convertible Minitower
Processor	Intel Core 2 Duo, Core 2 Quad, Pentium Dual-Core
Storage	SATA Hard Drives
Graphics	Intel Graphics Media Accelerator 4500, optional discrete graphics
Optical Drive	DVD-ROM, DVD+/-RW
Network	Integrated Intel Gigabit Network Connection
Ports	USB 2.0, serial, parallel, audio in/out
Expansion Slots	PCI, PCIe x1, PCIe x16
Operating System	Windows Vista, Windows 7