Gigabyte GA-P67A-UD4, User Manual, Page: 19 / 120

- 19 - Hardware Installation
1-6 Setting up ATI CrossFireX
™
/NVIDIA SLI Configuration
A. System Requirements
- Windows 7, Windows Vista or Windows XP operating system
- A CrossFireX/SLI-supported motherboard with two PCI Express x16 slots and correct driver
- Two CrossFireX/SLI-ready graphics cards of identical brand and chip and correct driver
- One CrossFire
(Note)
/SLI bridge connector
- A power supply with sufficient power is recommended (Refer to the manual of your graphics cards for
the power requirement)
B. Connecting the Graphics Cards
Step 1:
Observe the steps in "1-5 Installing an Expansion Card" and install two CrossFireX/SLI graphics cards on the
PCI Express x16 slots.
Step 2:
Insert the CrossFire
(Note)
/SLI bridge connector in the CrossFireX/SLI gold edge connectors on top of the two
cards.
Step 3:
Plug the display cable into the graphics card on the PCIEX16 slot.
C. Configuring the Graphics Card Driver
C-1. To Enable CrossFireX Function
After installing the graphics card driver in the operating system, go to
the Catalyst Control Center . Browse to the CrossFireX menu and
ensure the Enable CrossFireX
™
check box is selected.
Procedure and driver screen for enabling CrossFireX/SLI technology may differ by graphics cards.
Refer to the manual that came with your graphics cards for more information about enabling Cross-
FireX/SLI technology.
C-2. To Enable SLI Function
After installing the graphics card driver in the operating system, go
to the
NVIDIA Control Panel . Browse to the Set SLI and Physx
Configuration screen and ensure Maximize 3D performance is
enabled.
(Note) The bridge connector may be needed or not depending on your graphics cards.