1-7
Setup of ATI CrossFireX
A. System Requirements
- The 2-Way SLI and 2-Way CrossFireX technologies currently support Windows 7, Vista, XP operating systems
- The 3-Way SLI and 3-Way CrossFireX technologies currently support Windows 7 and Vista operating systems
- A CrossFireX/SLI-supported motherboard with two/three PCI Express x16 slots and correct driver
- Two/three CrossFireX/SLI-ready graphics cards of identical brand and chip and correct driver
(Current NVIDIA GPUs that support 3-Way SLI technology include the 8800 GTX, 8800 Ultra, 9800 GTX, GTX 260 and
GTX 280. Current ATI GPUs that support 3-Way CrossFireX technology include the Radeon HD 3800, 4800, and 5800 series)
- One/two CrossFire
(Note)
- 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 "1-6 Installing an Expansion Card" and install two/three CrossFireX/SLI graphics cards on the PCI Ex-
press x16 slots. (To set up a 2-Way configuration, we recommend installing the graphics cards on the PCIEX16_1 and
PCIEX16_2 slots. )
Step 2:
Insert the CrossFire
/SLI bridge connectors in the CrossFireX/SLI gold edge connectors on top of the two/three cards.
(Note )
Step 3:
Plug the display cable into the graphics card on the PCIEX16_1 slot.
C. Configuring the Graphics Card Driver
C-1. To Enable CrossFireX Function
C-2. To Enable SLI Function
(Note) The bridge connectors may be needed or not depending on your graphics cards.
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 CrossFireX/SLI technology.
Hardware Installation
/SLI bridge connectors
For 2-Way CrossFireX:
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.
For 2-Way/3-Way SLI:
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 the SLI con-
figuration and Physx is enabled.
/NVIDIA SLI Configuration
™
- 20 -
For 3-Way CrossFireX:
After installing the graph-
i c s c a r d d r i v e r i n t h e
operating system, go to
the Catalyst Control
Center. Browse to the
CrossFireX menu, select
the Enable CrossFireX
check box, and select the
3 GPUs combination.
Click OK to apply.
™