Hardware Installation - 20 -
(Note 1) The bridge connectors may be needed or not depending on your graphics cards.
(Note 2) When installing two or above graphics cards, please connect the power cables from the power
supply to the PCIE_12V_1 and PCIE_12V_2 connectors, or system instability may occur.
1-7 Setting up ATI CrossFireX
™
/NVIDIA SLI Conguration
A. System Requirements
- The 2-Way CrossFireX/SLI technology currently supports Windows XP, Windows Vista, and Windows 7 operating systems
- The 3-Way/4-Way CrossFireX/SLI technology currently supports Windows Vista and Windows 7 operating systems only
- A CrossFireX/SLI-supported motherboard with two/three/four PCI Express x16 slots and correct driver
- Two/three/four CrossFireX/SLI-ready graphics cards of identical brand and chip and correct driver
(Current ATI GPUs that support 3-Way/4-Way CrossFireX technology include the Radeon HD 3800 series, Radeon HD 4800
and Radeon HD 5800 series. Current NVIDIA GPUs that support 3-Way SLI technology include the 8800 GTX, 8800 Ultra,
9800 GTX, GTX 260 and GTX 280. Current NVIDIA GPUs that support 4-Way SLI technology include the GTX 285.)
- CrossFireX
(Note 1)
/SLI bridge connector(s)
- Apowersupplywithsufcientpowerisrecommended
(Note 2)
(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/four CrossFireX/SLI-ready graphics cards on
thePCIExpressx16slots.Thefollowing tableshowstherecommendedCrossFireX/SLIcongurationswithtwo/three/four
cards.
Step 2:
Insert the CrossFire
(Note)
/SLI bridge connector(s) in the CrossFireX/SLI gold edge connectors on top of the two/three/four
cards.(Tosetupa4-WaySLIconguration,installthe4-WaySLIbridgeconnector.Notethedirectionofthebridgeconnector
when installing. Both of the two gold edge connectors on top of the graphics cards in the PCIEX16_2 and PCIEX16_4 slots
need to be inserted with the bridge connector to ensure correct 4-Way SLI operation.)
Step 3:
Plug the display cable into the graphics card on the PCIEX16_1 slot.
Recommended2/3/4-WayCrossFireX/SLICongurations:
PCIEX16_1 PCIEX16_2 PCIEX16_3 PCIEX16_4 PCIEX8_1 PCIEX8_2 PCIEX8_3
a
- -
a
- - - - - - - -
a
a
a
- - - - - - - -
a
a
a
a
- - - - - -
2-Way
3-Way
4-Way