Gigabyte GA-M750SLI-DS4 User Manual page 20

B. Connecting Two Graphics Cards:
C. Configuring the Graphics Card Driver:
After installing graphics card driver in operating
system, go to the NVIDIA Control Panel. Browse to
the SLI configuration screen. Ensure SLI mode is
enabled. (The SLI configuration screen may differ by
driver version.)
Procedure for enabling SLI technology may slightly differ by graphics cards. Refer to the
manual that came with your graphics cards for more information about enabling SLI technology.
GA-M750SLI-DS4 Motherboard
Step 1:
Observe the steps in "1-5 Installing an Expansion Card" and
install two SLI-ready graphics cards of the same model on the
PCIEX16_1 and PCIEX8_1 slots.
Step 2:
Insert the SLI bridge (the GC-DGBR2-RH) in the SLI gold edge
connectors on top of both cards. Make sure the two mini female
slots on the bridge connector securely fit onto the SLI gold edge
connetors of both cards.
Female slots on the bridge connector
Step 4:
Plug the display cable into the graphics card on the PCIEX16_1
slot. (Note: To enable the SLI function, you must plug the display
cable into the graphics card on the PCIEX16_1 slot.)
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Gold edge connector on the top of
the graphics card