17
ASRock 990FX Extreme3 Motherboard
English
2.5 SLI
TM
and Quad SLI
TM
Operation Guide
This motherboard supports NVIDIA
®
SLI
TM
and Quad SLI
TM
(Scalable Link Interface)
technology that allows you to install up to three identical PCI Express x16 graphics
cards. Currently,
NVIDIA
®
SLI
TM
technology supports Windows
®
XP / XP 64-bit /
Vista
TM
/ Vista
TM
64-bit / 7 / 7 64-bit OS. NVIDIA
®
Quad SLI
TM
technology supports
Windows
®
Vista
TM
/ Vista
TM
64-bit / 7 / 7 64-bit OS only.
Please follow the installation
procedures in this section.
Requirements
1. For SLI
TM
technology, you should have two identical SLI
TM
-ready
graphics cards that are NVIDIA
®
certified. For Quad SLI
TM
technolo-
gy, you should have two identical Quad SLI
TM
-ready graphics cards
that are NVIDIA
®
certified.
2. Make sure that your graphics card driver supports NVIDIA
®
SLI
TM
technology. Download the driver from NVIDIA
®
website
(www.nvidia.com).
3. Make sure that your power supply unit (PSU) can provide at least
the minimum power required by your system. It is recommended
to use NVIDIA
®
certified PSU. Please refer to NVIDIA
®
website for
details.
2.5.1 Graphics Card Setup
2.5.1.1 Installing Two SLI
TM
-Ready Graphics Cards
Step 1. Install the identical SLI
TM
-ready graphics cards that are NVIDIA
®
certified
because different types of graphics cards will not work together properly.
(Even the GPU chips version should be the same.) Insert one graphics
card into the PCIE2 slot and the other graphics card to the PCIE3 slot.
Make sure that the cards are properly seated on the slots.
Step2. If required, connect the auxiliary power source to the PCI Express
graphics cards.
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