Hardware Installation- 19 -
1-6 Enabling the NVIDIA Hybrid SLI Function
The NVIDIA
®
Hybrid SLI
®
technology delivers multi-GPU (graphics processing unit) benefits when an
NVIDIA motherboard GPU is combined with an NVIDIA discrete GPU. This section gives instructions on
configuring an NVIDIA Hybrid SLI system.
A. System Requirements:
• Hybrid SLI-enabled motherboard and graphics card (Go to NVIDIA's website for a full list.)
• At least 2 GB of system memory
• Windows Vista operating system
• Latest NVIDIA graphics driver
• System BIOS that has Hybrid SLI enabled
B. Enabling Hybrid SLI:
1. BIOS Setup:
Enter BIOS Setup to set the following items under the Advanced BIOS Features menu:
• Set Hybrid SLI to Auto.
• Set Onboard GPU to Always Enable.
• Set iGPU Frame Buffer Control to Manual.
• Set Frame Buffer Size to 256MB or 512MB.
(Refer to Chapter 2, "BIOS Setup", "Advanced BIOS Features", for more information.)
2. Driver Installation:
Insert the motherboard driver disk and select Installing Chipset Drivers. Click Xpress Install for
installation. Restart your system when completed.
• It is recommended that the Hybrid SLI-ready graphics card be installed after the motherboard
driver installation. Restart your system after installing the graphics card. The system will
detect the card and enable Hybrid SLI automatically.
• You do not have to install the graphics card driver if the motherboard chipset driver has
been installed.
C. The Hybrid SLI Interface:
1. Hybrid SLI Mode Confirmation:
The Hybrid SLI icon appears in the notification area after the
system restarts. Pause your mouse over the icon to see the current
mode of the system. (Boost Performance means the Hybrid SLI is
enabled.)
2. Options for Hybrid SLI Mode:
Click the Hybrid SLI icon to show this dialog box.
• Choose Additional displays if you want to disable Hybrid SLI.
This makes motherboard GPU and graphics card operate inde-
pendently to support multiple displays.
• Under Save Power mode, all discrete NVIDIA GPUs are pow-
ered off for reduced power consumption and temperature,
quieter operation. Only the motherboard GPU renders and
display. (Hybrid SLI icon from to )
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