ASRock 990FX Extreme4 manual Slitm and Quad Slitm Operation Guide, Requirements

2.5 SLITM and Quad SLITM Operation Guide

This motherboard supports NVIDIA® SLITM and Quad SLITM (Scalable Link Interface) technology that allows you to install up to three identical PCI Express x16 graphics cards. Currently, NVIDIA® SLITM technology supports Windows® XP / XP 64-bit / VistaTM / VistaTM 64-bit / 7 / 7 64-bit OS. NVIDIA® Quad SLITM technology support Windows® VistaTM / VistaTM 64-bit / 7 / 7 64-bit OS only. Please follow the installation

procedures in this section.

Requirements

1.For SLITM technology, you should have two identical SLITM-ready graphics cards that are NVIDIA® certified. For Quad SLITM technolo- gy, you should have two identical Quad SLITM-ready graphics cards that are NVIDIA® certified.

2.Make sure that your graphics card driver supports NVIDIA® SLITM 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.

2.5.1Graphics Card Setup

2.5.1.1 Installing Two SLITM-Ready Graphics Cards

Step 1. Install the identical SLITM-ready graphics cards that are NVIDIA® certified because different types of graphics cards will not work together properly. (Even the GPU chips version shall be the same.) Insert one graphics card into PCIE2 slot and the other graphics card to PCIE4 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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