ASRock Z77 WS manual Requirements

2.7 SLITM, 3-Way SLITM, 4-Way SLITM and Quad SLITM Operation Guide

This motherboard supports NVIDIA® SLITM, 3-Way SLITM, 4-Way SLITM and Quad SLITM (Scalable Link Interface) technology that allows you to install up to four 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® 3-Way SLITM, 4-Way SLITM and Quad SLITM technology supports 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 3-Way SLITM technology you should have three, whereas for 4-Way SLITM technology you should have four. For Quad SLITM technology, 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.

2.7.1Graphics Card Setup

2.7.1.1 Installing Two SLITM-Ready Graphics Cards

Step 1. Install identical SLITM-ready graphics cards that are NVIDIA® certified be- cause different types of graphics cards will not work together properly. (Even the GPU chips version shall be the same.) Insert one graphics card into PCIE1 slot and the other graphics card to PCIE5 slot. Make sure that the cards are properly seated on the slots.

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ASRock Z77 WS Motherboard