2.6 CrossFireXTM, 3-Way CrossFireXTM and Quad CrossFireXTM Operation Guide
This motherboard supports CrossFireXTM, 3-way CrossFireXTM and Quad CrossFireXTM feature. CrossFireXTM technology offers the most advantageous means available of combining multiple high performance Graphics Processing Units (GPU) in a single PC. Combining a range of dif ferent operating modes with intelligent software design and an innovative interconnect mechanism, CrossFireXTM enables the highest possible level of performance and image quality in any 3D application. Currently CrossFireXTM feature is supported with Windows® XP with Service Pack 2 / VistaTM / 7 OS. 3-way CrossFireXTM and Quad CrossFireXTM feature are supported with Windows ® VistaTM / 7 OS only . Please check AMD website for AMDTM CrossFireXTM driver updates.
1.If a customer incorrectly configures their system they will not see the performance benef ts of CrossFireXTM. All three CrossFireXTM components, a CrossFireXTM Ready graphics card, a CrossFireXTM Ready motherboard and a CrossFireXTM Edition co-processor graphics card, must be installed correctly to benef t from the CrossFireXTM multi-GPU platform.
2.If you pair a 12-pipe CrossFireXTM Edition card with a 16-pipe card, both cards will operate as 12-pipe cards while in CrossFireXTM mode.
2.6.1Graphics Card Setup
2.6.1.1 Installing Two CrossFireXTM-Ready Graphics Cards
Different CrossFireXTM cards may require dif ferent methods to enable CrossFi- reXTM feature. In the following procedures, we use Radeon HD 3870 as the exam- ple graphics card. For other CrossFireX TM cards that AMDTM has released or will release in the future, please refer to AMDTM graphics card manuals for detailed installation guide.
Step 1. Insert one Radeon graphics card into PCIE2 slot and the other Radeon graphics card to PCIE4 slot. Make sure that the cards are properly seated on the slots.
