ASRock Fatal1ty 990FX Professional - Manual (Page 22)

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Fatal1ty 990FX Professional Series Motherboard
2.6 CrossFireX TM , 3-Way CrossFireX TM and Quad CrossFireX TM
Operation Guide
This motherboard supports CrossFireX TM , 3-way CrossFireX TM and Quad
CrossFireX TM feature. CrossFireX TM technology offers the most advantageous
means available of combining multiple high performance Graphics Processing
Units (GPU) in a single PC. Combining a range of different operating modes with
intelligent software design and an innovative interconnect mechanism, CrossFireX TM
enables the highest possible level of performance and image quality in any 3D
application. Currently CrossFireX TM feature is supported with Windows ® XP with
Service Pack 2 / Vista TM / 7 OS. 3-way CrossFireX TM and Quad CrossFireX TM feature
are supported with Windows ® Vista TM / 7 OS only. Please check AMD website for
AMD TM CrossFireX TM driver updates.
2.6.1 Graphics Card Setup
2.6.1.1 Installing Two CrossFireX TM -Ready Graphics
Cards
Different CrossFireX TM cards may require different methods to enable CrossFi-
reX TM feature. In below procedures, we use Radeon HD 3870 as the example
graphics card. For other CrossFireX TM cards that AMD TM has released or will
release in the future, please refer to AMD TM 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.
1. If a customer incorrectly configures their system they will not see the
performance benefi ts of CrossFireX TM . All three CrossFireX TM components, a
CrossFireX TM Ready graphics card, a CrossFireX TM Ready motherboard and a
CrossFireX TM Edition co-processor graphics card, must be installed correctly
to benefi t from the CrossFireX TM multi-GPU platform.
2. If you pair a 12-pipe CrossFireX TM Edition card with a 16-pipe card, both
cards will operate as 12-pipe cards while in CrossFireX TM mode.
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