ASROCK FM2A78 PRO4+ User Manual download pdf (Page 31)

2.7 CrossFireX

and Quad CrossFireX

Operation Guide

This motherboard supports CrossFireX

and Quad CrossFireX

that allows

you to install up to two identical PCI Express x16 graphics cards. Currently

CrossFireX

and Quad CrossFireX

are supported with Windows

7 / 7

64-bit / 8 / 8 64-bit OS.

2.7.1 Installing Two CrossFireX

-Ready Graphics Cards

Step 1

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.

Step 2

Connect two graphics cards by install-

ing a CrossFire Bridge on the Cross-

Fire Bridge Interconnects on the top

of the graphics cards. (The CrossFire

Bridge is provided with the graphics

card you purchase, not bundled with

this motherboard. Please refer to your

graphics card vendor for details.)

You should only use identical CrossFireX

-ready graphics cards that are



Make sure that your graphics card driver supports AMD CrossFireX

technology. Download the drivers from the AMD’s website: www.amd.com

Make sure that your power supply unit (PSU) can provide at least the

minimum power your system requires. It is recommended to use a AMD



If you pair a 12-pipe CrossFireX

Edition card with a 16-pipe card, both

cards will operate as 12-pipe cards while in CrossFireX

mode.

Different CrossFireX

cards may require different methods to enable

CrossFireX

. Please refer to AMD graphics card manuals for detailed

installation guide.

CrossFire Bridge

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