ASRock Z87 OC Formula manual Installing Two CrossFireXTM-Ready Graphics Cards, CrossFire Bridge

Z87 OC Formula/ac / Z87 OC Formula

2.13CrossFireXTM, 3-Way CrossFireXTM and Quad CrossFireXTM Operation Guide

This motherboard supports CrossFireXTM, 3-way CrossFireXTM and Quad CrossFireXTM that allows you to install up to three identical PCI Express x16 graphics cards. Currently CrossFireXTM, 3-way CrossFireXTM and Quad CrossFireXTM are supported with Windows® 7 / 7 64-bit / 8 / 8 64-bit OS.

1.You should only use identical CrossFireXTM-ready graphics cards that are AMD certified.

2.Make sure that your graphics card driver supports AMD CrossFireXTM technology. Download the drivers from the AMD’s website: www.amd.com

3.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 certified PSU. Please refer to the AMD’s website for details.

4.If you pair a 12-pipe CrossFireXTM Edition card with a 16-pipe card, both cards will oper- ate as 12-pipe cards while in CrossFireXTM mode.

5.Different CrossFireXTM cards may require different methods to enable CrossFireXTM. Please refer to AMD graphics card manuals for detailed installation guide.

2.13.1 Installing Two CrossFireXTM-Ready Graphics Cards

Step 1

Insert one graphics card into PCIE1 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 installing
CrossFire Bridge	a CrossFire Bridge on the CrossFire 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.)

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