A.2 Before you proceed Asus prime Asus M3A78-EM

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A-2

Appendix

ATI

®

 Hybrid CrossFireX™

The motherboard supports the ATI

®

 Hybrid CrossFire™ technology that allows you 

to install multi-graphics processing units (GPU) CrossFireX cards. 

A.1.

System.requirements

Before using ATI Hybrid CrossFireX, ensure that your system meets the following 

basic requirements: 
Operating.System:.Windows

®

 Vista

Memory.capacity:. Minimum 1GB 
CPU:. AM2+
On-board.graphics.card.RAM: 256MB

Add-on.GPU:.HD2400 PRO/HD2400 XT/HD3450/HD3470 

We recommend that you use a graphics card with an HD2400 PRO GPU.

A.2.

Before.you.proceed

Configure the BIOS settings for the graphics card to support ATI Hybrid 

CrossFireX.

To set Internal Graphics: 

1.   Press <Del> during the Power-On-Self-Test (POST) to enter the BIOS Setup 

utility. 

2.   Select Advanced > Chipset > Internal.Graphics, set the UMA.Frame.

Buffer.Size to [256M], and set the Surround.View to [Enabled].

3.   Press <F10> to save the changes and exit BIOS settings. Select OK to 

confirm. 

Internal Graphics

Primary Video Controller     [GFX0-GPP-IGFX-PCI]

UMA Frame Buffer Size   

[256M]

Surround View 

 

[Enabled]

GFX0-GPP-IGFX-PCI

GPP-GFX0-IGFX-PCI

PCI-GFX0-GPP-IGFX

IGFX-GFX0-GPP-PCI