Asus M3A78 Pro - Manual (Page 112)

3-18 Chapter 3: Software support
3.4 ATI ® Hybrid CrossFireX™
The motherboard supports the ATI ® Hybrid CrossFire™ technology that allows you
to install multi-graphics processing units (GPU) CrossFireX cards.
3.4.1 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.
3.4.2 Before you proceed
Configure the BIOS settings for the graphics card to support ATI Hybrid
CrossFireX.
To set Internal Graphics
1. Press during the Power-On-Self-Test (POST) to enter the BIOS Setup
utility.
2. Select Advanced > Chipset > Internal Graphics Configuration, set UMA
Frame Buffer Size to [256M], and set Surround View to [Enabled].
3. Press to save the changes and exit BIOS settings. Select OK to
confirm.
Advanced
Internal Graphics Configuration
UMA Frame Buffer Size [256MB]
GFX Engine Clock Override [Disable]
Surround View [Enabled]
NB Azalia [Enable]
Options
Auto
32MB
64MB
128MB
256MB
512MB