GIGABYTE GA MA790FXT UD5P - Инструкция по эксплуатации - Страница 19

Hardware Installation

- 19 -

To enable CrossFireX

TM

 technology, you need two graphics cards that support ATI CrossFire

TM 

technology.

Before You Begin--

A. Power Requirements:
Use a power supply that is able to provide sufficient power to fully support an CrossFireX configuration and
other components in your system. We recommend a power supply that provides at least 20A 12V current.
The exact power requirements depend on your overall system configurations.
B. Supported Operating Systems:
Windows Vista and Windows XP.
C. BIOS Settings:
Before configuring your system for CrossFireX, make sure to set 

Init Display First

 under

 Advanced BIOS

Features 

in BIOS Setup to

 PEG 

first. (Start your system with a single PCIe x16 graphics card and then go

to BIOS Setup to set 

Init Display First

 to 

PEG

. Then install the second graphics card to enable CrossFireX.)

1-6

Configuring an ATI CrossFireX

TM

 System

Enabling CrossFireX Mode--

Connecting Two Graphics Cards:
Step 1:
Observe the steps in "1-5  Installing an Expansion Card" and install
the graphics cards in the PCIEX16_1 slot and the PCIEX16_2 slot.

Step 2:
Depending on your graphics cards, install the connecting bridges
on the two cards.

(Note: Procedure for enabling CrossFireX may slightly differ by graphics cards. Refer
to the manual that came with your graphics cards for more information about enabling
CrossFireX.)

Graphics Card Driver Setting:
After installing the graphics card driver in your operating system,
access the 

Catalyst Control Center

. From the CATALYST Con-

trol Center, enter the CrossFire menu and select the 

Enable

CrossFire

 checkbox to complete the configuration.

Step 3:
Connect your LCD monitor cable to the DVI port on the graphics
card on the PCIEX16_1 slot (or connect your D-Sub monitor via a
DVI-to-D-Sub adapter).