Gigabyte GA-MA790XT-UD4P, Руководство пользователя, Страница: 19 / 112

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 CrossFire X, 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 CrossFire.)
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 PCIEX8_1 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).