MSI Z77A-GD55 series User Manual page 30

Gettng Started
AMD CrossFre™ (Mult-GPU) Technology
AMD CrossFre™ s a mult-GPU performance gamng platform. By lnkng together
two or more dscrete GPUs, CrossFre™ can sgnficant mprove system graphcs
performance. It allows the ablty to scale a system's graphcs power as needed, makng t
the most scalable gamng platform. Ths manboard wll automatcally detect CrossFre™
technology and make changes n the BIOS as needed. Follow the nstructons below to
ensure a successful two-way CrossFre™ nstallaton.
Install two AMD Radeon™ HD graphcs cards nto the PCI_E2 & PCI_E5 expanson
1.
slots.
2. Wth the two cards nstalled, two CrossFre™ Vdeo Lnk cable are requred to
connect the graphcs cards. Attach one sde of the cable on each of the cards
by way of the metal contacts (please refer to the pcture below). Please note that
although two graphcs cards have been nstalled, only the dsplay ports on the
graphcs card nstalled n the first PCIe x16 slot wll work. All dsplays should be
connected to ths graphcs card.
Important
• Please ensure that all graphcs cards used n CrossFre™ mode are of the same
brand and specficatons. For best compatblty wth the manboard, MSI graphcs
cards are recommended.
• Make sure to connect an adequate power supply to the power connectors on the
graphcs cards to ensure stable operaton.
Only Wndows
•
Edton & Wndows™ 7 wll support CrossFre™ mode.
1-20
XP wth Servce Pack 2 (SP2), Wndows™ XP Professonal x64
®
CrossFre Vdeo Lnk cable
TM