ASUS announce the self-developed Cross Graphics Impeller (C.G.I.) technology, which provides a significant performance increase over competing Intel P965/ATI CrossFire motherboards without this advanced innovation. C.G.I is now available on the ASUS P5B Deluxe and P5B Deluxe/WiFi-AP motherboards. CrossFire performance optimization offered by C.G.I occurs in Direct Media Interface (DMI) between the P965 Northbridge, which carries one x16 PCI Express slot (x16 PCI Express Lanes) , and ICH8R Southbridge, where another x16 PCI Express slot (x4 PCI Express Lanes) resides. C.G.I streamlines data transfer between the Northbridge and Southbridge, delivering enhanced performance during Crossfire dual-GPU mode. Users of the two ASUS motherboards can upgrade to C.G.I by dowlonding the latest BIOS on the ASUS support website.

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