nVIDIA 780i Three Way SLI
Posted by Augusto Triste on December 31st, 2007nVIDIA has just launched the new nForce 780i, this one targeting Intel processors and supporting; Intel Socket LGA775 Full support for Intel Penryn 45nm (Yorkfield & Wolfdale), Core 2 Extreme, Core 2 Quad, Core 2 Duo, Pentium this new motherboard has full support to three-way SLI technology.
The nForce 780i SLI supports Intel’s one-, two- and four-core desktop processors on a frontside bus (FSB) clocked at between 533MHz and 1333MHz for the latest models. The chipset hooks the CPU up to two channels of DDR 2 memory running at up to 1200MHz but only works if the memory is certified to Nvidia’s Extended Performance Profile (EPP), otherwise it’ll be clocked at up to 800MHz. The chipset has 62 PCI Express (PCIe) lanes at its disposal, so it’s capable of scalable host up to three x16 connectors, though interestingly only two are PCIe 2.0 compatible - the third is plain old PCIe 1.0. Motherboards based on the 780i can also offer up to five PCI slots.
Three-way SLI technology allows users to connect up to three GeForce 8800 Ultra or 8800 GTX graphics cards - both older, 80nm parts rather than shiny new 65nm ‘G92′ unfortunately chips like the 8800 GT and the new 512MB 8800 GTS are not supported yet. Motherboards with the new 780i chipset can host up to ten USB 2.0 ports, two Gigabit Ethernet connectors, two parallel ATA drives and six 3Gb/s SATA drives.
Nvidia also introduced the crippled 750i SLI, a motherboard designed to support only two simultaneously connected graphics cards via its 26 PCIe lanes, like the old 680i SLI. It too supports a 1333MHZ FSB, but the DDR 2 memory link is limited to 800MHz rather then 1200MHz.
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