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OCModShop has posted an article on the NVIDIA nForce Professional chipset



The nForce Professional 2200 MCP chip communicates directly with the Opteron via the HyperTransport link which currently operates at 800MHz. There is flexible PCI-Express which has 4 controllers and 40 lanes. This chipset has integrated gigabit Ethernet, 4 SATA 3Gb/s, 4 ATA-133, NVIDIA RAID, and Native Command-Queuing. There are also 10 USB ports available and PCI 2.3 if the motherboard manufacturer wants to include it. The nForce Professional 2050 is a I/O companion chip for the nForce Processional 2200 MCP. This chip is sort of like a traditional southbridge would by handling I/O functions. Each 2050 chip provides additional I/O capability by adding 4 controllers and 20 lanes to the PCI-Express bus. It also adds another gigabit Ethernet port, and 4 more SATA 3Gb/s.
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