AM2 Motherboards: ATI RD580

@ 2006/08/21
The RD580 was introduced with great excitement in early March, but the market was still Socket 939 Athlon64 running DDR memory. With the AM2 launch just a few months away, everyone knew ATI had designed RD580 for Socket AM2 and DDR2. In fact many manufacturers skipped producing an RD580 Socket 939 board because the life would be so short. Those manufacturers said they would wait for AM2 to provide RD580 chipset solutions to the market.

RD580 is similar in feature set to the top-line NVIDIA 590SLI chipset. Both support dual X16 GPUs - NVIDIA with SLI and ATI with CrossFire. Both also represent the top-line chipset for each respective manufacturer. Physically the chips differ in ATI RD580 being a low-power single-chip North Bridge and NVIDIA 590SLI using two different chips to each provide an X16 PCIe slot to the architecture. NVIDIA 590SLI provides I/O off the chips that also support the dual X16 PCIe slots. ATI uses a more traditional South Bridge with the RD580 to provide I/O.

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