[H]ard|OCP put a lot of effort into pushing the Foxconn C51XEM2AA to the fastest FSB they could.  While it can reach 250, it was far from stable, and while not an amazing overclock, when you consider this is a brand new chipset, it speaks well of the potential for the nForce 590 as it matures.
“The C51XEM2AA-8EKRS2H is Foxconn’s entry in to the Athlon64 socket AM2 world. The board uses the NVIDIA nForce 590 SLI chipset, with the following support built-in: all Athlon64 socket AM2 type processors, DDR2 style DRAM modules operating in Dual Channel mode at speeds up to 800MHz officially, and dual NVIDIA PCI Express x16 video cards operating at full x16 SLI mode. As is common, the C51XEM2AA is feature complete, needing only a minimal amount of components to be fully operational including an Athlon64 socket AM2 type CPU, DDR2 memory, drives, and a PSU. Foxconn included the following integrated components in the C51XEM2AA’s design: 1 IDE ATA-133 ports and 6 SATA II ports (RAID 0, 1, 0+1, and 5); 10 USB 2.0 capable ports (6 in rear panel, and 2 onboard header supporting 2 ports each); 3 IEEE 1394 ports (2 in rear panel, and 1 onboard header supporting 1 port each); 2 NIVIDA Gigabit Ethernet ports in rear panel; Realtek 8-channel High Definition audio codec featuring S/PDIF optical output port; onboard 2-digit diagnostic LED display; power and reset buttons; and PS/2 port support in the rear panel.”

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