User`s manual

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BIOS Setup
Hyper Transport nFocre500 SLI Configuration
NF500 to AM2 (CPU) Freq Auto
[Enabled] Auto Detect HT frequency.
[Disabled] Manual to setting HT frequency.
NF500 to AM2 (CPU) LinkWidth
This item allows you to select the HT width between SB and CPU.
Advanced Chipset Features