Asus P5NSLI Motherboard Installation Guide - Page 74

Spread Spectrum Control This sub-menu allows you to set the CPU, PCI Express, Serial ATA, and Lightning Data Transport (LDT) clock generator spread spectrum. The spread spectrum is used to dynamically change the system frequency to minimize problems with electromagnetic interference (EMI). Set the AI Tuning to [Manual], if you want to configure this item. Advanced Phoenix-Award BIOS CMOS Setup Utility Spread Spectrum Control CPU Spread Spectrum PCIE Spread Spectrum LDT Spread Spectrum [Disabled] [Down Spread] [Center Spread] Select Menu Item Specific Help Press [Enter] to set. F1:Help ESC: Exit ↑↓ : Select Item →←: Select Menu -/+: Change Value Enter: Select Sub-menu F5: Setup Defaults F10: Save and Exit CPU Spread Spectrum [Center Spread] Disables or sets the CPU clock generator spread spectrum. The default setting [Center Spread] allows a dynamic CPU frequency change of ‑0.25% to +0.25%. The [Down Spread] setting allows a dynamic CPU frequency change of -0.5% to 0.0%. Setting to [0.5%++ Spread] allows dynamic frequency changes from ‑0.5% to +0.5%. Configuration options: [Disabled] [Center Spread] [Down Spread] [0.5%++ Spread] PCIE Spread Spectrum [Down Spread] Disables or sets the PCI Express clock generator spread spectrum. The default setting [Down Spread] allows a dynamic PCI Express frequency change of -0.5% to 0.0%. Configuration options: [Disabled] [Down Spread] LDT Spread Spectrum [Center Spread] Disables or sets the Lightning Data Transport (LDT) clock generator spread spectrum. The default setting [Center Spread] allows a dynamic LDT frequency change of ‑0.25% to +0.25%. Configuration options: [Disabled] [Center Spread] [Down Spread] 2-24 Chapter 2: BIOS setup