Power

The Power screen allows the user to configure various CPU and power management options and device wakeup behavior.

The table below describes the items, menus, and submenus in this screen. Settings in boldface are the default and suggested parameter settings.

PhoenixBIOS Setup Utility Information Main Advanced Security Boot Power Exit Item Specific Help

C1E Configuration

[Auto] Enable or Disable CPU Throttle: [Disabled] C1E Dual-Core related CPU Spread Spectrum: [Enabled] CPU power State. iGPU Spread Spectrum: [3.00% Triangular Centre] PCIE Spread Spectrum: [Disabled] Auto enables C1E SATA Spread Spectrum: [Linear Down] if dual core is PState Configuration [Enabled] detected and disables USB CSC Resume [Disabled] C1E if single core DIPM [Disabled] is detected. HIPM [Disabled] SATA FPCI Clock: [133Mhz] SATA Low Power [SALP OFF] PCI Clocks: [Enabled] AltVid [Disabled] ASPM (L0s/L1s) [Disabled] PCIE Lane Swizzle: [Disabled]

F1 Help ↑↓ Select Item F5/F6 Change Values F9 Setup Defaults ESC Exit ←→ Select Menu Enter Select Sub-Menu F10 Save and Exit

Parameter Description Option

C1E Configuration Enable or Disable C1E Dual-Core related CPU power State. Auto, Griffin Mode or Disabled

CPU Throttle Enable or disable CPU Throttle.

Disabled or Enabled CPU Spread Spectrum Enable or disable CPU Spread Spectrum. Disabled or Enabled iGPU Spread Spectrum Set the iGPU Spread Spectrum percentage. 1.00%, 2.00%, 3.00%, 4.00%, 5.00% or Disabled PCIE Spread Spectrum Enable or disable PCIE Spread Spectrum. Disabled or Enabled SATA Spread Spectrum Enable or disable SATA Spread Spectrum. Linear Down or Disabled PState Configuration Enable or disable ACPI PState Support Enabled or Disabled USB CSC Resume Enable or disable wake up from S3 by USB plug or unplug. Disabled or Enabled Cannot_Find_String Enable or disable the Cannot_Find_String message during boot. Disabled or Enabled HIPM Enable or disable Aggressive Link Power Management (HIPM). Disabled or Enabled SATA FPCI Clock Set the SATA low power control level. 133 MHz or 200 MHz SATA Low Power Set SATA low power control type. SALP Off, Partial on, Slumber on or SALP On

Parameter

Description

PCI Clocks Enable all PCI clocks or lock down all PCI clocks to Port 80.

Option

Enabled or Auto

AltVid Enable or disable AltVid functionality. Disabled or Enabled ASPM (L0s/L1s) Enable or disable Active State Power Management (ASPM) states for L0s and L1. Disabled or Enabled PCIE Lane Swizzle Enable or disable PCIE Lane Swizzle for PCIE x 16 slot. Disabled or Enabled