Acer 4220 Laptop User Manual


 
Chapter 2 49
Power
The Power screen displays a summary of your computer power settings, and also includes advanced setup
parameters. It allows the user to enable and disable the power management options on the computer and
specify standard power parameters for specific components.
The table below describes the parameters in this screen. Settings in boldface are the default and suggested
parameter settings.
Parameter Description Format/Option
C State Configuration
C1E Configuration
CPU Throttle Enables, disables the CPU throttle, to increase
CPU speed and performance.
Disabled or Enabled
CPU Spread Spectrum
iGPU Spread Spectrum
SATA Spread Spectrum
PState Configuration
Enabled or Disabled
USB CSC Resume Enables, disables USB CSC resume.
Disabled or Enabled
DIPM Enables, disables device initiated power
management on the hard disk.
Disabled or Enabled
HIPM
Enabled or Disabled
Information
Item Specific Help
Enable or Disable
C2/C3 CPU power states.
Auto enables C2 and C3
if single core is
detected and disables
C2+C3 if dual
core is detected.
F1
F5/F6
F9 Setup Defaults
Esc Enter Select Sub-Menu F10 Save and Exit
iGPU Spread Spectrum : [2.00% Triangular Center]
SATA Spread Spectrum : [Triangular Down]
PState Configuration [Enabled]
USB CSC Resume [Disabled]
C State Configuration [Auto]
CPU Spread Spectrum : [0.50% H.Kiss Up]
DIPM [Disabled]
HIPM [Enabled]
PCI Clocks : [Enabled]
AltVid [Disabled]
Power Saver
ASPM (L0s/L1) [Enabled]
Help
Exit
Select Item
Select Menu
Change Values
C1E Configuration [Auto]
PhoenixBIOS Setup Utility
Main Security Power ExitBoot
CPU Throttle : [Disabled]
SATA Spread Spectrum : [Triangular Down]