Acer Aspire 5520 Service Manual page 61

The table below describes the parameters in this screen. Settings in boldface are the default and suggested
parameter settings.
Parameter
C State Configuration
C1E Configuration
CPU Throttle
CPU Spread Spectrum
iGPU Spread Spectrum
PCIE Spread Spectrum
SATA Spread Spectrum
PState Configuration
USB CSC Resume
DIPM
HIPM
PCI Clocks
Fake Battery Subsystem
AltVid
ASPM (L0s/L1)
Power Saver
Chapter 2
Description
Enables, disables C2/C3 CPU power states. Auto
enables C2 and C3 if a single core is detected and
disables C2+C3 if a dual core is detected.
Enables, disables the C1E power state, which
applies when a dual core is present. Auto enables
C1E only if a dual core is detected.
Enables, disables the CPU throttle, to increase
CPU speed and performance.
Enables, disables the CPU Spread Spectrum
fucntion which allows the user to reduce the EMI of
the front side bus (FSB).
Enables, disable the iGPU Spread Spectrum
function.
Enables, disables the PCIE Spread Spectrum
function.
Enables, disables the SATA Spread Spectrum
funtion.
Enables, disables ACPI Pstate support.
Enables, disables USB CSC resume.
Enables, disables device initiated power
management on the hard disk.
Enables, disables host initiated power
management on the hard disk.
Enables the PCI clock for all devices. Auto enables
the PCI clock for only connected devices.
Enables, disables the Fake Battery Subsytem
feature
Enables, disables the Altvid function, to reduce
processor voltage to the minimal operation level.
Enables, disables the Active State Power
Management (ASPM) states (L0s/L1)
This sub menu displays all power saving options
and settings.
Option
Auto
, Disabled, C2, C3, or C2 + C3
Auto
or Disabled
Disabled
or Enabled
Disabled
, 0.50% H.Kiss Up, 0.50%
H.Kiss Down, 0.75% H.Kiss Up, or
0.75% H.Kiss Up.
Disabled
, 1.00% Triangular Center,
2.00% Triangular Center, or 3.00%
Triangular Center
Disabled
or Triangular Down
Disabled
or Triangular Down
Enabled
or Disabled
Disabled
or Enabled
Disabled
or Enabled
Enabled
or Disabled
Enabled
or Auto
Disabled
or Enabled
Disabled
or Enabled
Enabled
or Disabled
See the following page for a
description of each setting.
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