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.

PhoenixBIOS Setup Utility

 

Information

Main

Security

Boot

Power

Exit

 

 

 

 

 

 

 

C State Configuration

[Auto]

C1E Configuration

[Auto]

CPU Throttle :

[Disabled]

CPU Spread Spectrum : [0.50% H.Kiss Up]

iGPU Spread Spectrum : [2.00% Triangular Center]

SATA Spread Spectrum : [Triangular Down]

SATA Spread Spectrum : [Triangular Down]

PState Configuration

[Enabled]

USB CSC Resume

[Disabled]

DIPM

[Disabled]

HIPM

[Enabled]

PCI Clocks :

[Enabled]

AltVid

[Disabled]

Power Saver

 

ASPM (L0s/L1)

[Enabled]

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 Help

Select Item

F5/F6

Change Values

F9 Setup Defaults

Esc Exit

Select Menu

Enter

Select

Sub-Menu

F10 Save and Exit

 

 

 

 

 

 

 

 

 

 

 

 

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

Disabled or Enabled

 

CPU speed and performance.

 

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

Disabled or Enabled

 

management on the hard disk.

 

HIPM

 

Enabled or Disabled

 

 

 

Chapter 2

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Acer 4220G, 4520G manual Power, Dipm, Hipm

4220G, 4220, 4520G specifications

The Acer 4520G, 4220, and 4220G laptops are part of Acer’s previously popular Aspire series, known for delivering dependable performance and a range of features suitable for both casual users and professionals. Despite being older models, they still possess characteristics that can meet the demands of various computing needs.

First and foremost, these laptops are powered by AMD Turion 64 X2 processors, which provide a dual-core architecture, enabling them to handle multitasking effectively. This feature is particularly beneficial for users who engage in simultaneous applications, such as web browsing while streaming videos or editing documents. The efficient CPU performance ensures that the laptops maintain responsiveness during operation.

A notable advancement in the 4520G variant is the inclusion of a dedicated NVIDIA GeForce 8400M GS graphics card. This feature significantly enhances the graphical performance, making it suitable for light gaming and graphic-intensive applications. The integrated graphics in the 4220 and 4220G models, while adequate for everyday tasks, do not support demanding graphics as effectively.

Memory configurations for these models typically offer up to 4GB of RAM, which allows for smooth operation of everyday software and moderate gaming. Also, the inclusion of a 15.4-inch screen with a resolution of 1280x800 pixels provides a decent viewing experience suitable for both work and media consumption.

Storage options generally include a 120GB to 250GB hard drive, providing ample space for documents, applications, and media files. The laptops feature DVD-RW drives, enabling users to read and write CDs and DVDs, which is advantageous for data backup and media creation.

Connectivity options are also well-equipped, including several USB ports, HDMI output, and an Ethernet port for reliable internet connections. Wireless connectivity options, like Wi-Fi and Bluetooth, ensure that users can connect easily to networks and devices.

In terms of build, these laptops feature a sturdy design that, although bulkier than contemporary models, offers durability. The keyboard layout is comfortable for typing, and the touchpad provides decent responsiveness.

Overall, the Acer 4520G, 4220, and 4220G laptops present a blend of performance, reliability, and essential features. While they may not compete with the latest technology, they can still serve users who need a functional laptop for basic computing tasks.