Acer Aspire 5220 Service Guide

Chapter 258
Advanced
The Advanced screen displays advanced settings of the BIOS utility.
The table below describes the parameters in this screen. Settings in boldface are the default and suggested 
parameter settings.
ParameterDescriptionOption
USB Self-Healing This sub menu displays all USB self-healing 
options and settings. See the following page 
for a description of each setting.
PCI Hot-Plug Resources Enables, disables support for hot plug devices.
Enabled or Disabled
I/O Sets the number of I/O...

59Chapter 2
USB Self-Healing
The USB Self-Healing screen displays all USB self-healing options and settings.
Integrated Devices
The Integrated Devices screen displays all options and settings for integrated devices.
ParameterDescriptionOption
Self-Healing Enables, disables the USB self-healing 
function.
Disabled or Enabled
OHCI Self-Healing: 
(Open Host Controller Interface - supports USB 1.1 devices)
Duration of Port Reset in MS Sets the port reset duration.
Enter numeric value (Default: 
15)
Reset...

Chapter 260
Memory
The Memory screen displays details and settings for the installed memory in the system.
PhoenixBIOS Setup Utility
    
 
Item Specific Help 
  
Sets the state of the
memory cache.
 
Cache Ram1024  KB
System Memory :634  KB
Cache System BIOS area :[uncached]
Cache Base 0-512k :[uncached] Cache Video BIOS area :[uncached]
Cache Base 0-512k-640k :
[uncached]
Cache Extended Memory Area :[uncached] Extended Memory :784896  KB
Memory Cache :[Enabled] 
Cache A000 - AFFF :[Disabled]
Cache B000...

61Chapter 2
The table below describes the parameters in this screen. Settings in boldface are the default and suggested 
parameter settings.
ParameterDescriptionOption
Cache Ram Displays the total amount of cache RAM.
System Memory Displays the total amount of system memory.
Extended Memory Displays the total amount of extended 
memory.
Memory Cache Enables, disables the memory cache.
Enabled or Disabled
Cache System BIOS area Sets control of system BIOS caching to 
improve system performance.
uncached,...

Chapter 262
Security
The Security screen contains parameters that help safeguard and protect your computer from unauthorized 
use.
PhoenixBIOS Setup Utility
          
 
Item Specific Help 
Supervisor Password Is :
User Password Is : Clear
Set Supervisor Password
Set User Password
  Password on Boot :[Disabled]
 
  
 Supervisor Password
controls access to the
setup utility. It can
be used to boot up when
Password on boot is
enabled. 
 
 
F1  Help    Select Item   F5/F6 Change ValuesF9 Setup Defaults 
Esc...

63Chapter 2
The table below describes the parameters in this screen. Settings in boldface are the default and suggested 
parameter settings.
NOTE: When you are prompted to enter a password, you have three tries before the system halts. Don’t forget 
your password. If you forget your password, you may have to return your notebook computer to your 
dealer to reset it.
Setting a Password
Follow these steps as you set the supervisor, user, or hard disk password:
1.Use the w and y keys to highlight the Set...

Chapter 264
Removing a Password
Follow these steps:
1.Use the w and y keys to highlight the Set Supervisor Password parameter and press the e key. The Set 
Supervisor Password box appears:
2.Type the current password in the Enter Current Password field and press e.
3.Press e twice without typing anything in the Enter New Password and Confirm New Password fields. The 
computer then sets the Supervisor Password parameter to “Clear”.
4.When you have changed the settings, press u to save the changes and exit...

65Chapter 2
If the current password entered does not match the actual current password, the screen will show you the 
Setup Warning.
If the new password and confirm new password strings do not match, the screen will display the following 
message. 

Chapter 266
Boot
The Boot screen allows the user to decide the order of boot devices to load the operating system. Bootable 
devices includes the diskette drive in module bay, the onboard hard disk drive, and the CD-ROM in module 
bay.
PhoenixBIOS Setup Utility
    
 
Item Specific Help 
 
 
 
 
  
  
  
   
  
Use <  > or <  > to 
select a device, then 
press  to move it 
up the list, or  
to move it down the 
list. Press  to 
escape the menu. 
 
F1
        F5/F6
                 F9 Setup Defaults 
Esc...

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
    
 
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...