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 bytes assigned to each 
hot-plug slot.
256, 512, 1024, 2048, 4096 or 
None
Memory Sets the amount of memory assigned to each 
hot-plug slot.1M, 
2M, 4M, 8M, 16M, 32M, 64M 
or None
Pre-fetchable Memory Sets the amount of pre-fetchable memory 
assigned to each hot-plug slot.1M, 
2M, 4M, 8M, 16M, 32M, 64M 
or None
Watchdog Timer Enables, disables the watchdog timer function.
Disabled or Enabled
Integrated Devices This sub menu displays all options and 
settings for integrated devices.See the following page for a 
description of each setting.
PhoenixBIOS Setup Utility
    
 
Item Specific Help 
 
 
 
 
  
  
  
   
  
Use this feature to
tune USB timing event
for USB devices
 
 
F1
        F5/F6
                 F9 Setup Defaults 
Esc  Enter  Select Sub-MenuF10 Save and Exit 
[Enabled]
Help
ExitSelect Item
Select MenuChange Values PCI Hot-Plug Resources :
InformationMainAdvancedBoot Power Exit Security
Integrated Devices
USB Self-Healing
[256] I/O :
[2M] Memory :
[2M] Pre-fetchable Memory:
[Disabled] Watchdog Timer :
Memory 
						

							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 Recovery Time in MS Sets the recovery duration following a reset.
Enter numeric value (Default: 
30)
Device Power Good Time in MS Sets the interval between power on and 
system availability following a reset.Enter numeric value (Default: 
100)
Attach Signal Debounce in MS Sets the debounce interval after a USB 
device is connected.Enter numeric value (Default: 
100)
EHCI Self-Healing: 
(Enhanced Host Controller Interface - supports USB 2.0 devices)
Duration of Port Reset in MS Sets the port reset duration.
Enter numeric value (Default: 
20)
Reset Recovery Time in MS Sets the recovery duration following a reset.
Enter numeric value (Default: 
17)
Device Power Good Time in MS Sets the interval between power on and 
system availability following a reset.Enter numeric value (Default: 
100)
Attach Signal Debounce in MS Sets the debounce interval after a USB 
device is connected.Enter numeric value (Default: 
100)
ParameterDescriptionOption
USB Control Enables, disables USB controllers.
USB1.1+USB2, USB1.1 or 
Disabled
USB2 Control Enables, disables USB2 controllers.
USB1.1+USB2, USB1.1 or 
Disabled
Legacy USB Support Enables, disables support for Legacy USB.
Enabled or Disabled
MAC LAN Enables, disables the MAC LAN device.
Enabled or Disabled
MAC Address Displays the system MAC address.
Azalia Codec Enables, disables the Azalia audio interface
Enabled or Disabled
SATA0 Mode Displays the available SATA0 modes.
IDE, RAID, AHCI, Linux AHCI or 
Disabled
SATA Hotplug Enables, disables the SATA hotplug. When 
enabled, the SATA controller is always on, 
therefore consuming more power.
Enabled or Disabled
SMU Enables, disables the SMU (System 
Management Unit) function
Enabled or Disabled
Software Based PMU FW 
LoadingEnables, disables firmware boot up from an 
external flash drive containing SBIOS.
Enabled or Disabled
Interrupt Mode Selects the interrupt mode.
APIC or PIC
PCI Express MSI Enables, disables the PCI Express MSI 
(Message Signaled Interrupt) function.
Enabled or Disabled 
						

							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 - BFFF :[Disabled]
Cache C800 - CBFF :[Disabled]
Cache CC00 - CFFF :
Cache D000 - C3FF :
Cache D400 - D7FF :[Disabled]
[Disabled]
[Disabled]
InformationMain Advanced BootPowerExit SecurityMemory 
						

							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, Write Through, 
Write Protect, or Write Back
Cache Video BIOS area Sets control of video BIOS caching to 
improve video performance.
uncached, Write Through, 
Write Protect, or Write Back
Cache Base 0-512K Sets control of base memory caching up to 
512K.
uncached, Write Through, 
Write Protect, or Write Back
Cache Base 512K-640K Sets control of base memory caching 
between 512K-640K.
uncached, Write Through, 
Write Protect, or Write Back
Cache Extended Memory Area Sets control of system memory caching 
above 1MB.
uncached, Write Through, 
Write Protect, or Write Back
Cache fields 
(
A000-AFFF & B000 -BFFF)Sets control of caching of specific areas of 
memory.Disabled, USWC Caching, 
Write Through, Write Protect, or 
Write Back
Cache fields 
(
C800-CBFF to EC00 - EFFF)Sets control of caching of specific areas of 
memory.
Disabled, Write Through, Write 
Protect, or Write Back  
						

							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 Exit     Select MenuEnter  Select  Sub -Menu F10 Save and Exit 
[Enter]
[Enter]
Set SATA Port 0 HDD Password
[Enter]
SATA Port 0 Disk Status Clear
InformationMain Advanced Boot Power ExitMemorySecurity
Clear 
						

							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 Supervisor Password parameter and press the e key. The Set 
Supervisor Password box appears:
2.Type a password in the “Enter New Password” field. The password length can not exceed 8 alphanumeric 
characters (A-Z, a-z, 0-9, not case sensitive). Retype the password in the “Confirm New Password” field.
IMPORTANT: Be very careful when typing your password because the characters do not appear on the 
screen.
3.Press e. After setting the password, the computer sets the Supervisor Password parameter to “Set”.
4.If desired, you can opt to enable the Password on boot parameter.
5.When you are done, press u to save the changes and exit the BIOS Setup Utility.
ParameterDescriptionOption
Supervisor Password Is Shows whether the Supervisor Password is set or 
not
Clear or Set
User Password is Is Shows whether the User Password is set or not.
Clear or Set
SATA Port 0 Disk Status Shows whether the HDD Password is set or not.
Clear or Set
Set Supervisor Password Press Enter to set the supervisor password. When 
set, this password protects the BIOS Setup Utility 
from unauthorized access. The user can not either 
enter the Setup menu nor change the value of 
parameters.
Set User Password Press Enter to set the user password. When user 
password is set, this password protects the BIOS 
Setup Utility from unauthorized access. The user 
can enter Setup menu only and does not have right 
to change the value of parameters.
Set SATA Port 0 HDD 
PasswordPress Enter to set the hard disk password. When 
set, this password protects the BIOS Setup Utility 
from unauthorized access. The user can not either 
enter the Setup menu nor change the value of 
parameters.
Password on Boot Defines whether a password is required or not 
during boot up. This option requires the Supervisor 
password to be entered to make changes and will 
be grayed out if the user password was used to 
enter the setup utility.
Disabled or Enabled 
						

							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 the BIOS Setup Utility.
Changing a Password
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.Type a password in the Enter New Password field. Retype the password in the Confirm New Password 
field.
4.Press e. After setting the password, the computer sets the Supervisor Password parameter to “Set”.
5.If desired, you can enable the Password on boot parameter.
6.When you are done, press u to save the changes and exit the BIOS Setup Utility.
If the verification is OK, the screen will display as following. 
The password setting is complete after the user presses u. 
						

							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  Enter  Select  Sub-MenuF10 Save and Exit  
Help
ExitSelect Item
Select MenuChange Values
Boot priority order:
1:  IDE 4 : ST9160821AS-(S1)
2:  IDE 5 : 
3:  IDE 0 : Optiarc DVD RW AD-7530A-(P
4:  PCI BEV : NVIDIA Boot Agent 244.0538
5:  USB HDD :
6:  USB CDROM :
7:  USB FDC :
8:  USB KEY : 
InformationMain AdvancedBootPower Exit SecurityMemory 
						

							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 Setup Defaults 
Esc  Enter  Select Sub-MenuF10 Save and Exit 
C State Configuration[Auto] 
C1E Configuration[Auto] 
PCIE Spread Spectrum :[Disabled]
PState Configuration[Enabled] SATA Spread Spectrum :[Disabled]
USB CSC Resume[Disabled]
DIPM[Disabled] CPU Spread Spectrum :[Disabled]  CPU Throttle :[Disabled] 
iGPU Spread Spectrum :[Disabled] 
HIPM[Enabled]
PCI Clocks :[Enabled]
Fake Battery Subsystem[Disabled]
AltVid[Disabled]
ASPM (L0s/L1)[Enabled]
Power Saver
Help
ExitSelect Item
Select MenuChange Values
InformationMain Advanced BootPowerExit SecurityMemory