Acer Aspire 4930g Service Guide

Chapter 241
Main
The Main screen allows the user to set the system time and date as well as enable and disable boot option 
and recovery.
NOTE: The screen above is for your reference only. Actual values may differ.
The table below describes the parameters in this screen. Settings in boldface are the default and suggested 
parameter settings.
NOTE: The sub-items under each device will not be shown if the device control is set to disable or auto. This is 
because the user is not allowed to control the...

42Chapter 2
Advanced
The Advanced screen allows the user to configure the various advanced BIOS options.
IMPORTANT:Making incorrect settings to items on these pages may cause the system to malfunction. Unless 
you have experience adjusting these items, we recommend that you leave these settings at the 
default values. If making settings to items on these pages causes your system to malfunction or 
prevents the system from booting, open BIOS and choose Load Optimal Defaults in the Exit menu to 
boot up...

Chapter 243
USB 
ConfigurationEnter the USB Configuration menu.  • USB Driver Select 
• EHCI 1 and 2
• UHCI 1 to 5
• Per-Port Control
Chipset 
ConfigurationEnter the Chipset Configuration menu.  • Port 80h Cycles
• DMI Link ASPM Control
• PCI Latency Timer
•VT-d
ACPI Table/
Features ControlEnter the ACPI Table/Features Control 
menu. • FACP C2 Latency Value
• FACP C3 Latency Value 
• FACP RTC S4 Wakeup 
• APIC IO APIC Mode
• HPET Support
• Base Address Select
Express CardDisable or Enable the Express...

44Chapter 2
Security
The Security screen contains parameters that help safeguard and protect your computer from unauthorized 
use.
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....

Chapter 245
Setting a Password
Follow these steps as you set the user or the supervisor password:
1.Use the ↑ and ↓ keys to highlight the Set Supervisor Password parameter and press the Enter key. The 
Set Supervisor Password box appears:
2.Type a password in the “Enter New Password” field. The password length can not exceeds 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...

46Chapter 2
Changing a Password
1.Use the ↑ and ↓ keys to highlight the Set Supervisor Password parameter and press the Enter key. The 
Set Password box appears.
2.Type the current password in the Enter Current Password field and press Enter.
3.Type a password in the Enter New Password field. Retype the password in the Confirm New Password 
field.
4.Press Enter. After setting the password, the computer sets the User Password parameter to “Set”.
5.If desired, you can enable the Password on boot...

Chapter 247
Power
The Power screen allows the user to configure various CPU and power management options and device 
wakeup behavior.
The table below describes the items, menus, and submenus in this screen. Settings in boldface are the default 
and suggested parameter settings. 
ParameterDescriptionSubmenu Items
Advanced CPU 
ControlEnter the Advanced CPU Control menu.  • P-States (IST)
• Boot performance mode
• Thermal Mode
• CMP Support
• Use XD capability
• VT Support
•C-States
• Enhanced C-States
•...

48Chapter 2
Platform Power 
managementEnter the Platform Power Management 
menu. • PCI Clock Run
• _CST - C4 Latency Value
• C4 on C3 - Deeper Sleep
ACPI S3Enable or Disable ACPI S1/S3 Sleep State N/A
Wake on PMEEnable or Disable wake up when the 
system power is off and a PCI Power 
Management Enable wake up event occurs.N/A
Wake on Modem 
RingEnable or Disable wake up when the 
system power is off and a modem attached 
to the serial port is ringing.N/A
Auto wake on S5Disable or Enable auto wake up by...

Chapter 249
Boot
This menu allows the user to decide the order of boot devices to load the operating system. Bootable devices 
includes the USB diskette drives, the onboard hard disk drive and the DVD drive in the module bay.
             InsydeH20 Setup Utility Rev. 3.5
Information      Main     Advanced Security PowerBootExit
Item Specific Help
Boot priority order:
Use  or  to select
a device, then press
1. IDE0 : Hitachi HTS542516K9SA00 to move it down the
2. IDE1 : Slimtype DVD A DS8A2S list, or  to...

50Chapter 2
Exit
The Exit screen allows you to save or discard any changes you made and quit the BIOS Utility.
The table below describes the parameters in this screen.
ParameterDescription
Exit Saving Changes Exit System Setup and save your changes to CMOS.
Exit Discarding 
ChangesExit utility without saving setup data to CMOS.
Load Setup Default Load default values for all SETUP item.
Discard Changes Load previous values from CMOS for all SETUP items.
Save Changes Save Setup Data to CMOS....