Acer Aspire 4935 Service Guide

							Chapter 231
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.
ParameterDescriptionFormat/Option
System Time Sets the system time. The hours are displayed with 24-
hour format.Format: HH:MM:SS 
(hour:minute:second) 
System Date Sets the system date. Format MM/DD/YYYY 
(month/day/year)
Total Memory This field reports the total memory size. Memory size is 
fixed to 3071 MB.N/A
Video Memory This field reports the video Memory size. N/A
Quick Boot
Enables the boot sequence to skip some processes to 
boot up more quickly.Option: Enabled or 
Disabled
Network Boot Enables, disables the system boot from LAN (remote 
server).Option: Enabled or 
Disabled
F12 Boot Menu Enables or disables the Press  to display boot 
menu message during startup.Option: Enabled or 
Disabled
D2D Recovery Enables, disables D2D Recovery function. The function 
allows the user to create a hidden partition on hard disc 
drive to store operation system and restore the system 
to factory defaults.Option: Enabled or 
Disabled
SATA Mode Control the mode in which the SATA controller should 
operate.Option: ACHI or IDE
             InsydeH20 Setup Utility Rev 3.5
Informat i on     Main    Advanced Security Power Boot Exit
It em Specific  Help
Sy st em Time [ 13:04: 04]
Sy s t em Dat e [ 10/ 10/ 2008] This  is  t he help for t he
hour field.  Valid range
Total Memory 3071 MBis  from 0 t o 23.
Video Memory [ 64MB]
INCREA S E/ REDUCE :  F5 / F6
Quic k  Boot[ Enabled]
Net work  Boot[ Enabled]
F12 Boot Menu[ Dis abled]
D2D Rec overy[ Enabled]
SATA Mode[ A CHI]
F1 Help           
↑↓ Select Item           F5/F6 Change Values          F9 Setup Default
ESC Exit         
←→ Select Menu       Enter Select
XSubmenu    F10 Save and Exit 
						

							32Chapter 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 normally.
The table below describes the parameters in this screen. Settings in boldface are the default and suggested 
parameter settings.
ParameterDescriptionSubmenu Items
Boot 
ConfigurationEnter the Boot Configuration menu.
•Numlock
Peripheral 
ConfigurationEnter the Peripheral Configuration menu.
•Serial Port A
•Infrared Port
•Azalia
•Lan
IDE Configuration Enter the IDE Configuration menu.
•IDE Controller
•HDC Configure as
•AHCI Option ROM 
Support
•SATA Port 0, 1, 4, and 5 
Hotplug
XChannel 1 to 4 Master
XChannel 1 to 4 Slave
             InsydeH20 Setup Utility Rev 3.5
Information     Main    AdvancedSecurity Power Boot Exit
It em Specific  Help
XBoot  Configurat ion
XPeripheral Configurat ion Configures  Boot
XIDE Configurat ion Set t ings .
XVideo Configurat ion
XUSB Configurat ion
XChipset Configuration
XACPI Table/ Feat ures  Cont rol
Ex pres s  Card [ Dis abled]
XPCI Ex pres s  Root  Port  1
XPCI Ex pres s  Root  Port  2
XPCI Ex pres s  Root  Port  3
XPCI Ex pres s  Root  Port  4
XPCI Ex pres s  Root  Port  5
XPCI Ex pres s  Root  Port  6
XASF Configurat ion
F1 Help           
↑↓ Select Item           F5/F6 Change Values          F9 Setup Default
ESC Exit         
←→ Select Menu       Enter Select
XSubmenu    F10 Save and Exit 
						

							Chapter 233
Video 
ConfigurationEnter the Video Configuration menu.•Render Standby
•IGD - Device2, Function1
•IGD - Pre-allocat Memory
•IGD - DVMT Size
•Clock Chip Initialize
•Enabled CK SSC
•IGD - Boot Type
•IGD - LCD Panel Type
•IGD - TV
•IGD - PAVP Mode
USB 
ConfigurationEnter the USB Configuration menu.
•USB Legacy
•EHCI 1 and 2
•UCHI 1 to 5
•Per-Port Control
•Usb Port 0 to 11
Chipset 
ConfigurationEnter the Chipset Configuration menu.
•Port 80h Cycles
•DMI Link ASPM
•PCI Latency Timer
•VT-d
•iTPM
ACPI Tables/ 
Features ControlEnter the ACPI Tables/ Features Control menu.
•FACP - C2 Latency Value
•FACP - C3 Latency Value
•FA C P  -  RT C  S 4  Wa k e u p
•APIC - IO APIC Mode
•HPET - HPET Support
•Base Address select
Express Card Enable or disable Express Card functionality. Option: Enabled or 
Disabled.
PCI Express Root 
Port 1Enter the PCI Express Root Port 1 menu.
NOTE: Disabling Root Port 1 also disables ports 2 to 6.
•PCI Express Root Port 1
•VC1 Cable
•ASPM
•Automatic ASPM
•ASPM L0s
•ASPM L1
•URR
•FER
•NFER
•CER
•CTO
•SEFE
•SENFE
•SECE
•PME Interrupt
•PME SCI
•Hotplug SCI
ParameterDescriptionSubmenu Items 
						

							34Chapter 2
PCI Express Root 
Port nEnter the PCI Express Root Port 2 to 6 menus. 
NOTE: n = port number 2 to 6.•PCI Express Root Port n
•VC1 Cable
•ASPM
•Automatic ASPM
•URR
•FER
•NFER
•CER
•CTO
•SEFE
•SENFE
•SECE
•PME Interrupt
•PME SCI
•Hotplug SCI
ASF Configuration Enter the ASF Configuration menu.
•Mini Watchdog Timeout
•BIOS Boot Timeout
•OS Boot Timeout
•Power-on wait time
ParameterDescriptionSubmenu Items 
						

							Chapter 235
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: The following sub-options are all requires the Supervisor password for changes and should be grayed 
out if the user password was used to enter setup.
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.
ParameterDescriptionOption
Supervisor Password Is Shows the setting of the Supervisor passwordClear or Set
User Password Is Shows the setting of the user password.Clear or Set
HDD Password Is Shows the setting of the hard disk password. Clear, Set, or 
Frozen
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.N/A
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 cannot change parameters.N/A
Set Hdd Password Press Enter to set the Hdd password. When Hdd 
password is set, this password protects the Hdd from 
unauthorized access. N/A
Power on password Defines whether a password is required or not while the 
system powers on. Disabled or 
Enabled
             InsydeH20 Setup Utility Rev 3.5
Informat ion     Main     Advanc edSecurityPower Boot Exit
Item Specific Help
Supervisor Password Is: Clear
User Pas s word Is : ClearIns t all or Change t he 
HDD Pas s word Is : Froz epas s word and t he lengt h
of pas sword mus t  be les s
Set Supervisor Passwordt han eight  words.
Set User Password
Set Hdd Password
Power on pas s word [ Dis abled]
F1 Help           
↑↓ Select Item           F5/F6 Change Values           F9 Set up Default
ESC Exit         
←→ Select Menu       Enter Select
XSubmenu    F10 Save and Exit 
						

							36Chapter 2
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 the characters do not appear on the screen.
3.Press Enter. After setting the password, the computer sets the User Password parameter to “Set”.
4.If desired, you can opt to enable the Password on boot parameter.
5.When you are done, press F10 to save the changes and exit the BIOS Setup Utility.
Removing a Password
Follow these steps:
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.Press Enter 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. 
						

							Chapter 237
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 parameter.
6.When you are done, press F10 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 Enter.
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. 
						

							38Chapter 2
Power
The Power screen allows the user to configure CPU and power management options.
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
• SMRR Support
•C-States
• Enhanced C-States
• C-State Pop Up Mode
• C-State Pop Down Mode
• C4 Exit Timing Mode
• DeepC4
•Hard C4E
• Enable C6
•EMTTM
• Bi-directional PROCHOT#
• Dynamic FSB Switching
• Turbo Mode
• ACPI 3.0 T-States
•DTS
• DTS Calibration
• Thermal Trip Points Setting (Fan 
On Temp., Throttle On Temp.)
             InsydeH20 Setup Utility Rev 3.5
Information     Main     Advanced SecurityPowerBoot Exit
Item Specific Help
XAdvanc ed CPU Cont rol
XPlat form Power Management Thes e it ems  c ont rol
XBreak  Event various CPU paramat ers .
ACPI S3: [Enabled]
Wake on PME [Enabled]
W ak e on Modem Ring [ Enabled]
Quickly S4 Resume [Disabled]
Auto Wake on S5 [Disabled]
F1 Help           
↑↓ Select Item           F5/F6 Change Values           F9 Set up Default
ESC Exit         
←→ Select Menu       Enter Select
XSubmenu    F10 Save and Exit 
						

							Chapter 239
Platform Power 
ManagementEnter the Platform Power Management 
menu. • PCI Clock Run
Break Event Enter the Break Event menu. • Storage Break Event
• PCIE Break Event
• PCI Break Event
• EHCI Break Event
• UHCI Break Event
• HDA Break Event
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
Quickly S4 
ResumeDisable or Enable optional quick boot from 
S4 Resume.N/A
Auto wake on S5Disable or Enable auto wake up by date 
and time or at a fixed time everyday.N/A
ParameterDescriptionSubmenu Items 
						

							40Chapter 2
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     Advanc ed S ec urity P owerBootExit
Item Spec ific  Help
B oot priority  order:Us e <
↑> or <
↓> to select
a devic e, then pres s
1. IDE0 : ST9160310AS< F5>  to move it down the
2. IDE1 : Slimty pe DV D A DS8A 2S lis t, or < F6>  to move 
3. USB  FFD :  it up the lis t. Pres s
4. Network  B oot : A theros  Boot A gent < Es c >  to es c ape the menu
5. US B  HDD : 
6. US B  CDROM  :
F1 Help           
↑↓ Select Item           F5/F6 Change V alues             F9 Setup Default
ESC Exit         
←→ Select Menu       Enter Select
XS ubMenu     F10 Save and Ex it