Acer Extensa 2500 Service Guide

Chapter 232
BIOS Setup Utility
The BIOS Setup Utility is a hardware configuration program built into your computer’s BIOS (Basic Input/
Output System).
Your computer is already properly configured and optimized, and you do not need to run this utility. However, if 
you encounter configuration problems, you may need to run Setup.  Please also refer to Chapter 4 
Troubleshooting when problem arises.
To activate the BIOS Utility, press 
m during POST (when “Press  to enter Setup” message is prompted 
on the...

33Chapter 2
Navigating the BIOS Utility
There are six menu options: Info., Main, System Devices, Security, Boot, and Exit.
Follow these instructions:
TTo choose a menu, use the cursor left/right keys (zx).
TTo choose a parameter, use the cursor up/down keys ( wy).
TTo change the value of a parameter, press por q.
TA plus sign (+) indicates the item has sub-items. Press e to expand this item.
TPress ^ while you are in any of the menu options to go to the Exit menu.
TIn any menu, you can load default...

Chapter 234
Information
NOTE: The system information is subject to different models.
ParameterDescription
Floppy Disk Drive Shows floppy drive type informaiton.
Note: Aspre 1620, Extensa 2700, TravelMate 2500 and Extnesa 2500 series products do 
not have floppy disk drive; Extensa 2000 and TravelMate 2000 series have floppy disk 
drive.
HDD Model Name This field shows the model name of HDD installed on primary IDE master.
HDD Serial Number This field displays the serial number of HDD installed on primary...

35Chapter 2
Main
The Main screen displays a summary of your computer hardware information, and also includes basic setup 
parameters. It allows the user to specify standard IBM PC AT system parameters.
NOTE: The screen above is for reference only. Actual values may differ. 

Chapter 236
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 settings in these cases.
NOTE: If user disables “PXE Boot from LAN” option in BIOS Setup Utility, this item will be disappeared.
ParameterDescriptionFormat/Option
System Time Sets the system time. The hours...

37Chapter 2
Advanced
The Advanced menu screen contains parameters involving your hardware devices. It also provides advanced 
settings of the system.
The table below describes the parameters in the screen. Settings in boldface are the default and suggested 
parameter settings.
ParameterDescriptionOptions
Hyper-Threading 
TechnologyThe function is supported only when the CPU 
installed is 3.06G or above. The system will 
automatically hide this selection when detecting the 
CPU frequency is below 3.06G or...

Chapter 238
Legacy USB Support Enables, disables USB interface devices support 
under DOS mode.Option: Disabled or Enabled
ParameterDescriptionOptions 

39Chapter 2
Security
The Security screen contains parameters that help safeguard and protect your computer from unauthorized 
use. 

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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 user or the supervisor password:
1.Use the w andy keys to highlight the Set Supervisor...

41Chapter 2
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 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...