Acer Travelmate 270 Service Guide

36Chapter 1
IRQ04 Communications Port (COM1)
IRQ05 PCI AUDIO/MODEM
IRQ06 Standard Floppy Disk Controller
IRQ07 ECP Printer Port (LPT1) 
IRQ08 Real Time Clock
IRQ09 SCI 
IRQ10 LAN/Universal Serial Bus
IRQ11 PCMCIA/VGA
IRQ12 Mouse
IRQ13 Numeric data processor
IRQ14 Primary IDE controller (hard disk)
IRQ15 Secondary IDE controller (CD-ROM drive)
DMA Channel Assignment
DMA ChannelFunction(Hardware)
00 PnP Audio System CODEC
01 Free
02 Standard Floppy Disk Controller
03 ECP Printer Port (default)
IRQ...

Chapter 237
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...

38Chapter 2
changes made and exit the BIOS Setup Utility.
NOTE: You can change the value of a parameter if it is enclosed in square brackets. Navigation keys for a 
particular menu are shown on the bottom of the screen. Help for parameters are found in the Item 
Specific Help part of the screen. Read this carefully when making changes to parameter values. 

Chapter 239
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.
PhoenixBIOS Setup Utility 
Main
        System Devices        Security        Boot        Info.        Exit   Item specific Help 
System Time: [09:00:00]  
System Date:   [01/01/2002] , , or 
   
Floppy Disk Drive 1.44 MB Floppy disk...

40Chapter 2
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.
ParameterDescriptionFormat/Option
System Time Sets the system time. Format: HH:MM:SS 
(hour:minute:second)System Time
System Date Sets the system date. Format MM/DD/YYYY...

Chapter 241
System Devices
The System Devices 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
PS/2 Pointing Device Determines whether or not to disable the internal 
touchpad of a PS/2 pointing device is connected.
Both or Auto-Selected
Serial Port Enables, disables or auto detects the...

42Chapter 2
Security
The Security screen contains parameters that help safeguard and protect your computer from unauthorized 
use.
PhoenixBIOS Setup Utility 
Main
        System Devices        Security
        Boot        Info.        
Exit 
  Ite m  s p e c ific  H e lp  
User Password is Clear  
Administrator Password is   Clear  
   
Set User Password [Enter]  
Set Administrator Password [Enter] Supervisor Password 
controls access to the 
setup utility 
   
Password Required to:...

Chapter 243
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 administrator password:
1.Use the 
w andy keys to highlight the Set...

44Chapter 2
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 Administrator 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 User Password parameter and press the e key. The Set 
Password box appears:
2.Type...

Chapter 245
If the new password and confirm new password strings do not match, the screen will display the following 
message.