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Acer Aspire 1400 Service Guide

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    							Chapter 135
     
    Switch Power, Lid, Application/Button Lock/CD-Play, Eject/Stop Button, Play/Pause 
    Button, Reverse Button, Forward Button, Volume Down Button, volume up 
    button
    Memory Address Map
    Memory AddressSizeFunction
    00100000h-000F0000h 64KB System BIOS
    000CD000h-000C0000h VGA BIOS
    000C0000h-000A0000h 128 KB Video memory (VRAM)
    000A0000h-00000000h 640KB Conventional memory
    I/O Address Map
    I/O AddressFunction
    000-00F DMA controller-1
    020-021 Interrupt controller-1
    040-043 Timer 1
    060, 064 Keyboard controller 38859 chip select
    061 System speaker out
    040B DMA controller-1
    061 System speaker
    070-071 Real-time clock and NMI mask
    080-08F DMA page register
    0A0-0A1 Interrupt controller-2
    0C0-0DF DMA controller-2
    0F0-0FF Numeric data processor
    170-177 2nd EIDE device (CD-ROM) select
    1F0-1F7 1st EIDE device (hard drive) select
    220-22F Audio 
    240-24F Audio (optional)
    278-27F Parallel port 3
    378,37A Paraller port 1
    3B0-3BB
    3C0-3DFVideo Controller 
    3F0h-3F7 Standard Floppy Disk Controller
    3F0-3F7 Floppy disk controller
    480-48F, 4D6  DMA controller-1
    4D0-4D1
    CF8-CFFPCI configuration register
    IRQ Assignment Map
    Interrupt ChannelFunction(Hardware)
    IRQ00 System timer
    IRQ01 Keyboard
    IRQ02 Programmable Interrup Controller
    IRQ03 Free
    IRQ04 Infrared Communications Controller
    Mechanical Specification
    ItemSpecification 
    						
    							36Chapter 1
    IRQ05 CardBus Controller
    IRQ06 Standard Floppy Disk Controller
    IRQ07 Printer Port (LPT1) 
    IRQ08 Real Time Clock
    IRQ09 SCI IRQ used by ACPI bus
    IRQ10 Free
    IRQ11 Audio Controller, SMBus Controller, Carbus Controller, Intel Network 
    Connection and Modem
    IRQ12 PS/2 Mouse
    IRQ13 Numeric data processor
    IRQ14 Ultra ATA storage Controller
    Primary IDE controller
    IRQ15 Ultra ATA storage Controller
    Secondary IDE channel (CD-ROM drive)
    DMA Channel Assignment
    DMA ChannelFunction(Hardware)
    00 Free
    01 SMC IrCC
    02 Standard Floppy Disk Controller
    03 Free
    04 DMA controller
    IRQ Assignment Map
    Interrupt ChannelFunction(Hardware) 
    						
    							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 bottom of screen).
    Navigating the BIOS Utility
    There are six menu options:  Main, Advanced , Security, Others, Boot and Exit.
    Follow these instructions:
    !To choose a menu, use the cursor left/right keys (zx).
    !To choose a parameter, use the cursor up/down keys ( wy).
    !To change the value of a parameter, press p or q.
    !A plus sign (+) indicates the item has sub-items. Press e to expand this item.
    !Press ^ while you are in any of the menu options to go to the Exit menu.
    !In any menu, you can load default settings by pressing t. You can also press u to save any 
    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.
    System Utilities
    Chapter  2 
    						
    							38Chapter 2
    Main
    The Main screen displays a summary of your computer hardware information, and also includes basic setup 
    parameters.
    NOTE: The screen above is for 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/Options
    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 (month/
    day/year)
    System Date
    Floppy Drive Shows floppy drive type information. 1.44MB, 3 1/2: If there exists 
    floppy drive.
    Not installed: If there is no floppy 
    drive.
    Hard Disk Shows the hard disk information with the 
    manufacturer and model name..
    Quiet Boot Determines the way the system boots 
    up.Shows the high-capacity disc drive 
    installed.Options: Enabled or Disabled
    Power on display Determines the display device on startup. Options: Auto-Selected or 
    Simultaneous
    LCD Display stretch Specifies whether or not to expand the 
    image to fill the screenOptions: Enabled or Disabled
    System Memory Reports  the memory size of system base 
    memory. The size is fixed to 640KB.. 
    						
    							Chapter 239
    The items in this screen are important and vital information about your computer.  If you experience computer 
    problems and need to contact technical support, this data helps our service personnel know more about your 
    computer. Extended Memory Reports the memory size of the extended 
    memory with an integer in the system and 
    32 Bit SMI will occupy 0.5MB.
    Note: Extended memory size= Total 
    memory size-1MB-0.5M.
    BIOS Ver.Product Name Shows the system BIOS version.
    ParameterDescriptionFormat/Options 
    						
    							40Chapter 2
    Advanced
    The Advanced screen contains parameters involving your hardware devices.
    The table below describes the parameters in the screen Settings in boldface are the default and suggested 
    parameter settings.                                    
    ParameterDescriptionOptions
    IDE Controller Configures the integrated local bus IDE 
    adapter.Both: Enables CD-ROM and 
    Hard Drive.
    Primary: Enables Hard Drive 
    only
    Disabled: Disables the 
    integrated local bus IDE 
    adapter using options. 
    Note: Depending on your 
    operating system, disabling an 
    unused device may help free 
    system resources for other 
    devices.
    FDD controller Enables or disables the floppy disk controller.Enabled or Disabled
    Infrared Port (FIR) Enables or disables the system’s Infrared port.Enabled or Disabled
    Base I/O address Sets the I/O address and IRQ for Infrared port.3F8, IRQ4/2F8, IRQ3/ 3E8, 
    IRQ4/2E8, IRQ3
    DMA Channel Sets a DMA channel for Infrared port. This 
    field is hidden if Mode is not FIR.DMA3 or DMA1 
    						
    							Chapter 241
    Parallel Port Enables or disables the parallel port.Enabled or Disabled
    Note: Depending on your 
    operating system, disabling an 
    unused device may help free 
    system resources for other 
    devices.
    Mode Sets the operation mode of the parallel port.ECP, EPP, Bi-directional or 
    Normal
    Base I/O address Sets the I/O address for the parallel port.378/278/3BC
    Note: When Mode is selected 
    as EPP mode,“3BC” will not be 
    available.
    Interrupt Set the interrupt for the parallel port.IRQ7or IRQ5
    DMA channel Set the DMA channel for the paralle port.DMA1/DMA0/DMA3
    Note: This field is hdden if 
    Mode is not ECP.
    Legacy USB Support Eeable or disable support for Legacy 
    Universal Serial Bus.Enabled or Disabled
    ParameterDescriptionOptions 
    						
    							42Chapter 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.
    Setting a Password
    Follow these steps:
    ParameterDescriptionOption
    User Password/
    Supervisor PasswordShows the setting of the user password./
    supervisor password.Clear or Set
    Set User Password Press Enter to set the user password. 
    When set, this password protects the 
    BIOS Setup Utility from unauthorized 
    access.
    Set Supervisor Password Press Enter to set the Supervisor 
    password. When set, this password 
    controls access to the setup utility.
    Password on boot Allows the user to specify whether or not 
    a password is required to boot.When 
    enabled, the user password protects the 
    computer from unauthorized access 
    during boot up.Disabled or Enabled 
    						
    							Chapter 243
    1.Use the w andy keys to highlight the Set User Password/Set Supervisor Password parameter and press 
    the e key. The Set User Password/Set Supervisor Password box appears:
    2.Type a password in the Enter new password field. The password may consist of up to eight alphanumeric 
    characters (A-Z, a-z, 0-9). Retype the password in the Confirm new password field.
    3.If there is an old password then setup will prompt with the following window instead and a current 
    password will be required to be entered at first.
    IMPORTANT:Be very careful when typing your password because the characters do not appear on the 
    screen.
    4.User can type password in field of enter new password, and re-enter password in field of “confirm new 
    password” for verification.
              If verification OK, the supervisor password is set complete after user press enter. User can see the 
    following message.
              
             If verification fail, then user will see the following message.
    5.Press e. After setting the password, the computer sets the User Password/Supervisor Password 
    parameter to “Set”.
    6.If desired, you can opt to enable the Password on boot parameter.
    7.When you are done, press u to save the changes and exit the BIOS Setup Utility.
         Set SuperVisor Password
    Enter New Password         [                           ]
    Confirm New Password    [                           ]
    Set Supervisor Password
    Enter current password     [                           ]
    Enter New Password     [                           ]
    Confirm New Password    [                           ]
    Setup Notice
    Changes have been saved.
    [Continue]
    Setup Warning
    Password does not match
    Re-enter Password
    [Continue] 
    						
    							44Chapter 2
    Removing a Password
    Follow these steps:
    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 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 User 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 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 User 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.
    Set Password
    Enter Current Password
    Enter New Password
    Confirm New Password[                             ]
    [                             ]
    [                             ]
    Set Password
    Enter Current Password
    Enter New Password
    Confirm New Password[                             ]
    [                             ]
    [                             ] 
    						
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