IBM ThinkPad T23                                       August 02 2004
ThinkPad BIOS Update Utility

BIOS Version 1.18 (1AET62WW)
======================================================================

Notice:
-------
- This BIOS version will only work with the Embedded Controller
  Program Version 1.06a (or higher). Please obtain the additional
  package Embedded Controller Program Version 1.06a (or higher) and
  update the Embedded Controller Program.
- If you need to update Embedded Controller Program as well as the
  BIOS update the BIOS first.
- This program is language independent and can be used with any
  language system.

What This Package Does
----------------------
This ThinkPad BIOS Update Utility updates the system BIOS program
stored in the ThinkPad system to fix problems add new functions or
expand functions as noted below.

This release supports the following system:
  - ThinkPad T23

The supported operating systems are as follows:
  - Windows 95 OSR2 or later
  - Windows 98 and 98 Second Edition
  - Windows Me
  - Windows 2000
  - Windows NT 4.0 with Service Pack 3 or later
  - Windows XP

To determine if you have to update the system program refer to the
Summary of Change section.

To update the system program please refer to the Installation
instructions section.

Released Versions         Description
-----------------------   --------------------------------
Version 1.01 (1AET38WW)   Initial Release
Version 1.02 (1AET40WW)   Function update and a fix for some problems
Version 1.03 (1AET43WW)   A fix for some problems
Version 1.04 (1AET47WW)   Function update and a fix for some problems
Version 1.05 (1AET48WW)   A fix for some problems
Version 1.06 (1AET49WW)   A fix for some problems
Version 1.07 (1AET50WW)   A fix for some problems
Version 1.08 (1AET51WW)   A fix for some problems
Version 1.09 (1AET52WW)   Function update and a fix for some problems
Version 1.10 (1AET53WW)   A fix for some problems
Version 1.11 (1AET54WW)   A fix for some problems
Version 1.12 (1AET55WW)   A fix for some problems
Version 1.13 (1AET56WW)   Function update and a fix for some problems
Version 1.14 (1AET58WW)   Function update and a fix for some problems
Version 1.15 (1AET59WW)   Function update and a fix for some problems
Version 1.16 (1AET60WW)   Function update and a fix for some problems
Version 1.17 (1AET61WW)   A fix for some problems
Version 1.18 (1AET62WW)   Function update and a fix for some problems

Summary of Changes
------------------
 Key: <n.nn>  Utility Version (for example 1.00 means Version 1.00)
       (New)   New Function or Enhancement
       (Fix)   Correction to existing function

<1.01 - 1AET38WW>
 - (New) Support for ThinkPad T23.

<1.02 - 1AET40WW>
 - (New) Support F11 key handling on logo screen for new recovery program.
         xKx and xLx models are't supported.
 - (Fix) IBM Token Ring PCMCIA card does not work after Hibernation wakeup
         under Windows 98.
 - (Fix) Floppy disk drive read/write access fail on Windows XP.
 - (Fix) POST 175 error appear.
 - (Fix) USB device which is connected to USB port in docking station does
         not work on Windows 95.
 - (Fix) System can not boot from USB Portable Device Bay.
 - (Fix) Japanese message of eFlash is corrupted.
 - (Fix) Two different docking configurations are made.
 - (Fix) Ctrl+Alt+Del cause system hang on DOS/V.
 - (Fix) Blue screen appear after standby/resume on Windows 2000 or XP.
 - (Fix) Noise appears when TV out is used.

<1.03 - 1AET43WW>
 - (Fix) Resume hang occurs on Windows 2000 when a USB CCD camera is
         attached.
 - (Fix) RIPL from PCMCIA Token Ring adapter card in docking station does
         not work.
 - (Fix) UltraDMA mode 5 (ATA/100) does not enable on Windows 2000.

<1.04 - 1AET47WW>
 - (New) Support PS2.EXE PREFMemory Enable command which makes it possible
         to install the Matrox G450 driver on Windows NT4.
 - (New) Enable the IDE DMA setting if system does not boot from network
         to speed up hibernation wake up on Windows Me2000 and XP.
 - (New) Enhance BIOS image data integrity at flash update.
 - (New) Remove RIPL function support.
 - (Fix) PS2.EXE USBBIOS Disable does not work correctly.
 - (Fix) If hard disk drive (HDD) class USB device is attached then 2
         different drive letters are assigned to it on Windows 98 and Me.
 - (Fix) Netfinity utility does not work on OS/2.
 - (Fix) POST 195 error occurs by pressing the F1 key several times during
         system boot.
 - (Fix) DVI ICON appears on S3Display tab.
 - (Fix) Clock generator may cause invalid condition at POST.
 - (Fix) VGA color DAC register test failure
 - (Fix) HDD spindle turns off automatically after 3 minutes on ACPI
         operating system.
 - (Fix) TV screen becomes warped displays greenish colors or wavy noise
         appears.
 - (Fix) Once an ACPI operating system has booted up some items in the
         BIOS setup becomes operating system controlled. There is no way
         to exit from this condition except initialization of CMOS.
 - (Fix) Brightness level setting of high is automatically disabled if
         brightness level is changed from ThinkPad utility.
 - (Fix) If the system is docked to the docking station which includes a
         HDD then Hibernation on APM operating system may cause system
         hang.

<1.05 - 1AET48WW>
 - (Fix) Password is requested twice if F1 is pressed on the power on
         password prompt.
 - (Fix) If Maximum Performance is selected for battery and Battery
         Optimized Performance is selected for AC using SpeedStep applet
         on Windows 95 or NT 4.0 it was not reflected to BIOS setting
         correctly.
 - (Fix) If critical hibernation occur on Windows 2000 or Windows Me
         SpeedStep transition fails after hibernation wakeup.
 - (Fix) If system is turned off immediately during first power on process
         it may cause power on hang at next time.

<1.06 - 1AET49WW>
 - (Fix) Abnormal screen appear on LG XGA panel when system is rebooted.

<1.07 - 1AET50WW>
 - (Fix) Windows NT boot is stopped by timer canceled at boot menu while
         an external keybaord is attached.(Also at PCDOS boot menu)
 - (Fix) PC cards do not work after reboot.
 - (Fix) Password is required twice if user press F1 key when password
         prompt appear.
 - (Fix) USB FDD boot does not work after reboot(Windows XP).
 - (Fix) Some HDD partition information causes boot failure.
 - (Fix) Hot dock on Windows 98 cause system hang.

<1.08 - 1AET51WW>
 - (Fix) PC cards do not work on Windows 2000 if PC cards are attached
         before system is power on.

<1.09 - 1AET52WW>
 - (New) 2002 is added to BIOS Copyright text.
 - (Fix) Intel Boot Agent is update to 4.0.22.
 - (Fix) PC card in bottom slot does not work.

<1.10 - 1AET53WW>
 - (Fix) A resource conflict error is displayed after initialization of CMOS
           if the CMOS checksum is invalid.
 - (Fix) Hibernation on an APM operating system may cause the system to hang if
           construction of hibernation file is unique.
 - (Fix) System did not wait long enough for the command that stops the
         HDD spindle motor during a system power off.

<1.11 - 1AET54WW>
 - (Fix) USB device may not work intermittently with new system board.

<1.12 - 1AET55WW>
 - (Fix) USB boot through USB Hub may not work.
 - (Fix) The LCD screen does not turn back on under ACPI operating systems
         when the computer had previously been rebooted by an APM operating
         system.
 - (Fix) Suspend to Hibernation cause system hang.
 - (Fix) Hibernation wakeup cause system hang if supervisor password is
         installed and BIOS update diskette is inserted.

<1.13 - 1AET56WW>
 - (New) Support B1 step of Mobile Intel Pentium III Processor-M.
 - (New) Support UltraDMA function for ZIP250 drive
 - (Fix) Eliminate high pitched noise (from power circuit) that may
         occur with some applications using DirectX.
 - (Fix) Prevent POST 175 error which could occur if system is powered
         off during POST.
 - (Fix) When disabling a device in the Startup menu of BIOS Setup
         the device would sometimes disappear from the menu and could
         not be re-enabled.

<1.14 - 1AET58WW>
 - (New) Support EEPROM over LAN
 - (Fix) Boot sequence is reset after BIOS update.
 - (Fix) USB mouse does not work after suspend/resume if power on
         password is enabled.

<1.15 - 1AET59WW>
 - (New) Support launch of Presentation Director by Fn+F7
 - (Fix) The wake by scheduled tasks may cause wrong date and time.
 - (Fix) Disable of SpeedStep does not work correctly.
 - (Fix) Keyboard status after power on show SysRq key pressing state.
 - (Fix) If Lid close action beep is enabled LCD close during OS boot
         may cause nonstop beep.
 - (Fix) Power on Password can be bypassed.

<1.16 - 1AET60WW>
 - (New) SMBIOS data area has been moved to lower memory location.
 - (Fix) Fails to switch to WinOS2 full-screen on OS/2 Warp3.
 - (New) Enahancement of the password security feature.
 - (Fix) BIOS sometimes displays an error message at hibernation wakeup
         if a USB memory key is used on Windows 98.

<1.17 - 1AET61WW>
 - (Fix) Some multifunction CardBus cards do not work after resume
         from standby mode on Windows XP.
 - (Fix) Boot priority for the network boot does not become to the
         default setting if an F9 key is pressed twice in IBM BIOS
         Setup Utility.
 - (Fix) Windows NT 2000 nor XP won't start if a USB BIOS is set to
         disabled in IBM BIOS Setup Utility.

<1.18 - 1AET62WW>
NOTE:
  This BIOS version will only work with the Embedded Controller Program
  Version 1.06a (or higher).

 - (Fix) (Windows XP and Windows 2000) The system may resume normal
         operation from standby mode when the LCD panel is opened even
         though "Do nothing" for "When I close the lid of my portable
         computer" is selected in the Power Options.
 - (Fix) (Windows XP and Windows 2000) The system may hang when the
         LCD is closed while the system is entering standby mode and
         "Hibernation" for "When I close the lid of my portable
         computer" is selected in the Power Options.
 - (New) Enhancement of the battery control.

Installation instructions
-------------------------
NOTES:
- Remove the Power-on password prior to updating the BIOS in RDM
  (Remote Deployment Manager) environment or similar environment.
- You need an AC adapter and a charged battery pack to update the BIOS.
- If a USB Diskette Drive is attached to your computer turn off the
  computer and detach it before proceeding.

 1. Print these instructions or display them on another computer.
 2. Firmly connect the AC adapter to the computer.
 3. Start Windows 2000/XP and logon with administrative privileges
    on the target computer.
 4. Extract this package onto the hard disk drive.
 5. Click the Start button then click Run.
 6. Specify the file name with the full path name where you extracted
    the package. (e.g. C:\\\\Temp\\\\1KUJ07US.EXE)
    Then click OK.

    Hint:
    For unattended update specify the file name with options
    "-s -a -s". (e.g. C:\\\\Temp\\\\1KUJ07US.EXE -s -a -s)
    The BIOS is updated without any user interaction.

 7. Follow the instructions on the screen.

    Depending on the operating system configuration restarting the
    operating system and rerunning this BIOS update utility may be
    required. In this case the following message will appear.

    "DeviceIoControl() returns 2
     Please restart your operating system and
     execute the BIOS or Embedded Controller
     update utility again."

 Windows will shut down automatically and the ThinkPad BIOS Update
 Utility screen appears.

 8. Select Read this first from the menu and carefully read the
    information that appears.
 9. Press the Esc key to return to the menu.
10. Select Update system program and follow the instruction on the
    screen.

    Warning:
    Do not turn off or suspend the computer until the update has
    been completed. IF YOU TURN OFF OR SUSPEND THE COMPUTER WHILE
    THE UPDATE IS STILL IN PROGRESS THE SYSTEM BOARD MAY HAVE TO
    BE REPLACED.

 After the update has been completed the system is automatically
 turned off.

To initialize the BIOS settings:
 1. Turn off the computer.
 2. Turn on the computer.
 3. While the "To interrupt normal startup press the blue Access IBM
    button" message is displayed at the lower-left area of the screen
    press the F1 key.
    The IBM BIOS Setup Utility menu will be displayed.
    If a password prompt appears type the correct password.
 4. Press the F9 key to load the default configuration.
 5. Select Yes.
 6. Press the F10 key to save the default configuration and exit.
 7. Select Yes.

 After the initialization has been completed the system restarts
 automatically.

BIOS Information
----------------
Each version of the ThinkPad BIOS Update Utility contains the
following BIOS. Also the supported versions of Embedded Controller
Program are shown bellow. The versions of BIOS and Embedded Controller
Program can be viewed by entering IBM BIOS Setup Utility.

To enter the IBM BIOS Setup Utility:
 1. Turn off the computer.
 2. Turn on the computer.
 3. While the "To interrupt normal startup press the blue Access IBM
    button" message is displayed at the lower-left area of the screen
    press the F1 key.
    The IBM BIOS Setup Utility menu will be displayed.
    If a password prompt appears type the correct password.
 4. Check the BIOS Version and the Embedded Controller Version.
 5. Turn off the computer.

 Utility Version    BIOS Version       BIOS Date
 ----------------   ----------------   -------------------
 1.01               1.01b (1AET38WW)   2001-07-27
 1.02               1.02a (1AET40WW)   2001-08-24
 1.03               1.03b (1AET43WW)   2001-09-25
 1.04               1.04c (1AET47WW)   2001-11-16
 1.05               1.05  (1AET48WW)   2001-12-19
 1.06               1.06  (1AET49WW)   2002-01-10
 1.07               1.07  (1AET50WW)   2002-01-11
 1.08               1.08a (1AET51WW)   2002-01-17
 1.09               1.09  (1AET52WW)   2002-02-05
 1.10               1.10  (1AET53WW)   2002-03-07
 1.11               1.11  (1AET54WW)   2002-05-08
 1.12               1.12  (1AET55WW)   2002-05-23
 1.13               1.13  (1AET56WW)   2002-07-02
 1.14               1.14a (1AET58WW)   2002-09-11
 1.15               1.15  (1AET59WW)   2002-11-22
 1.16               1.16  (1AET60WW)   2003-02-06
 1.17               1.17  (1AET61WW)   2003-05-29
 1.18               1.18  (1AET62WW)   2004-07-06

Memory Information
------------------
The following information shows memory areas that are either
unavailable or that can be included with a memory manager such as
EMM386.

Reserved BIOS Area:
  C0000-CDFFF  (reserved for Video BIOS)
  DC000-DFFFF  (reserved for USB BIOS) *1
  E0000-FFFFF  (reserved for BIOS)

  *1 : This area is free when USB BIOS is disabled.

Trademarks
----------
  * IBM and ThinkPad are trademarks of IBM Corporation in the United
    States.
  * Windows and Windows NT are trademarks of Microsoft Corporation.

Other company product and service names may be registered trademarks
trademarks or service marks of others.