----------------------------------------------------------------------
Software Name      ThinkPad PC-Doctor DOS #147

Supported models   ThinkPad X40
                   ThinkPad X41/X41 Tablet

Operating Systems  Not applicable

Version            2.0.1572

Issue date         December 18, 2006


----------------------------------------------------------------------
WHAT THIS PACKAGE DOES

This package provides 'PC-Doctor DOS' ThinkPad diagnostics.

This program is language independent and can be used with any language
system.


----------------------------------------------------------------------
CHANGES IN THIS RELEASE

[Important updates]
  Nothing.

[New functions or enhancements]
- CD-ROM/DVD test is changed to Optical Drive test.

[Problem fixes]
- CD-ROM/DVD test returns FAILED when some of DVD media is inserted.


----------------------------------------------------------------------
DETERMINING WHICH VERSION IS INSTALLED

 1. Run PC-Doctor DOS.
 2. Select Quit menu by keyboard or mouse.
 3. Select About.
 4. Version Number is shown.

  Note:
    This version information does not show minor version.
    For example, the version 2.0.651a shows version 2.0.651.


----------------------------------------------------------------------
Notes

  *******************************************************************
  WARNING

  THIS SOFTWARE CAN ONLY BE USED WITH THE MACHINES ON THE SUPPORTED
  MODELS ON THIS PAGE.
  USE OF THIS SOFTWARE WITH ANY OTHER MACHINE IS STRICTLY PROHIBITED.
  *******************************************************************

  PC-Doctor DOS provides some benchmark tests, for example, a test
  to indicate how much battery power remains. Results of such tests
  might differ from the specifications provided in the user's guide
  and catalog.
  The results vary depending on the testing method and the testing
  environment, and Lenovo does not guarantee these results.


----------------------------------------------------------------------
DIAGNOSTICS PROCEDURE

 1. Power off the system.
 2. Insert the 'PC-Doctor DOS #147-1' diskette into the diskette drive
    and power on the system.
 3. Follow the instructions on the screen.


----------------------------------------------------------------------
KNOWN LIMITATIONS

 - Intel Wireless Radio test may return FAILED if the security
   function is enabled in the access point.
 - In the Internal Speaker test, the lower limit of sound frequency
   is 300 Hz. If the sound frequency is less than 300 Hz, the sound
   may not be heard.


----------------------------------------------------------------------
VERSION INFORMATION

The following versions have been released to date.

[Released Versions]

  Versions    The contents
  ---------   ------------------------------------------------
  2.0.1572    11th. release for a problem fix
  2.0.1491    10th. release for a problem fix
  2.0.1381d   9th. release for a problem fix
  2.0.1381c   8th. release for a problem fix
  2.0.1381b   7th. release for a problem fix
  2.0.1381a   6th. release for support for a new model
  2.0.1381    5th. release for support for a new model and a problem 
                   fix
  2.0.1361    4th. release for support for a new Wireless LAN card
  2.0.1314    3rd. release for support for a new Wireless LAN card
  2.0.1291    2nd. release for support for new tests and a new 
                   Wireless LAN card
  2.0.1273    Initial release


[Summary of Changes]

 Where: <   >        Version
        [Important]  Important Update
        (New)        New function or enhancement
        (Fix)        Correction to existing function

<2.0.1572>
 - (New) CD-ROM/DVD test is changed to Optical Drive test.
 - (Fix) CD-ROM/DVD test returns FAILED when some of DVD media
         is inserted.

<2.0.1491>
 - (Fix) Numlock key LED does not work correctly in the Keyboard LEDs
         test if the ThinkPad Numlock mode is set to the "Independent"
         mode.

<2.0.1381d>
 - (Fix) The computer freezes when "TAIWAN" is selected in the
         Conexant Smart Modem Dialtone test.

<2.0.1381c>
 - (Fix) TouchStrip Sensor Test returns "FAILED"
         when Bluetooth power is on.

<2.0.1381b>
 - (Fix) Intel Wireless LAN MiniPCI Adapter (RoHS)
         test returns "FAILED".

<2.0.1381a>
 - (New) Support for ThinkPad X41 Tablet.
 - (New) Create "ThinkPad Devices" test category.

<2.0.1381>
 - (New) Support for ThinkPad X41.
 - (Fix) HDD Active Protection Test returns "FAILED".

<2.0.1361>
 - (New) Support for IBM 11a/b/g Wireless LAN MiniPCI Adapter II.

<2.0.1314>
 - (New) Support for Intel 11b/g Wireless LAN MiniPCI Adapter.

<2.0.1291>
 - (New) Support for IBM HDD Active Protection test.
 - (New) Support for Intel Ethernet test.
 - (New) Support for Ambit 11b/g Wireless LAN MiniPCI Adapter.

<2.0.1273>
 - (New) (Initial release) Support for ThinkPad X40.


----------------------------------------------------------------------
TRADEMARKS

* ThinkPad is a registered trademark of Lenovo.

* IBM is a registered trademark of IBM Corporation.
* Intel is a registered trademark of Intel Corporation.
* PC-Doctor is a registered trademark of PC-Doctor, Inc.

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