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This Additional Information field contains the following sections
I. Summary of changes
II. Diagnostics procedure
III. Determining which version is installed

I. Summary of Changes
Version 2.0.1110

• (New) Support for ThinkPad R31

Version 2.0.1154

• (Fix) Improve the test speed of "Full Erase Hard Drive" option.

Version 2.0.1154a

• (Fix) In the Keyboard Interactive Test, the suitable Keyboard layout does not appear.
• (Fix) PCMCIA External Loop test returns 'FAILED'.
• (New) Change to one diskette configuration.

II. Diagnostics procedure

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

NOTE: 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.

III. Determining which version is installed

1. Run PC-Doctor DOS.
2. Select Quit by keyboard or mouse.
3. Select About.
4. The version will appear.