These are the known considerations for using your ThinkPad T23 system with Microsoft Windows 2000:

• In dc power mode only, screen saver is not supported unless screen off timer is set shorter than screen saver timer.
  
• Hot-plugging of serial mouse is not supported.
• Screen expansion for DVD playback is not supported.
• DVD playback is not supported in 1400 x 1050, 32-bit mode.