Intel SpeedStep Technology Applet for Windows 95/NT - ThinkPad A3*, T23, X22, X23, X24
NameOperating SystemVersionReleasedAdd to
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version 1.30a - Intel SpeedStep Technology Applet for Windows 95/NT 4.0 [PFTW]
1.39 MB
1.30a 21 Dec 2001
README for version 1.30a - Intel SpeedStep Technology Applet for Windows 95/NT 4.0
3.19 KB
1.30a 21 Dec 2001
This package provides Intel(R) SpeedStep(TM) Technology Applet. SpeedStep is a mobile technology that allows an enabled CPU to operate in multiple performance states under Microsoft Windows 95 and Microsoft Windows NT.

This package enables or updates the applet programs of the following ThinkPad computers:

- ThinkPad A30/A30p with SpeedStep
- ThinkPad T23 with SpeedStep
- ThinkPad X22, X23, X24 with SpeedStep
Additional information
This Additional Information field contains the following sections:
I. Summary of changes
II. Installation instructions
III. Uninstall instructions
IV. Determining which version is installed
I. Summary of changes
Version 1.30a
- (New) Initial release
II. Installation instructions
NOTE: Before installing this applet, any previous version must be uninstalled from Add/Remove programs.
  1. Start Windows, if using Windows NT, logon with administrative privileges.
  2. Extract the package to the hard disk drive.
  3. Click Start, then click Run.
  4. Specify SETUP.EXE with the full path name where you extracted the package in step 2, and click OK.
  5. Follow the instructions on the screen.

III. Uninstall instructions  

  1. Start Windows.
  2. Click Start, point to Settings, then click Control Panel.
  3. Double-click the Add/Remove Programs icon.
  4. Click Install/Uninstall (or Change/Remove programs ) tab.
  5. Click Intel Speed Step technology Applet in the list.
  6. Click the Add/Remove (or Change/Remove ) button.
  7. Follow instructions and restart Windows.
IV. Determining which version is installed
Check the date stamp of the PRPCUI.DLL file in following directory:
Windows 95: C:\Windows\System
Windows NT: C:\Windows\System32
NOTE: C:\Windows drive/directory may vary.

FilenameDate/time of fileVersion
PRPCUI.DLL11/19/1999 9:09a1.00
01/06/2000 8:00a1.10
10/10/2000 10:00a1.30a

If you are unable to find what you are looking for, please do try the following options:
1. Lenovo Assisted Search
2. Product usage and general troubleshooting tips
3. Lenovo Support Forum
4. Technical Support Call Centre

Country Availability
Document ID : DS003321
Legacy Document ID : MIGR-4ZDMCT
Last Updated : 04 Feb 2013
Copyright © Lenovo 2013, all rights reserved
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