Installing Windows 95 and its device drivers - ThinkPad 240X

This document describes the installation procedures for Windows 95 and its software for your ThinkPad computer.

The following versions of Windows 95 are available for your computer:

  • Service Pack Version 0 (OSR0)
  • Service Pack Version 1 (OSR1)
  • OEM Service Release Version 2.1 (OSR2.1)

The OSR0 is an off-the-shelf version of Windows 95 and is available at any retail store. The OSR1 can be downloaded from the Microsoft Internet home page (http://www.microsoft.com). The OSR2-1 is available only as preloaded versions. Since your computer incorporates several new devices that were not available when these versions of Windows 95 were announced, take special precautions when installing or reinstalling these versions.

Your Version of Windows 95

You can check which version of Windows 95 you are using by clicking Start and moving the cursor to Settings and Control Panel, and then double-clicking System.

You can check the version in this window. Read the numbers under "System."

  • 4.00.950 means that it is Windows 95 OSR0.
  • 4.00.950a means that it is Windows 95 OSR1.
  • 4.00.950B means that it is Windows 95 OSR2 or OSR2-1.

Overall procedure

  1. Have the Windows 95 installation package in hand.
  2. Connect the external floppy disk drive. Refer to the ThinkPad 240X User's Reference.
  3. Back up your software and personal data files on the hard disk.
  4. Connect the CD-ROM. Refer to the ThinkPad 240X User's Reference.
  5. Install Windows 95 and the software.

You need to install at least the following device drivers if you are restoring your ThinkPad computer to its original state at the time of purchase:

Windows Supplemental Disk for Windows 95
Click Here
Display driver
Click Here
Audio device driver
Click Here
ThinkPad modem driver
Click Here

Installing Microsoft Windows 95

Some new devices for the ThinkPad 240X computer are not supported by the Windows 95 Retail Release Version and the Service Pack Version 1. In addition, some new files must be incorporated at the time of installation.

To use the CD-ROM drive to install Windows 95, create the Startup Disk for Windows 95, which enables you to use the CD-ROM drive. Then boot the system with the diskette.

To create the Startup Disk for Windows 95, do as follows:

  1. Insert a blank diskette into the diskette drive.
  2. Open the Control Panel window.
  3. Double-click Add/Remove Programs.
  4. Click the Startup Disk tab.
  5. Click Create Disk...
  6. Follow the instructions on the screen.

Installing Windows 95 OSR0 OSR1

  1. Make sure there is enough space in the hard disk to store the cabinet files and the installation programs (the required space might vary depending on the national language supported by your version of Windows 95).
  2. Make a temporary directory.

    For example, at the DOS prompt, type the following:
    MD C:\win95 and press Enter.

  3. Insert the Windows 95 CD-ROM into the CD-ROM drive.
  4. Copy all the cabinet (.CAB) files and the installation programs from the \WIN95 directory of the Windows 95 CD-ROM to the temporary directory.

    At the DOS prompt, type the following:

    COPY src_cd:\WIN95\*.* c:\win95 where src_cd is the drive letter of the CD-ROM drive, c is the drive letter of your hard disk drive, and WIN95 is the temporary directory that you made in step 2.

  5. Install the operating system by typing SETUP.EXE and pressing Enter at the temporary directory prompt.
  6. Refer to the Windows 95 documentation and the instructions that appear on the screen to complete the installation.
  7. To activate the PC Card slot, double-click the PC Card icon in the Control. Panel. The "PC Card Wizard" window launches. Click No twice, and reboot the computer.
    If required, install the Service Pack Version 1, available from the Microsoft Web site.
  8. Remove all the files in the temporary directory and then remove the directory itself after you complete the installation, to free up space on the hard disk drive.

Windows 95 INF Update Utility for Intel(r) Chipsets

This utility program updates several Windows 95 INF files so that the latest Intel chipset components can be recognized or configured properly in the system.

Follow these instructions to use the utility.

  1. Start Windows 95.
  2. Extract this package onto the hard drive.
  3. Click Start -> Run...
  4. Type in C:\DRIVERS\WIN\SUPP\CHIPSET\SETUP.EXE in the Open box and click OK.
  5. At the Welcome screen, read the license agreement. If you agree, click Next , then Next.
  6. Click OK to restart the system.
  7. Follow the instructions on the screen and use default settings to complete the setup when Windows 95 is restarted. Further information is available in the README.TXT file located in the C:\DRIVERS\WIN\SUPP\CHIPSET directory

Installing Windows 95 OSR2.1 or OSR2.5

If you have a CD-ROM version of the Windows 95 OSR2 or OSR2-1, do the following:
  1. Make sure there is enough space in the hard disk to store the cabinet files and the installation programs (the required space might vary depending on the language supported by your version of Windows 95).
  2. Make a temporary directory.

    For example, at the DOS prompt, type the following:
    MD C:\win95 and press Enter.

  3. Insert the Windows 95 CD-ROM into the CD-ROM drive.
  4. Copy all the cabinet (.CAB) files and the installation programs from the \WIN95 directory of the Windows 95 CD-ROM disk to the temporary directory.
  5. At the DOS prompt, type the following:

    MD COPY src_cd:\WIN95\*.* c:\win95

    where src_cd is the drive letter of the CD-ROM drive, c is the drive letter of your hard disk drive, and win95 is the temporary directory that you made in step 2.

  6. Press Enter.
  7. Install the operating system by typing SETUP.EXE and pressing Enter at the temporary directory prompt.
  8. Refer to the Windows 95 documentation and the instructions that appear on the screen to complete the installation.
    Disregard the instruction to install the USBD.SYS and UHCD.SYS files.
  9. To activate the PC Card slot, double-click the PC Card icon in the Control Panel. The "PC Card Wizard" window launches. Click No twice, and reboot the computer.
  10. Remove all the files in the temporary directory and then remove the directory itself after you complete the installation, to free up space on the hard disk drive.

Updating PCMCIA (PC Card) controller driver for Windows 95 OSR2/OSR2.1/OSR2.5

  1. Start Windows 95.
  2. Extract this package onto the hard drive.
  3. Click Start -> Programs -> MS-DOS Prompt.
  4. Enter the following commands at the MS-DOS prompt, and press the ENTER key for the each command. If prompted to overwrite, say Yes.

    COPY C:\DRIVERS\WIN\SUPP\PCMCIA\WIN9598\PCMCIA.INF C:\WINDOWS\INF\
    COPY C:\DRIVERS\WIN\SUPP\PCMCIA\WIN9598\CBSS.VXD C:\WINDOWS\SYSTEM\
    COPY C:\DRIVERS\WIN\SUPP\PCMCIA\WIN9598\PCCARD.VXD C:\WINDOWS\SYSTEM\

  5. Type in EXIT and press the ENTER key to close the MS-DOS Prompt window.
  6. Click Start -> Settings -> Control Panel.
  7. Double click the System icon, then the Device Manager tab.
  8. Remove the PCMCIA controller(s) from the devices list.
  9. Click the Refresh button. Then the system will re-detect the PCMCIA controller(s) .
  10. Ensure the detected controller is enabled.
  11. Reboot the system.

Windows 95 INF Update Utility for Intel(r) Chipsets

This utility program updates several Windows 95 INF files so that the latest Intel chipset components can be recognized or configured properly in the system.

Follow these instructions to use the utility.

  1. Start Windows 95.
  2. Extract this package onto the hard drive.
  3. Click Start -> Run...
  4. Type in C:\DRIVERS\WIN\SUPP\CHIPSET\SETUP.EXE in the Open box and click OK.
  5. At the Welcome screen, read the license agreement. If you agree, click Next , then Next.
  6. Click OK to restart the system.
  7. Follow the instructions on the screen and use default settings to complete the setup when Windows 95 is restarted. Further information is available in the README.TXT file located in the C:\DRIVERS\WIN\SUPP\CHIPSET directory

Installing ThinkPad device drivers
Installing video driver

  1. Start Windows 95.
  2. Extract this package onto the hard drive.
  3. Click Start -> Run.
  4. Type in C:\DRIVERS\W9X\DISPLAY\SETUP.EXE in the Open box and click the OK button.
  5. Follow the instructions on the screen.
  6. Restart the system for the driver to be effective.

Installing audio driver

  1. Start Windows 95.
  2. Extract this package onto the hard drive.
  3. Click Start -> Run.
  4. Type in C:\DRIVERS\W95\AUDIO\SETUP.EXE in the Open box and click the OK button.
  5. Follow the instructions on the screen.
  6. Restart the system for the driver to be effective.

Installing Modem driver

  1. Start Windows 95.
  2. If you have not already, extract this package onto the hard drive.
  3. Click Start -> Run.
  4. Type in C:\DRIVERS\WIN\MODEM\SETUP.EXE in the Open box and click Next.
  5. Follow the instructions, and restart the system.


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

Document ID : UM001603
Legacy Document ID : MIGR-4MCJF5
Last Updated :
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