If you are running the initial release of Windows 95 (Windows 95 retail or OEM) you must first upgrade it to Windows 95 SP1 by downloading the corresponding Service Pack for your Windows 95 version. The Service Pack 1 can be found at:
http://microsoft.com/windows/software/localize/localize.html
If the above URL is outdated, please contact your local Microsoft support desk for further assistance.
Removing any PCMCIA support software
Some notebook computer manufacturers install PCMCIA support software such as Systemsoft's CardWizard as part of the Windows 95 package. IBM includes this program with its Thinkpad notebook computer series. This section briefly describes how to remove CardWizard from the system. This software must be removed to ensure correct operation of the IBM International ISDN PC Card.
1.Click Settings
2.
3.In the Add/Remove Programs Properties window, select SystemSoft CardWorks in the list of installed programs.
4.Click the Add/Remove button to remove CardWizard.
5. Confirm that you want this software to be completely removed.