I have installed the IBM International ISDN PC Card under Windows 98 Second Edition. When I try to shut down or restart the system, it hangs.

This is a known problem in Windows 98 Second Edition and is independent from of PC Card or other hardware device in use. Microsoft has confirmed this to be a problem with Windows 98 Second Edition. In the directory \EXTRAS\WIN98\SHUTSE on the CD you will find the official Microsoft patch for this problem in various languages. For more information, see the file 01INFO.TXT. Install this patch. If this problem still persists after you have done so, then contact Microsoft support for further assistance.

Windows NT

SystemSoft's CardWizard 5.10 for Windows NT is installed and the IBM International ISDN PC Card is still not recognized.

In order to get the IBM International ISDN PC Card to work in Windows NT 4.0 with SystemSoft's CardWizard 5.10, you must add an entry to the Windows NT

4.0Registry. This Registry patch is provided on the CD in the directory \EXTRAS\CW52NT\REG. Open this directory in the Windows NT 4.0 Explorer and double-click the file IBMISDN.REG to merge it into the Windows NT 4.0 Registry. Shut down and restart your computer. The card will then be recognized by SystemSoft's CardWizard and will function properly.

SystemSoft's CardWizard has been installed in Windows NT 4.0, and after the installation of a Windows NT 4.0 Service Pack the CardWizard does not work anymore.

In order to get the IBM International ISDN PC Card to work in Windows NT 4.0 with SystemSoft's CardWizard 5.10, you must add an entry to the Windows NT

4.0Registry. This Registry patch is provided on the CD in the directory \EXTRAS\CW52NT\REG. Open this directory in the Windows NT 4.0 Explorer and double-click the file IBMISDN.REG to merge it into the Windows NT 4.0 Registry. Shut down and restart your computer. The card will then be recognized by SystemSoft's CardWizard and will function properly.

SystemSoft's CardWizard has been installed in Windows NT 4.0, and after the installation of a Windows NT 4.0 Service Pack the CardWizard does not work anymore.

When installing a Service Pack for Windows NT 4.0 you might see the message that a different PCMCIA.SYS exists in your Windows NT 4.0 software. The Service Pack installation program might ask you whether it should replace this OEM version of the file. In this case, you should click “No”. However, if the PCMCIA.SYS from SystemSoft's CardWizard has already been replaced with the version from the Service Pack then CardWizard might no longer work. In this case, remove CardWizard, restart your system, and reinstall CardWizard.

What features are supported by CardWizard for Windows NT 4.0?

The IBM International ISDN PC Card is fully supported out of the box by SystemSoft's CardWizard 5.20 and higher for Windows NT 4.0. This means that after you have installed CardWizard 5.20 or higher, the IBM International ISDN

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IBM 19K5716 manual Appendix D. Troubleshooting and frequently asked questions