Lenovo ThinkPad 390X User's Reference for ThinkPad 390 - Page 125
PC Card Problems, Refer to Resolving System Resource Conflicts in the Online User's Guide. - network driver
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Troubleshooting Charts Problem The internal modem does not work when you start your computer from an operating system other than Windows 98 or Windows 95. Action The operating system might be sharing the same IRQ levels as your modem. The ThinkPad modem software might not work under these conditions. You must cancel the IRQ shared condition to use the modem. To cancel the IRQ shared condition Online User's Guide PC Card Problems Problem The PC Card shows "Ready", but it does not work correctly. A system resource conflict occurred when a PC Card was used. The system cannot start from the PC Card. You cannot use PC Cards other than IBM ones in the OS/2 Warp environment. Action Make sure that: The system resources reserved for the PC Card do not conflict with other system devices. Refer to "Resolving System Resource Conflicts" in the Online User's Guide. The resources reserved for the PC Card match the settings in the application program. If you are using a network card, check the I/O port address, IRQ level, and memory window address. See "Resolving System Resource Conflicts" in the Online User's Guide. Make sure that the correct system resources are being used for the PC Card. If you do not have the PC Card device driver for OS/2 but you have one for DOS, your PC Card may run in the VDM (Virtual DOS machine) environment. Refer to the "Virtual Card Services" section in the Online User's Guide for setting the VDM and the sample configuration files on the PCMCIA Installation Diskette for OS/2. If the PCMCIA Installation Diskette for OS/2 did not come with the computer, create it using the Diskette Factory program. Refer to "Using the Diskette Factory" on page 118. Chapter 4. Solving Computer Problems 109