National Instruments PCMCIA-232 Getting Started

Also see for PCMCIA Series: Getting started

Contents

National Instruments PCMCIA-232 Getting Started Manual pdf 49 page image

Appendix D Troubleshooting and Common Questions©National Instruments CorporationD-3PCMCIA Serial for Windows 95• If the utility reports fewer ports installed than it should, refer toChapter 2, Installation and Verification, and follow thesetroubleshooting steps:1. Verify the hardware resources.2. Verify that the National Instruments serial driver is installed andnot the native Windows 95 serial driver.3. Check the hardware installation to make sure the correct numberof boards/ports are installed.• If the I/O address test failed, Interrupt test cannotbe performed error message appears, verify the hardware resourcesas described in Chapter 2, Installation and Verification. If the test stillfails, you probably have an I/O address conflict with legacy boards.Refer to the next section, Resolving Resource Conflicts with LegacyBoards.• If the Interrupt test failed error message appears, verify thehardware resources as described in Chapter 2, Installation andVerification. If the test still fails, you probably have an interrupt levelconflict with legacy boards. Refer to the next section, ResolvingResource Conflicts with Legacy Boards.Resolving Resource Conflicts with Legacy BoardsResource conflicts typically occur when your system contains legacyboards that use resources that have not been reserved properly with theDevice Manager. If a resource conflict exists, write down the resource thatcaused the conflict and refer to the Microsoft Windows 95 User’s Guide forinstructions on how to use the Device Manager to reserve I/O, IRQ, andDMA resources for legacy boards.Common QuestionsHow can I determine which type of serial hardware I have installed?1. Select Start»Settings»Control Panel.2. Double-click on the System icon.3. Select the Device Manager tab, and click the View devices by typebutton at the top of the page.4. Double-click the Ports (COM & LPT) icon. A list of installed portsappears.