NDIS4 driver with Windows This is an ASCII file called NDIS.TXT in the ATI CardAssistant INFO directory. Use a text editor or a word processor with a mono-space font such as Courier to print this file if needed for reference. ************************************************************ ** ** ** Use of NDIS4 Driver with Windows 95 or Windows NT ** ** ** ************************************************************ For most environments, the NDIS3 driver is recommended and is installed by default into Windows 95 and Windows NT operating systems. The NDIS4 driver will only function on Windows 95 build 950B and greater and Windows NT 4.0 and greater. (You can check the Windows release number in the System Properties dialog box, General tab.) If the user desires features of the NDIS4 driver, it can be installed by pointing to the \NDIS4 directory on the CardAssistant floppy during installation. If the NDIS3 driver is currently installed, you can install the NDIS4 driver, found in the \NDIS4 directry on the CardAssistant diskette, over the NDIS3 driver, making sure that the NDIS4 driver is rename to at2500m.sys. In Windows 95, the NDIS3 driver is located in the system directory; in Windows NT 4.0 it is located in the system32\drivers directory. After the NDIS4 driver is copied, reboot the system.Download Driver Pack
After your driver has been downloaded, follow these simple steps to install it.
Expand the archive file (if the download file is in zip or rar format).
If the expanded file has an .exe extension, double click it and follow the installation instructions.
Otherwise, open Device Manager by right-clicking the Start menu and selecting Device Manager.
Find the device and model you want to update in the device list.
Double-click on it to open the Properties dialog box.
From the Properties dialog box, select the Driver tab.
Click the Update Driver button, then follow the instructions.
Very important: You must reboot your system to ensure that any driver updates have taken effect.
For more help, visit our Driver Support section for step-by-step videos on how to install drivers for every file type.