Support for the NT driver for the async-pci series has been discontinued. The driver works as of the date on the serialp.sys file. However, any new driver features that you may find in the Windows 2000 or xp drivers have not been applied to the NT driver. If you have any questions, please contact us: techsupport@commtech-fastcom.comDownload 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.