INF files for our Rockwell chipset 33.6 voice and non-voice faxmodems for use with Windows 95/98/ME/NT. This is a self-extracting file. Please note that voice modems (models 610, 620, 2800, 2802, 2835) also require unimodv.exe Windows 95A/95B users need to download and install unimodv.exe located elsewhere on this page. Unimodv.exe is included in Windows 95C/98/98SE. If you are using these versions of Windows 9x, you do not need unimodv.exe. Models 2800 & 2802 used in Windows 3.x (Windows 3.1 or 3.11) require portwiz1.exe located elsewhere on this page.