Operating System: Windows 95 & Windows 98 (Note: might work with other versions of this os.)
"The file contains both the Windows drivers and the Flash Com program which contains the Dual-Mode V.90/K56Flex V2.310 Flash ROM code
After downloading the file, run the 56i3-2310.exe program to unzip the files to an empty folder or directory on the hard drive. (If you cannot locate the file you downloaded, use the Windows Find command to search for the 56i3-2310.exe program on your hard disk.)
Refer to the readme.txt file included in the file for installation instructions to both update the models Flash ROM and also to remove the current Windows modem driver and install the new Windows modem driver. (This file will be found in the folder you unzipped the files to in step #1)
Refer to the instructions in the users manual for more details."