This modem uses the Motorola SM56 chipset. This driver is the newes and most recent driver I can find for this modem and seems to work without any problems. It was released in March of 2001 by Motorola and called "build 84.41". Download and unzip the file and read the readme.txt file. There is also a file showing what upgrades have occurred over time for this driver called "revhist.doc".
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