Model: SurfBoard Cable Modem SB 4100
Operating System: Windows 98 (Note: might work with other versions of this os.)
Before downloading: Run Free Scan for Instant Driver Updates
Motorola SurfBoard Cable Modem SB 4100 Driver. You have to go System Prop., then updated USB driver. Use this driver, after that, the instalation needs the windows 98.
Maybe you have to try again, if you no understand that I said.