Tried later drivers?
http://www.modemsite.com/56k/premiumc.asp
"WhiteAce" <(E-Mail Removed)> wrote in message
news:9afa01c405c2$46673620$(E-Mail Removed)...
> I gave a modem to a friend of mine which he could not
> install, so I did it for him. It is a Mototrola SM 56.
> Now when (re)booting, at startup I get a message: Cannot
> register with SM56 driver, press ok to exit.
> If I want to connect thrue this modem to the internet, the
> system reboots immediately!
> My brother is MCSE- certified but is unfamiliar with this
> problem. Please help...?
>
> Arthur
> .
>
>