I`ve read on an "Underground" forum they are starting to supply a "256" modem which is Docsis 3 compatible..
From Underground Forum:-
"vm will be introducing the ambit 256 March/April
to take the new 50mb service
You cant ***** it the same way as the 250/255 as it wont let you **.
There is nothing on the underside of the board except the normal tracks.
It has no **** ***** to ******
so what now ?"
I`ve edited the dodgy stuff