Thanks to QuiCo and 2channeler for the heads up on this.
It would seem that LiteOn has given us a nice Christmas present, with firmware for:
I wonder what happened to the 1693S.
Anyway, a big thanks to LiteOn for this.
Now who can tell me if CS0T fixes the 12x and 16x read speed bug, as I won’t have access to my 1653S drive for some time?