The "driver" the Kenwood uses is just "standard" stuff from your os cd.
The latest "firmware" I have is 226g (I think).
www.kenwoodtech.com is where you need to go for any updates. Their web
site has been down for several days that I know of. I just got a reply
from them on this and they said .......................................
" We are fixing our WEB-site now, and it should be up by 1/6.
regards, "
KTI