# mount -t cifs //<IP>/<FOLDER> /mnt/win/ -o dom=<DOMAIN>,user=<USER>,pass=<PASS>
# mount -t cifs //<IP>/<DRIVE>$ /mnt/win/ -o dom=<DOMAIN>,user=<USER>,pass=<PASS>
e.g.
# mount -t cifs //10.11.12.13/share/docs /mnt/win/ -o user=administrator
# mount -t cifs //10.11.12.13/c$ /mnt/win/ -o user=administrator