http://bentasker.i2p/posts/blog/general/my-jetkvm-ip-kvm-is-here.html
I think though, that this is a shortcoming of the NUC (I've had problems with it before) rather than the KVM. Conclusion I'm pretty pleased with it, it's a nice little device. It should only get more useful once the addons become available. In particular, being able to plug a serial cable in should mean that it can be used with huge range of devices, whether that's connecting to a Raspberry Pi or a Solar Battery.