I see this machine has an ENE cardbus controller, for which problems have been reported in the RME support newsgroup @ nntp://news.x-networks.de/rme-audio
I do not know the full details of the problem, and I don't know if your particular setup is affected, but there were at least some cases reported where the ENE cardbus controllers were not able to perform bus mastering, which is essential for doing high throughput over the bus (lots of tracks). A single track should play nicely imho. Anyway, check the newsgroup, RME support is great and there are lots of posts about this subject already. This is a page I found about your particular laptop, though there is not much info on it yet: http://people.debian.org/~ccheney/arima-w720-k8.html best regards, Vincent