my drive does not cache audio data as proven by the following two screenshots (one from cachex and one from feurio)

[img]http://img157.imageshack.us/img157/5642/nocachesonydvdrwdru840abt4.png[/img]
[img]http://img390.imageshack.us/img390/5470/nocachesonydvdrwdru840ayt4.png[/img]