QUOTE(Heimdall @ Apr 23 2010, 11:53 PM)

If the PS2 works but the Xbox doesn't then (obviously) the problem is with the Xbox or its cables. It's unlikely to be a cache size problem, because games still work and because if the cache is empty the screen freezes and stutters, it doesn't blank.
When the signal drops out while you are playing a game, is it just the video that disappears, or is it the audio as well?
It's the video & audio together. It doesn't seem to do it when the xbox sits idle with the screen saver. I never saw it happen with the standard cables, so either these new cables are shite, or something's loopy in the xbox.
Sucks, as locating new authentic xbox cables are a losing proposition, especially in australia.