Do all video cards running on Via chipsets need a registry hack to enable AGP 4x?

[Mears]

Or is it just some via apollo boards and some video cards? Also, I've heard that the new 10.8 detonators enable 4x without the registry hack and mess things up and causes 3dmark 2001 to hang. I tried the beta 7.52s and had a similar problem. Does anyone know if the 7.52s also enable 4x without the registry hack?