Did R480/430 require a new tapeout?

[PeterAce]

This may be relevant for that previous question :

http://www.beyond3d.com/forum/viewtopic.php?p=236238#236238

 

[Unknown Soldier]

This may be relevant for that previous question :

http://www.beyond3d.com/forum/viewtopic.php?p=236238#236238

Thanks Josh

US