I think that the fact that it's a complete redesign of the logic board and CPU is the reason for the PSU replacement.
Eureka! The explanation is at the end of this article:
http://lowendmac.com/macdan/md030.shtml
| Source Forum | Macintosh IIvx and a Quadra 630! — #5 |
|---|---|
| Category | Hardware |
| Post Date | Wed, 9 May 2007 - 02:39 |
| Original URL | https://68kmla.org/bb/threads/macintosh-iivx-and-a-quadra-630.8225/ |
I think that the fact that it's a complete redesign of the logic board and CPU is the reason for the PSU replacement.