Su-Geek... missed it! (Score 1)

They list a collection of so-called "firsts" for them and the pertinent list is below. Also, additional or upgrade CPUs being accessed via PCI or another bus is far from uncommon. 1st Gen PowerMacs can get G3's through the PDS. Others get it in the NuBUS slot!! Amiga's take it like a man in their ZORRO slots (Zorro The Gay Blade?)to get fast PowerPC CPUs. Don't see why these can't work.

Tyler

Multiprocessor CPU Boards
Quad and dual PowerPC-VME,
dual CompactPCI and
dual conduction-cooled
P0-PCI
Fast, secondary data bus
Linux
Linux running on VME &
CompactPCI PowerPC