a quicksilver cpu will work on a sawtooth board. from the sawtooth through to the quicksilver the same connection (forget waht its called) was used. this is re-enforced by the fact that all the cpu upgrades for these G4 models work in all 4 of the revisions.
Mac mini C2D 1.83GHz - 2GB RAM - 200GB 7200rpm HD
Sawtooth w/G4 1GHz - 1GB RAM - SIIG SATA w/2x1TB HD
B&W w/G4 600MHz - 1GB RAM - 2x80GB HD
Sawtooth G4 400MHz - 512MB RAM - 40GB HD
Dell Ultrasharp 2007WFP 20" Widescreen LCD
2.94TB Total Storage