PPC:

G3 B&W

800MHz 750fx upgrade

Voodoo 5 5500

896MB RAM

20GB 7200RPM Ultra33 HD

OS 9.2

68k (system 7+):

PB 540c

33/66MHz 'LC040

36MB RAM

320MB HD

Sys 7.5.5

68k (system 2-6):

SE

4MB RAM

800k floppy

20MB HD

Sys 6.0.5 on HD, Sys 2-5 on game floppies (SimCity 1.1, Transylvania, etc)