Very interesting (old) thread.
Can you help me adding images of desktop A1200 with PPC + Bvision used for years with no problem at all?
For few days everything could work: different is to have an efficient cooled desktop that we can consider safe for daily use.
One of mine A1200D projects with picoPSU inside:
linkI was inspired by Mfilos project:
linkAnd Phipscube:
linkIn short: Not easy, but possible.
In long: You have to have good mechanical and electrical skills, money to buy everything and some software knowledge plus pleeeeeeeenty of free time.
Otherwise result will be exactly opposite - a
LOT of frustration, time and money wasted.
Please be warned.