Did anyone here try this!
Yes, it works. The list of tested software is
here.
Did anyone attempt something similar with Prometheus?
Not gonna work. Even if you had Prometheus upgraded by Mr. Boehmer, even if you modded the Sonnet card power supply, there's still a problem of software support. No one is working on Prometheus support.
Anyone wanting to add support for Prometheus is more than welcome to join us. Knowledge of 68k and PPC assembly is required. You know where to
find us.
interesting if this works. although doesn't mention the A1200
The code supporting A1200 was written but is buggy (partly a problem with pci.library), that's the only reason for not mentioning it in README.