l say its not the 500 psu as your said it did the same with ibm pc psu
l powered my 1200 for short while with 500 psu they much better than standred 1200 brick
l had blizzard ppc bvision 040 68k 240 mhz 63 ppc with graphics card and 3 1/2 hd
even had scsi pcmcia card running too. realistically can u afford to get another second hand
1200 mb as when first got my blizzard card whould not work with my ppc card at all
l thought got dud board then got another 1200 mb and was all good .
u chould take of the 030 card see what happens but doesint mean its the 030 board
try it with diffrent ram on the 030 board also maybe slower not 60 ns maybe 70 ns ram
are there settings u can change with your 030 card ram speed etc
