This post probably could have gone into Compact Macs or Peripherals, but programming EPROMs seems more hacky. I have a lovely Radius SE Accelerator (16MHz 68020 and 68881) in my SE FDHD and it's got ROM v 1.8 with a date of 1987. It works mostly okay, but I suspect the Radius ROM isn't totally compatible with System 6 or the SE FDHD's ROM. So far, any version of the Radius software I've tried fails. Older software seems to balk at System 6 and refuse to run, newer software tends to just crash spectacularly on load. Does anybody have or know where I can find the 3.0 ROM dumps for this card?