Hi, >> They just have to fit, I don't know if rawwrite.ttp has the 1440k >> hardcoded though. > >I guess so. It's a rather simple tool :-) Never seen the source. But you should know :-) Either way there should be options to install on low memory systems already. I'll verify the procedure for Mac at least, and I can't imagine that the Atari kernel is s lot bigger than the Mac kernel. Michael