im realy close to get linux runing on my PB, but something made the mac to just shutdown when in linux i get the Prompt.. i tried a lot of files, loaders, and kernels..
That are some screenshots of my penguin booter configuration
The mac68k section of the NetBSD site doesn't get updated much. Soft-float builds of NetBSD have existed for awhile now. It will be slower, but you can run on an LC040.
One of the good tricks with NetBSD is it's ability to run as a netboot.
I've run both an old Sun350 using bootp and a 386 using PXE in a netboot configuration so you can get round the chicken and egg problem of getting a machine working.