Jeff Blakeney wrote: <snip> >ProDOS disks, for some reason I've never quite figured out a >satifactory answer for, have a fixed root directory size of 4 blocks. I suspect it's related to the need for the boot program to scan the root directory, and wanting to keep things simple. -michael Check out parallel computing for 8-bit Apples on my Home page: http://members.aol.com/MJMahon/