I have hardly ANY docs, so if someone could point me in an appropriate direction I'd be grateful. I'm trying to boot UNIX V7 off the disk images provided with Bob Supnik's excellent PDP-11 emulator, running on my Ultra 5 under Solaris (compiled with egcs/gcc): -rwxr-xr-x 1 mrbill other 222192 Dec 18 03:45 pdp11 -rw-r--r-- 1 mrbill other 2048512 May 15 1998 unix_v7_rk.dsk -rw-r--r-- 1 mrbill other 10485760 May 27 1998 unix_v7_rl.dsk bash-2.03$ ./pdp11 PDP-11 simulator V2.3d sim> attach rl0 unix_v7_rl.dsk sim> b rl0 @ And thats as far as I get... anything just gives me back the @ prompt (ODT?). Thanks for any help. Bill -- Bill Bradford * mrbill(a)mrbill.net / http://www.mrbill.net mrbill(a)sunhelp.org / http://www.sunhelp.org