PM>  JB> What is "big real mode" ? is it just protected mode without
PM>  JB> virtual memory? (I've been away from this echo for too long.)     
PM>
PM> Big real mode, aka flatmode,
PM>
PM> go into real mode (V86 won't do it)
PM> flip around with some things and remove the 64k limit
PM> wolla! Big real mode! 4 GB memory accessible in real mode.
PM>
PM> No more need for XMS and EMS handlers, you can access everything
PM> as flat memory...
So I guess 16 bit code won't run in flat mode then.... It sounds
to me like protected mode with memory management turned off.
                        
--- EzyQwk V1.20
---------------