> On Jul 24, 2016, at 11:06 AM, william degnan <billdeg...@gmail.com> wrote: > >> ... >> Attempts to boot from RT11SJ.SYS under V04.00 of RT-11 with 24K >> bytes of memory were successful. Attempts to boot with 16K bytes of >> memory were also successful. An RK05 was used as the disk drive. The >> error message "Insufficient memory" is displayed, but some useful work >> might be done with just 16K bytes of memory. However, you did not >> ask if useful work being done was one of the criteria?
FWIW, I used to run RT11SJ on an 11/20 with 8 kW (16 kB) of memory and RC11 system disk, in college. That fit with no trouble, enough room to run RT BASIC and a reasonably application program. paul