> On Aug 6, 2015, at 9:47 AM, William Donzelli <wdonze...@gmail.com> wrote: > >> To report higher sales of OS2/Warp? ;) >> >> Not the only one though, ISTR the 11/780 used a 11/03 to boot? > > Quite a lots of larger machines do.
A lot of machines have I/O processors of some sort, and often those boot first.
You can go back to the CDC 6600 and the Electrologica EL-X8 in the early
1960s, perhaps further. Cray, ILLIAC IV, KL-10, ... lots of other examples.
paul
