The 286 is a 16-bit CPU so there would have been various memory limits. http://www.os2museum.com/wp/?page_id=313 has some details on what it can do, but not much mention of limits...
The 286 is a 16-bit CPU so there would have been various memory limits. http://www.os2museum.com/wp/?page_id=313 has some details on what it can do, but not much mention of limits...