On Wed, 8 Jan 2003, Tahir Hashmi wrote:
When reset, 386 points to a default location in PROM. ( the location is FFFF0H note: for 8086 compatibility 16 bit address)
You probably meant FFF0H.
I think 0xffff0 is correct. Remember, 8086 has a 20 bit address bus (1MB addressable memory). 8088 had to multiplex 4 bits since motherboards only had a 16 bit address bus.