memory management:

Why we wrote PC utilities to port UNIX with - the advantage of working from a primitive OS that runs on the absolute machine.

This, the first article, is the first published mention of 386BSD. By this time, the project had been operational for 18 months, and William Jolitz was at Berkeley working on the Net/2 release.
In this installment, we discussed the beginning of our project and the initial framework that guided our efforts, in particular, the development of the 386BSD specification.

386BSD started out in 1989 with a derivative virtual memory system from the VAX by way of a 68030. In February/March 1991, it was cutover to a totally different one cut out of CMU's MACH system, and released with Net/2.

Support the processor, and support the ISA bus peripherals are the objectives for the first parts of 386BSD.

Catching potentially restartable 386 processor faults with 386BSD.