The original Mac II cames with 68020 processor that doesn´t have internal MMU and use an external chip (68851) for this task.
The other Mac II models cames with 68030 processor that have internal (and more efficient) MMU. In all Mac II models, needed a FPU chip (that cames internal in 68040 processor used in Quadras). >> Some Mac II was delivered with A/UX, but with the same ROM, I know. > > They also had the MMU chip installed, which A/UX (and almost all [but > not all]] unix need. In the plain Mac II, there was a smaller kluge > chip mounted in a plug board to go in that socket. I think that it > did provide some limited page management, but it's been a long time . -- Emerson W.S.Moura -- ----- You received this message because you are a member of the Vintage Macs group. The list FAQ is at http://lowendmac.com/lists/vintagemacs.shtml and our netiquette guide is at http://www.lowendmac.com/lists/netiquette.shtml To post to this group, send email to [email protected] To leave this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/vintage-macs Support for older Macs: http://lowendmac.com/services/
