SYS V R4 - When will it be released for Generic 386 boxes?

[williams at cs.umass.edu]

In article <1989Nov10.180048.24410 at telly.on.ca>, evan at telly.on.ca (Evan Leibovitch) writes...
>I was at the Intel announcements. They said that there are no plans for
>any software especially for the 486. Everything for V.4 will be done in
>386 code and will treat the 486 as just a fast 386.
> 
Huh?  I thought the 486 WAS just a fast 386 with builtin
cache and fpu!  No new instructions, modes, etc.