[Info-vax] OT: IA-128 ???

P. Sture paul.nospam at sture.ch
Sun Oct 18 07:24:56 EDT 2009


In article <4ada755e$0$273$14726298 at news.sunsite.dk>,
 Arne Vajhøj <arne at vajhoej.dk> wrote:

> A VAX is 32 bit because the application use 32 bit virtual addresses.
> Physical addresses is something else.
> 
> I can not comment on PDP-11.
> 
> I seem to recal that physical addresses of later VAX'es were bigger
> than 32 bit, but 40 bit sounds too much - that would be 4 TB of RAM.

RSX-11 could address more than 16 bits to support extra RAM, but I 
forget the details.

-- 
Paul Sture



More information about the Info-vax mailing list