Messages in this thread | | | Date | Wed, 16 Oct 2002 19:21:43 -0400 | From | Christoph Hellwig <> | Subject | Re: mapping 36 bit physical addresses into 32 bit virtual |
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On Wed, Oct 16, 2002 at 05:20:15PM +0900, Miles Bader wrote: > jw schultz <jw@pegasys.ws> writes: > > i distinctly remember the working with the newest R400x in 1993 which > > was still 32bit. I know MIPS went to 64bit sometime not too long > > after that (mid 90's?) but by then Alpha and Sparc had beaten them to > > the punch. > > You're wrong -- the R4000 was absolutely 64-bit, and was released in > 1991. The 64-bit sparc was circa '93, and alpha I dunno, but I think > '91-'92.
The 64bit mode of the original r4k was so buggy that you couldn't use it in practice..
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