Alpha CPUs, was Re: [rescue] i860 Success

Phil Stracchino alaric at caerllewys.net
Mon May 3 19:50:23 CDT 2004


On Mon, May 03, 2004 at 08:09:44PM -0400, Nathan Raymond wrote:
> On Mon, 3 May 2004, Phil Stracchino wrote:
> > (However, I don't personally know whether the 68000 supported virtual
> > memory.)
> 
> http://www.informationheadquarters.com/Apple_Macintosh/Motorola_68000.shtml
> 
> "The 68000 was also unable to correctly return from an exception on a
> failing memory access, a crucial feature to enable true virtual memory.
....
> "In the next major revision, the 68010, most of these problems were
> fixed."

That coincides with my recollection that the first CPU Apple shipped
with virtual-memory capability was the 68020.


-- 
 .*********  Fight Back!  It may not be just YOUR life at risk.  *********.
 : phil stracchino : unix ronin : renaissance man : mystic zen biker geek :
 :  alaric at caerllewys.net|phil-stracchino at earthlink.net|phil at novylen.net  :
 :   2000 CBR929RR, 1991 VFR750F3 (foully murdered), 1986 VF500F (sold)   :
 :    Linux Now!   ...Because friends don't let friends use Microsoft.    :



More information about the rescue mailing list