SMP/UP kernel S01E02

Thomas E. Spanjaard tgen at
Mon Mar 26 10:52:08 PDT 2007

Matthew Dillon wrote:
    Only newer cpus have APICs and IOAPICs regardless of whether they
    are SMP-capable or not.  Older ones do not.
Afaik, at least any CPU since the Pentium has a LAPIC; and perhaps some 
late 486 models as well; as for IOAPICs, that's a feature of mainboard 

        Thomas E. Spanjaard
        tgen at
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