Re: RE : Clock is suddently ticking too fast ! [Ker

[Rusty Lynch]

> On Tue, 2002-11-26 at 20:22, Benoit GRANGE wrote:
> > Alan Said:
> > > Does this stop if you boot with "noapic"
> > I will try, but the clock frenzy happens only once every full moon...
> > it won't be easy to tell.
> > By the way, can you refer me to some nice documents explaining what is
apic ?
> > Regards,
> > Benoit Grange
>

There is also the "Multiprocessor Specification" that talks about APIC.
You can get to the document from:
http://www.intel.com/design/pentium/datashts/242016.htm

> Old IBM PC has PIC (peripheral interrupt controller) - does the 16 IRQ
> lines and attaches them to the CPU
>
> Modern PC also as APIC (advanced peripheral interrupt controller) which
> is in two parts - locsl apic is on the CPU, and talks over a link to one
> or more io-apics that attach to the devices on the bus
>
> "noapic" says to run the box like an old IBM PC
>
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