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SubjectRe: APIC? IO-APIC? (was Re: 2.4.xx: 8139 isn't working)
Date
dee jay (deejay2shoes@yahoo.com.au) wrote:
>
> Hi, if i may interject at this point in time, and ask something
> related, is there any reason why we should enable APIC or IO-APIC on a
> uniprocessor system? What's the difference between the 2, or what's the
> practical usage of these?
>
>
> I'm reading the Configure.help and Documentation/i386/IO-APIC.txt for
> these 2 items and i'm confused.

The APIC is integrated into the CPU, the IO-APIC is part of the chipset on
your motherbord. It enabled you to use more IRQ's and therefore you need to
share less IRQ's between devices, which gives you a slight performance
benifit.

--
Erik Hensema (erik@hensema.net)
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