Messages in this thread | | | From | Erik Hensema <> | Subject | Re: APIC? IO-APIC? (was Re: 2.4.xx: 8139 isn't working) | Date | Tue, 19 Nov 2002 10:07:39 +0000 (UTC) |
| |
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) - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |