> 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
That's interesting, I thought when the first APIC came out it was the one
on the CPU as stood for "Attached Processor Interrupt Controller" to
replace the 8259. Acronym overload?
> "noapic" says to run the box like an old IBM PC
-- bill davidsen <davidsen@tmr.com> CTO, TMR Associates, Inc Doing interesting things with little computers since 1979.- 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/