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SubjectRe: SMP kernel with single processor ?
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> similar configuration and you MUST use SMP kernel there (even when there
> are in fact just one processor unit installed). Reason ? APIC ... All external
> PCI devices on Dell PowerEdge 2300 (I almost sure for PowerEdge 1300 this is
> true as well) are using APIC-extended interrupts (Linux marks them as IRQ 20,
> IRQ 21, etc). So with UP kernel you simple will be unable to use your hardware.

That shouldnt be the case. Intel MP 1.4 specifically requires you get PIC
mode on boot by default with 16 irqs and once cpu live. Yes they wanted to
be sure you could still boot DOS on it.



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