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SubjectRe: Local APIC(?)+PIII mobile
the intel 440mx chipset that the asus is based on doesn't include an apic. 
an apic is for doing multiprocessor interupt managemnet. across multiple
I/O subsystem each can have it own set of interupts...

On Fri, 13 Dec 2002, João Seabra wrote:

> Hi all
>
> I have an Asus S8600.
> Mobile PIII 800Mhz + 192M RAM.
> If i select "Local APIC support on uniprocessors" the kernel while booting
> says there's no APIC present.Why?
> I know the same problem with some other laptops.
> Others detect it.
>
>
> At home my Athlon Tunderbird + Asus A7V133-C with local APIC enabled detects
> it but doesn seem to use it ...
>
> cat /proc/interrupts
> CPU0
> 0: 375529 XT-PIC timer
> 1: 7452 XT-PIC keyboard
> 2: 0 XT-PIC cascade
> 5: 113246 XT-PIC bttv, eth0
> 8: 2 XT-PIC rtc
> 10: 144373 XT-PIC EMU10K1
> 11: 382444 XT-PIC nvidia
> 12: 153864 XT-PIC PS/2 Mouse
> 14: 12346 XT-PIC ide0
> 15: 12 XT-PIC ide1
> NMI: 0
> ERR: 0
>
> Anyway why do I need local APIC :) ?What are the advantages?Links?
>
> Thank you very much for your kindness
>
> Best Regards,
>
> João Seabra
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