Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 13 Dec 2002 08:37:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 13 Dec 2002 08:37:11 -0500 Received: from darkwing.uoregon.edu ([128.223.142.13]:40591 "EHLO darkwing.uoregon.edu") by vger.kernel.org with ESMTP id ; Fri, 13 Dec 2002 08:37:10 -0500 Date: Fri, 13 Dec 2002 05:45:28 -0800 (PST) From: Joel Jaeggli X-X-Sender: joelja@twin.uoregon.edu To: =?iso-8859-1?q?Jo=E3o=20Seabra?= cc: linux-kernel@vger.kernel.org Subject: Re: Local APIC(?)+PIII mobile In-Reply-To: <200212131156.11262.seabra@aac.uc.pt> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2289 Lines: 63 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, Jo?o 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, > > Jo?o Seabra > - > 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/ > -- -------------------------------------------------------------------------- Joel Jaeggli Academic User Services joelja@darkwing.uoregon.edu -- PGP Key Fingerprint: 1DE9 8FCA 51FB 4195 B42A 9C32 A30D 121E -- In Dr. Johnson's famous dictionary patriotism is defined as the last resort of the scoundrel. With all due respect to an enlightened but inferior lexicographer I beg to submit that it is the first. -- Ambrose Bierce, "The Devil's Dictionary" - 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/